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1Formula dan kaedah
Kawalan jangkitan & keselamatan pesakit
Kaedah
Mulakan dengan langkah berjaga-jaga standard untuk setiap pesakit: kebersihan tangan, PPE untuk pendedahan yang dijangka, benda tajam yang selamat.
Tambah langkah berjaga-jaga mengikut laluan: sentuhan (gaun, sarung tangan), titisan (pelitup muka pembedahan), bawaan udara (N95, bilik tekanan negatif).
Pastikan item steril kekal steril: jika ragu-ragu, ia tidak steril; gantikan, jangan sekali-kali dilap.
Cegah bahaya dalam persekitaran: langkah pencegahan jatuh, sekatan hanya sebagai pilihan terakhir, RACE dan PASS untuk kebakaran.
Semak hak pemberian ubat, dua pengenalpastian dan perlindungan tambahan untuk ubat berisiko tinggi; laporkan kesilapan dan hampir-hampir terlepas.
Pemberian keutamaan & delegasi
Kaedah
Tanya apa yang akan membahayakan pesakit paling cepat jika tiada apa-apa dilakukan.
Gunakan ABC (C-A-B dalam henti jantung), kemudian Maslow: keperluan fisiologi sebelum keselamatan, keselamatan sebelum keperluan psikologi.
Bandingkan pilihan: akut sebelum kronik, tidak stabil sebelum stabil, tidak dijangka sebelum dijangka, sistemik sebelum setempat, dan semak setiap penemuan dengan garis dasar pesakit.
Nilai sebelum bertindak kecuali dalam kecemasan; kemudian pilih langkah yang menjadi tempat bergantung langkah-langkah lain.
Untuk delegasi, semak lima hak: tugas, keadaan, orang, arahan dan penyeliaan. Penilaian, pengajaran dan penilaian semula kekal pada RN.
Nilai makmal & elektrolit
Kaedah
Bandingkan nilai dengan julat rujukan makmal itu sendiri, kemudian dengan garis dasar dan arah aliran pesakit.
Semak sampel: hemolisis, kelewatan, atau darah yang diambil berhampiran IV boleh memberikan keputusan palsu.
Kaitkan nilai dengan tanda lazimnya dan dengan ubat serta keadaan yang menyebabkannya.
Cari interaksi: kalium atau magnesium yang rendah meningkatkan ketoksikan digoksin; dehidrasi menaikkan litium.
Bertindak untuk pesakit: nilai, tahan ubat jika paras tidak selamat, baca balik nilai kritikal dan maklumkan pemberi preskripsi.
Namakan masalah itu: kegagalan pam, arteri tersumbat, rentak, bekuan, penyempitan saluran udara, jangkitan atau masalah peranti.
Semak tanda bahaya dahulu: hipoksia, hipotensi, sakit dada, kekeliruan baharu, anggota sejuk tanpa nadi.
Padankan oksigen dengan pesakit: 94–98% untuk kebanyakan, 88–92% untuk mereka yang berisiko menahan CO₂.
Kaitkan setiap ubat dengan ujian dan risikonya: warfarin dan INR, heparin dan aPTT serta platelet, diuretik dan kalium.
Pilih tindakan pertama yang selamat, kemudian eskalasikan dan nilai semula.
Perubatan-pembedahan: neurologi, endokrin & renal
Kaedah
Semak glukosa pada setiap pesakit dengan kekeliruan baharu, kelemahan atau sawan.
Gunakan tahap kesedaran sebagai amaran paling awal masalah otak; pupil dan triad Cushing muncul lewat.
Untuk kecemasan diabetes, bezakan DKA (keton, asidosis) daripada HHS (osmolaliti yang sangat tinggi, dehidrasi); berikan cecair dahulu.
Untuk natrium dan air, tentukan sama ada ADH berlebihan (SIADH) atau tiada (DI), dan betulkan perubahan kronik secara perlahan.
Untuk masalah buah pinggang, asingkan puncanya kepada pra-renal, intrinsik atau pasca-renal, dan pantau kalium dan cecair.
Perubatan-pembedahan: GI, perioperatif & onkologi
Kaedah
Tanya apa yang mungkin tersembunyi: pendarahan dalaman, jangkitan tanpa demam, hipoventilasi di sebalik SpO₂ yang normal.
Gunakan masa selepas pembedahan untuk mengecilkan komplikasi: pendarahan dalam beberapa jam, masalah dada dalam beberapa hari, masalah luka dan kebocoran kemudian.
Untuk kesakitan, nilai, rawat dengan analgesia multimodal, nilai semula, dan pantau sedasi dengan setiap opioid.
Untuk pesakit kanser, anggap sebarang penyakit semasa nadir sebagai sepsis neutropenik dan ketahui kecemasan onkologi.
Untuk luka bakar, kira hanya kawasan ketebalan separa dan penuh, mulakan jam Parkland pada masa terbakar dan laraskan mengikut keluaran air kencing.
Kejururawatan materniti & obstetrik
Kaedah
Letakkan wanita itu dalam masanya: minggu kehamilan, peringkat kelahiran atau hari selepas bersalin, dan tentukan apa yang normal pada ketika itu.
Cari pesakit yang berada dalam bahaya: ibu, janin atau bayi baru lahir, atau lebih daripada seorang daripada mereka.
Kaitkan penemuan dengan puncanya: VEAL CHOP untuk deselerasi, empat T untuk pendarahan, BUBBLE-HE selepas bersalin.
Pilih tindakan yang memperbaik aliran darah dan oksigen dahulu (berbaring mengiring, menghentikan oksitosin, urutan fundus), kemudian eskalasikan.
Kejururawatan pediatrik
Kaedah
Catat umur kanak-kanak dahulu: umur menetapkan tanda vital normal, pencapaian perkembangan dan skala kesakitan yang betul.
Nilai saluran udara, pernafasan dan peredaran, dengan mengingati bahawa kanak-kanak mampu menampung kemudian merosot dengan pantas.
Padankan tindakan dengan peringkat perkembangan dan libatkan keluarga.
Semak bahawa jawapan itu selamat untuk kanak-kanak: berdasarkan berat badan, tiada aspirin dalam penyakit virus, tiada kodein di bawah umur 12 tahun.
Kejururawatan kesihatan mental
Kaedah
Tentukan sama ada terdapat risiko segera: bunuh diri, keganasan, kecemasan akibat ubat atau penyakit fizikal.
Bertindak untuk keselamatan dahulu: perhatikan, alihkan alat yang boleh digunakan, redakan ketegangan, hentikan ubat yang berbahaya, dapatkan bantuan.
Which drugs are used as antidotes for nerve agent poisoning?
AAtropine and pralidoxime
BNaloxone and flumazenil
CVitamin K and protamine
DAcetylcysteine and charcoal
4.Kawalan jangkitan & keselamatan pesakitSukar
An 84-year-old resident with an indwelling catheter suddenly becomes confused but has no fever. What should the nurse consider?
AThe confusion is part of normal aging at this age and needs no further action
BAn infection may present as confusion in older adults, so assess further and report
CA sedative is needed to keep the resident calm
DInfection can be ruled out because there is no fever
5.Pemberian keutamaan & delegasiSederhana
A patient taking clozapine reports a sore throat and fever. What is the priority action?
AOffer throat lozenges and continue the usual dose
BIncrease the dose because the symptoms suggest a relapse
CAdvise the patient to gargle with warm salt water and rest in bed
DHold the dose and report so the white cell count can be checked
6.Pemberian keutamaan & delegasiSukar
An adult has burns over 40% of the body with no signs of airway injury. Which treatment is the priority during the first hours?
AGiving a high-protein meal to support healing
BStarting physiotherapy to prevent contractures straight away
CApplying antibiotic cream to all the burns before anything else
DLarge-volume IV fluids with close monitoring of urine output
7.Kejururawatan klinikalSederhana
Which statement about storing insulin is correct?
AInsulin never expires once opened
BUnopened insulin is kept in the fridge and must not be frozen
CAll insulin should be stored in the freezer to keep it fresh
DInsulin should be kept in direct sunlight
8.Kejururawatan klinikalSukar
A patient who has had a kidney stone is taught about prevention. Which statement shows a need for further teaching?
A"I will follow the diet advice for my stone type."
B"I will try to pass pale urine."
C"I will drink less water so I don't need to pass urine as often."
D"I will aim to drink plenty of fluids spread through every day."
9.Nilai makmal & elektrolitSederhana
A patient takes high-dose biotin supplements for hair and nails. Why should the nurse report this before blood tests?
ABiotin makes the blood clot in the tube before testing
BBiotin causes a true rise in blood glucose in all patients
CBiotin can distort some immunoassays, such as troponin or TSH
DBiotin lowers the hemoglobin by destroying the red cells
10.Nilai makmal & elektrolitSukar
A patient has a hematocrit of 60% and a raised red cell mass. Which result suggests polycythemia vera rather than secondary polycythemia from chronic hypoxia?
AA high carboxyhemoglobin
BA low erythropoietin level
CA low oxygen saturation
DA high erythropoietin level
11.FarmakologiSederhana
A nurse has a needlestick injury from a patient with HIV. When should post-exposure prophylaxis start?
AOnly after the nurse's HIV test turns positive
BOnly if the patient's viral load is above a set level
CAs soon as possible, and within 72 hours at the latest
DAfter one week, when the risk of infection is clearer
12.FarmakologiSukar
A breastfeeding mother needs a mild analgesic. Which drug is generally considered compatible with breastfeeding?
Satu jam selepas pembedahan jantung, saluran dada mediastinum telah mengalirkan 350 mL darah merah terang dan kadar jantung meningkat. Apakah yang patut dilakukan oleh jururawat?
AMengurut tiub dengan kuat setiap lima minit
BMengapit saluran untuk menghentikan kehilangan darah selanjutnya
CMerekodkan isi padu dan meneruskan semakan setiap jam
DMelaporkannya kepada pasukan pembedahan serta-merta
Which group of signs suggests that a patient is entering the last days of life?
AHigh blood pressure and very fast weight gain
BRising appetite, more energy and normal skin colour and warmth
CReduced intake, mottled skin and changes in breathing
DClearer thinking and increased movement
19.Kejururawatan materniti & obstetrikSederhana
Why is it important to do newborn bloodspot screening at the recommended time rather than in the first hours?
AThe baby's blood cannot be sampled before day 3
BThe heel cannot be pricked until the cord falls off
CSome results, such as PKU, need milk feeds first
DEarlier testing always gives false negatives for all conditions
20.Kejururawatan materniti & obstetrikSukar
A woman with a placenta praevia at 35 weeks is waiting for a planned caesarean. Which activity should she avoid?
ALying on her side
BEating a normal diet
CSexual intercourse
DGentle walking
21.Kejururawatan pediatrikSederhana
Using the 100–50–20 rule, what is the daily maintenance fluid requirement for a 15 kg child?
A1500 mL per day
B1000 mL per day
C1250 mL per day
D750 mL per day
22.Kejururawatan pediatrikSukar
After hypospadias repair, a toddler has a urinary catheter. Which nursing action has priority?
AClamp the catheter for a few hours to train the bladder
BRemove the dressing on the first day to check the wound
CKeep the catheter draining freely and check for kinks or blockage
DLimit fluids for the first days so that less urine passes over the repair
23.Kejururawatan kesihatan mentalSederhana
A patient shouts at the nurse, "You're useless! You never help me!" Which response is most therapeutic?
A"You sound very angry. Tell me what has happened."
B"If you speak to me like that, I'm leaving."
C"That's not true. I've helped you all day."
D"You shouldn't talk to people like that."
24.Kejururawatan kesihatan mentalSukar
A patient who used methamphetamine heavily for weeks stopped 2 days ago. He sleeps most of the day, is very low and says life is pointless. What is the priority?
AWake him often so that his sleep pattern returns to normal
BAssess his suicide risk
CEncourage him to exercise hard to raise his energy
Latihan (nilai rekaan, bukan panduan klinikal). Satu pengiraan dos untuk suntikan memberikan 11.2254 mL. Peraturan dalam latihan ini ialah isi padu 1 mL atau lebih dibundarkan kepada persepuluh mL yang terdekat. Apakah nilai x yang anda rekodkan?
11.2254 mL
x = mL
26.Matematik kejururawatan & penukaran unitSukar
Latihan (nilai rekaan, bukan panduan klinikal). Semasa satu syif, seorang pesakit mengambil 6 fl oz daripada jus, ¼ cawan daripada teh, 3 tsp daripada sirap batuk, ½ tbsp daripada suplemen cecair. Dengan menggunakan setara yang diberikan, cari jumlah pengambilan oral V dalam mL.
1 fl oz = 30 mL1 cawan = 8 fl oz = 240 mL1 tsp = 5 mL1 tbsp = 15 mL
V = mL
27.Pengiraan dosSederhana
Seorang pesakit seberat 41 kg mempunyai luas permukaan badan 1.22 m². Preskripsi ialah 50 mg/m². Cari dos D dalam mg.
41 kgBSA = 1.22 m²50 mg/m²
D = mg
28.Pengiraan dosSukar
Seorang kanak-kanak berberat 12 kg dipreskripsi 12.5 mg/kg setiap dos suspensi oral yang mengandungi 125 mg dalam 5 mL. Berapakah isi padu V yang anda berikan?
12 kg12.5 mg/kg125 mg/5 mL
V = mL
29.Kadar infusi IVSederhana
1500 mL diarahkan selama 8 jam. Selepas 4 jam anda mendapati 860 mL masih ada dalam beg, dan arahan itu mesti masih siap tepat pada masanya. Kepada kadar R dalam mL/j berapakah pam mesti ditetapkan semula?
1500 mL / 8 hselepas 4 h: 860 mL
R = mL/h
30.Kadar infusi IVSukar
1500 mL diarahkan selama 12 jam. Selepas 8 jam anda mendapati 540 mL masih ada dalam beg, dan arahan itu mesti masih siap tepat pada masanya. Berapa peratus Δ kadar pam asal mesti dinaikkan?
1500 mL / 12 hselepas 8 h: 540 mL
Δ = %
31.Cecair IV & imbangan cecairSederhana
Latihan (nilai rekaan, bukan panduan klinikal). Rekod menunjukkan pengambilan dan pengeluaran seorang pesakit untuk satu syif 8 jam. Infusi IV berjalan pada kadar yang ditunjukkan sepanjang syif. Cari jumlah pengambilan I dalam mL. Kira ketulan ais sebagai separuh isi padunya.
Latihan (nilai rekaan, bukan panduan klinikal). Satu beg 1000 mL berjalan dengan pam pada 60 mL/j. Pada 07:30, 350 mL telah diinfuskan. Berapa jam t sehingga beg kosong? Bundarkan kepada satu tempat perpuluhan.
1000 mL350 mL diinfuskan60 mL/h
t = h
33.Skor penilaian klinikalSederhana
Latihan (nilai rekaan, bukan panduan klinikal). Gunakan carta NEWS2 (SpO₂ skala 1) untuk pemerhatian ini: kadar pernafasan 25/min, SpO₂ 95% dengan oksigen tambahan, tekanan darah 88/52 mmHg, nadi 82/min, tidak bertindak balas, suhu 37.2 °C. Apakah jumlah skor NEWS2?
RR 25SpO₂ 95%O₂SBP 88HR 82UT 37.2 °C
NEWS2 =
34.Skor penilaian klinikalSukar
Latihan (nilai rekaan, bukan panduan klinikal). Pasukan menyasarkan tekanan arteri purata sekurang-kurangnya 60 mmHg. Tekanan sistolik pesakit ialah 108 mmHg. Dengan menggunakan MAP = (SBP + 2·DBP)/3, apakah tekanan diastolik terendah DBP yang masih memberikan MAP 60 mmHg?
MAP 60 mmHgSBP 108 mmHg
DBP = mmHg
3Larutan
1.Asas kejururawatan
Jawapan: C · Pass the first part into the toilet, then catch the middle part in the pot
Mengapa ini jawapannya
After cleaning, the first stream flushes bacteria from the urethra, so the midstream part is collected in a sterile container. This reduces contamination.
Jawapan
C · Pass the first part into the toilet, then catch the middle part in the pot
2.Asas kejururawatan
Jawapan: B · Removing the catheter as soon as it is no longer needed
Mengapa ini jawapannya
The infection risk grows with each day of catheterisation, so the most effective step is avoiding unnecessary catheters and removing them early. Routine bladder washouts and frequent bag changes break the closed system and add risk.
Jawapan
B · Removing the catheter as soon as it is no longer needed
3.Kawalan jangkitan & keselamatan pesakit
Jawapan: A · Atropine and pralidoxime
Mengapa ini jawapannya
Nerve agents inhibit acetylcholinesterase, causing excess acetylcholine. Atropine blocks muscarinic effects such as secretions and bradycardia, and pralidoxime helps to reactivate the enzyme.
Jawapan
A · Atropine and pralidoxime
4.Kawalan jangkitan & keselamatan pesakit
Jawapan: B · An infection may present as confusion in older adults, so assess further and report
Mengapa ini jawapannya
In older adults, infections such as urinary tract infection may present with new confusion, falls or reduced appetite rather than fever. Sudden confusion is assessed and reported, not dismissed as aging.
Jawapan
B · An infection may present as confusion in older adults, so assess further and report
5.Pemberian keutamaan & delegasi
Jawapan: D · Hold the dose and report so the white cell count can be checked
Mengapa ini jawapannya
Clozapine can cause agranulocytosis. A sore throat or fever may be the first sign of infection, so the nurse reports it and the neutrophil count is checked before more doses are given.
Jawapan
D · Hold the dose and report so the white cell count can be checked
6.Pemberian keutamaan & delegasi
Jawapan: D · Large-volume IV fluids with close monitoring of urine output
Mengapa ini jawapannya
Once the airway is secure, the early priority in major burns is fluid resuscitation to prevent burn shock. Urine output is a key guide to whether enough fluid is being given.
Jawapan
D · Large-volume IV fluids with close monitoring of urine output
7.Kejururawatan klinikal
Jawapan: B · Unopened insulin is kept in the fridge and must not be frozen
Mengapa ini jawapannya
Unopened insulin is refrigerated; in-use pens or vials are usually kept at room temperature for a limited time stated by the manufacturer. Frozen or overheated insulin must be discarded.
Jawapan
B · Unopened insulin is kept in the fridge and must not be frozen
8.Kejururawatan klinikal
Jawapan: C · "I will drink less water so I don't need to pass urine as often."
Mengapa ini jawapannya
A high fluid intake dilutes urine and is the most important general measure to prevent stones. Dietary advice depends on the stone's composition.
Jawapan
C · "I will drink less water so I don't need to pass urine as often."
9.Nilai makmal & elektrolit
Jawapan: C · Biotin can distort some immunoassays, such as troponin or TSH
Mengapa ini jawapannya
Many immunoassays use biotin-streptavidin binding, and high blood biotin levels can give falsely high or low results, for example a falsely low troponin or abnormal thyroid tests. The laboratory and prescriber should know about biotin use.Disemak dengan:Troponin Test · MedlinePlus (NIH) (2023); Biotin Interference with Troponin Lab Tests - Assays Subject to Biotin Interference · U.S. FDA (2022)
Jawapan
C · Biotin can distort some immunoassays, such as troponin or TSH
10.Nilai makmal & elektrolit
Jawapan: B · A low erythropoietin level
Mengapa ini jawapannya
In polycythemia vera, a marrow mutation (usually JAK2) drives red cell production, so erythropoietin is low. In secondary polycythemia from hypoxia (COPD, high altitude, smoking), erythropoietin is high. Often white cells and platelets are also raised in polycythemia vera.Disemak dengan:Erythropoietin test · MedlinePlus (NIH) (2025); Polycythemia vera · MedlinePlus (NIH) (2025)
Jawapan
B · A low erythropoietin level
11.Farmakologi
Jawapan: C · As soon as possible, and within 72 hours at the latest
Mengapa ini jawapannya
Post-exposure prophylaxis aims to stop infection becoming established. It works best when started within hours, is not started after 72 hours, and is usually taken for 28 days.
Jawapan
C · As soon as possible, and within 72 hours at the latest
12.Farmakologi
Jawapan: A · Paracetamol (acetaminophen)
Mengapa ini jawapannya
Paracetamol passes into milk in small amounts and is widely regarded as safe. Codeine can cause dangerous opioid levels in babies of ultra-rapid metaboliser mothers, aspirin carries a Reye's risk and pethidine's metabolite accumulates in infants.
Jawapan: D · It raises statin levels and the risk of muscle damage
Mengapa ini jawapannya
Grapefruit juice inhibits the CYP3A4 enzyme, increasing levels of drugs such as simvastatin and some calcium channel blockers. Higher statin levels raise the risk of myopathy. Patients are advised to avoid large amounts or choose a statin not affected.
Jawapan
D · It raises statin levels and the risk of muscle damage
Jawapan: D · Melaporkannya kepada pasukan pembedahan serta-merta
Mengapa ini jawapannya
Saliran lebih daripada kira-kira 100–200 mL/j (atau isi padu besar darah segar secara tiba-tiba), terutamanya dengan takikardia atau hipotensi, mungkin menunjukkan pendarahan pembedahan dan memerlukan semakan segera. Mengapit boleh menyebabkan tamponad jantung. Saliran yang berhenti tiba-tiba dengan tekanan darah menurun juga boleh menandakan tamponad.
Jawapan
D · Melaporkannya kepada pasukan pembedahan serta-merta
Jawapan: C · The feed can reduce phenytoin absorption, so the feed is often paused around the dose
Mengapa ini jawapannya
Enteral feeds can bind phenytoin and greatly reduce how much is absorbed. Local protocols usually pause the feed before and after the dose and flush the tube. Drug levels are monitored.
Jawapan
C · The feed can reduce phenytoin absorption, so the feed is often paused around the dose
Jawapan: B · Look for causes such as low oxygen, pain, retention or infection
Mengapa ini jawapannya
Acute confusion after surgery is often delirium. The nurse first looks for causes: hypoxia, pain, retention, constipation, infection, low glucose, dehydration and drugs. Sedation and restraints can make it worse and are a last resort.
Jawapan
B · Look for causes such as low oxygen, pain, retention or infection
Jawapan: A · Blood glucose and signs of line infection
Mengapa ini jawapannya
PN can cause hyperglycaemia and electrolyte disturbance, and the central line is a route for bloodstream infection. Glucose, electrolytes, fluid balance, weight and temperature are monitored closely.
Jawapan: C · Reduced intake, mottled skin and changes in breathing
Mengapa ini jawapannya
Signs include increasing drowsiness, reduced intake, mottled cool peripheries, changes in breathing such as pauses, and noisy secretions. Recognising them allows care to focus on comfort and family support.
Jawapan
C · Reduced intake, mottled skin and changes in breathing
19.Kejururawatan materniti & obstetrik
Jawapan: C · Some results, such as PKU, need milk feeds first
Mengapa ini jawapannya
Phenylalanine builds up only after the baby has had milk feeds, so very early samples can miss PKU. Programmes specify timing, and early samples may need repeating.
Jawapan
C · Some results, such as PKU, need milk feeds first
20.Kejururawatan materniti & obstetrik
Jawapan: C · Sexual intercourse
Mengapa ini jawapannya
Women with placenta praevia are advised to avoid intercourse and anything inserted into the vagina because it may cause bleeding. They should report any bleeding or contractions straight away.
Jawapan
C · Sexual intercourse
21.Kejururawatan pediatrik
Jawapan: C · 1250 mL per day
Mengapa ini jawapannya
First 10 kg: 10 × 100 = 1000 mL. Next 5 kg: 5 × 50 = 250 mL. Total = 1250 mL per day, or about 52 mL per hour.
Jawapan
C · 1250 mL per day
22.Kejururawatan pediatrik
Jawapan: C · Keep the catheter draining freely and check for kinks or blockage
Mengapa ini jawapannya
After repair, the catheter or stent protects the new urethra while it heals. It must drain freely; blockage causes bladder spasm and pressure on the repair. Fluids are encouraged, and the dressing is managed as the surgeon directs.
Jawapan
C · Keep the catheter draining freely and check for kinks or blockage
23.Kejururawatan kesihatan mental
Jawapan: A · "You sound very angry. Tell me what has happened."
Mengapa ini jawapannya
A calm, non-defensive response that names the feeling invites the patient to explain the cause of the anger. Arguing or threatening tends to escalate the situation.
Jawapan
A · "You sound very angry. Tell me what has happened."
24.Kejururawatan kesihatan mental
Jawapan: B · Assess his suicide risk
Mengapa ini jawapannya
Stimulant withdrawal can cause profound depression, fatigue, hypersomnia and suicidal thoughts. Suicide risk assessment and close observation are the priorities.
Jawapan
B · Assess his suicide risk
25.Matematik kejururawatan & penukaran unit
Jawapan: x = 11.2 mL
Pembundaran: lihat digit sejurus selepas tempat yang anda bundarkan: 5 atau lebih dibundarkan ke atas, 4 atau kurang membiarkan digit seperti sedia ada. Bundarkan hanya jawapan akhir, jangan sekali-kali langkah-langkahnya. Peraturan peperiksaan yang lazim: isi padu 1 mL atau lebih kepada persepuluh terdekat, isi padu di bawah 1 mL kepada perseratus terdekat, kadar titisan kepada titisan bulat dan berat kepada satu tempat perpuluhan; sentiasa ikut peraturan yang dinyatakan oleh soalan.
Digit di tempat persepuluh
11.2254 → 2
Hanya digit seterusnya yang menentukan
11.2254 → 2
2 ialah 4 atau kurang, jadi 2 kekal.
Digit selepasnya (54) diabaikan: bundarkan sekali sahaja, bukan berperingkat.
Bundarkan
x = 11.2 mL
Jawapan
x = 11.2 mL
26.Matematik kejururawatan & penukaran unit
Jawapan: V = 262.5 mL
Sukatan isi rumah dan berat: peperiksaan kejururawatan menggunakan setara yang dibundarkan: 1 sudu teh (tsp) = 5 mL, 1 sudu besar (tbsp) = 15 mL = 3 tsp, 1 auns cecair (fl oz) = 30 mL = 2 tbsp, dan 1 cawan = 8 fl oz = 240 mL. Untuk berat, 1 kg = 2.2 lb dan 1 lb = 16 oz; untuk panjang, 1 inci = 2.54 cm. Sediakan penukaran supaya unit yang tidak anda mahu dibatalkan.
Setiap item dalam mL
6 fl oz = 6·30 = 180 mL
¼ cawan = 0.25·240 = 60 mL
3 tsp = 3·5 = 15 mL
½ tbsp = 0.5·15 = 7.5 mL
Tambah
V = 180 + 60 + 15 + 7.5 = 262.5 mL
Jawapan
V = 262.5 mL
27.Pengiraan dos
Jawapan: D = 61 mg
Body-surface-area dosing: many cytotoxic and some paediatric doses are prescribed per square metre of body surface area: dose (mg) = dose per m² × BSA (m²). The Mosteller formula estimates BSA = √(height (cm) × weight (kg)/3600).
Dos
D = 50·1.22 = 61 mg
Jawapan
D = 61 mg
28.Pengiraan dos
Jawapan: V = 6 mL
Pengiraan dos: jumlah yang diberi sama dengan apa yang dipreskripsikan dibahagi dengan apa yang ada, didarab kuantiti bekalannya: jumlah = (dos dikehendaki/kekuatan stok) × isi padu stok. Sentiasa kekalkan unit yang sama (tukar g kepada mg, mg kepada mcg dahulu) dan semak bahawa jawapan munasabah.
Dos daripada berat
12.5·12 = 150 mg
Isi padu
V = (150/125)·5 = 6 mL
Jawapan
V = 6 mL
29.Kadar infusi IV
Jawapan: R = 215 mL/h
Infusion rates: a pump is set in mL/h = volume/time in hours. A gravity drip is counted in drops per minute: gtt/min = volume (mL) × drop factor (gtt/mL)/time (min). The drop factor is printed on the tubing package: macrodrip sets deliver 10, 15 or 20 gtt/mL (blood sets often 10 gtt/mL in the US, 15 in the UK) and microdrip sets 60 gtt/mL. Always use the drop factor the question or package gives.
Kadar asal
1500/8 = 187.5 mL/h
Kadar baharu
R = 860/4 = 215 mL/h
Jawapan
R = 215 mL/h
Banyak hospital membenarkan pelarasan sedemikian sehingga 25% tanpa arahan baharu; semak dasar tempatan.
30.Kadar infusi IV
Jawapan: Δ = 8 %
Infusion rates: a pump is set in mL/h = volume/time in hours. A gravity drip is counted in drops per minute: gtt/min = volume (mL) × drop factor (gtt/mL)/time (min). The drop factor is printed on the tubing package: macrodrip sets deliver 10, 15 or 20 gtt/mL (blood sets often 10 gtt/mL in the US, 15 in the UK) and microdrip sets 60 gtt/mL. Always use the drop factor the question or package gives.
Kadar asal
1500/12 = 125 mL/h
Kadar baharu
R = 540/4 = 135 mL/h
Peratusan perubahan
Δ = (135 − 125)/125·100% = 8%
Jawapan
Δ = 8%
Banyak hospital membenarkan pelarasan sedemikian sehingga 25% tanpa arahan baharu; semak dasar tempatan.
31.Cecair IV & imbangan cecair
Jawapan: I = 1140 mL
Pengambilan dan pengeluaran: pengambilan mengira segala yang masuk (cecair oral, infusi IV, ubat IV dan pembilasan, suapan tiub); ketulan ais dikira separuh isi padunya. Pengeluaran mengira air kencing, longkang, muntah dan kehilangan lain. Imbangan = jumlah pengambilan − jumlah pengeluaran; imbangan negatif ialah kehilangan bersih. Nombor hanya untuk latihan; di sisi katil sentiasa ikut protokol tempatan dan minta dos berisiko tinggi disemak dua kali.
Tambah pengambilan
oral: 200 + 150 = 350 mL
ketulan ais: 200/2 = 100 mL
Infusi IV: 80·8 = 640 mL
antibiotik IV: 1·50 = 50 mL
I = 1140 mL
Jawapan
I = 1140 mL
32.Cecair IV & imbangan cecair
Jawapan: t = 10.8 h
Masa infusi: masa (j) = isi padu untuk diinfuskan (mL)/kadar (mL/j); gunakan isi padu yang masih tinggal dalam beg, bukan saiz beg. Isi padu yang diinfuskan = kadar × masa. Tukar jam perpuluhan kepada jam dan minit dengan pecahan × 60 (0.5 j = 30 min, bukan 50 min). Nombor hanya untuk latihan; di sisi katil sentiasa ikut protokol tempatan dan minta dos berisiko tinggi disemak dua kali.
Isi padu tinggal
1000 − 350 = 650 mL
Masa
t = 650/60 = 10.83 ≈ 10.8 h
Jawapan
t = 10.8 h
Itu kira-kira 10 h 50 min, jadi beg habis pada kira-kira 18:20.
33.Skor penilaian klinikal
Jawapan: NEWS2 = 12
NEWS2 (National Early Warning Score 2, Royal College of Physicians 2017): skorkan setiap satu daripada tujuh parameter dengan carta (kadar pernafasan, SpO₂ pada skala 1, udara atau oksigen tambahan, tekanan darah sistolik, nadi, kesedaran pada skala ACVPU dan suhu) dan tambahkan skor. Risiko klinikal: 0–4 rendah; skor 3 dalam mana-mana satu parameter rendah–sederhana; 5–6 sederhana; 7 atau lebih tinggi. Jumlah 5 atau lebih memerlukan tindak balas segera.
Skorkan setiap parameter
RR 25/min → 3
SpO₂ 95% → 1
dengan oksigen → 2
SBP 88 mmHg → 3
HR 82/min → 0
tidak bertindak balas (U) → 3
T 37.2 °C → 0
Tambah
NEWS2 = 3 + 1 + 2 + 3 + 0 + 3 + 0 = 12
Jawapan
NEWS2 = 12
34.Skor penilaian klinikal
Jawapan: DBP = 36 mmHg
Nilai tekanan darah: tekanan nadi PP = SBP − DBP. Tekanan arteri min MAP ≈ (SBP + 2·DBP)/3 = DBP + PP/3, anggaran berdasarkan jantung yang menghabiskan kira-kira dua pertiga setiap denyutan dalam diastol pada kadar denyutan jantung normal (kurang tepat apabila kadar denyutan jantung laju); MAP sekurang-kurangnya kira-kira 65 mmHg ialah sasaran biasa untuk perfusi organ. Indeks kejutan SI = kadar denyutan jantung/SBP biasanya kira-kira 0.5–0.7; nilai melebihi kira-kira 1 ialah tanda amaran kejutan.
Susun semula
DBP = (3·MAP − SBP)/2
Gantikan
DBP = (3·60 − 108)/2 = 72/2 = 36 mmHg
Jawapan
DBP = 36 mmHg
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