Lembar rumus, langkah-langkah metode utama untuk setiap topik, dan 16 soal latihan, dengan pembahasan lengkap di bagian belakang.
“Old Mr. Hale’s garden was full of weeds, the gate hung from one hinge, and the windows were covered in dust.” What can the reader most likely infer?
“Discharge note: Walk for 10 minutes three times a day in week 1. Increase to 20 minutes three times a day in week 2. Avoid lifting anything heavier than 5 kg (about 11 lb) for 6 weeks.” Which activity is allowed in week 2?
Hitung 2 1/3 ÷ 2 8/9. Klik jawaban dalam bentuk paling sederhana.
Semalaman suhu turun 54 °F. Berapa derajat Celsius Δ penurunannya?
Saraf mana yang mempersarafi diafragma?
Saat memasang selang dada atau jarum ke rongga pleura, mengapa alat itu ditempatkan tepat di atas tepi atas tulang rusuk?
Pada otot rangka, dari mana sebagian besar kalsium untuk kontraksi berasal?
Adaptasi mana yang berkembang dalam hitungan hari hingga minggu di dataran tinggi?
An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?
An Rh-negative mother gives birth to an Rh-positive baby. Why could a later Rh-positive pregnancy be at risk?
How many moles of gas are in 44,8 L at STP (0 °C and 1 atm)?
Orange bromine water is shaken with two hydrocarbons. With hexene it turns colourless; with hexane it stays orange. What does this show?
Choose the correct word: “The patient rode a ___ bike during rehab.”
Choose the correct word: “Give the form to ___ asks for it.”
Choose the meaning of the word in bold: “The patient was given an enema before the bowel test.”
Choose the word that best completes the sentence: “The nurse was ___ when checking each dose and never missed a detail.”
Jawaban: C · The house has not been cared for in some time.
Weeds, a broken gate and dusty windows all point to neglect over time. They contradict the idea of recent cleaning or daily gardening.
Jawaban: C · Walking 20 minutes three times a day
In week 2, walking 20 minutes three times a day is advised. Lifting more than 5 kg is not allowed for 6 weeks, and one 60-minute walk goes beyond the plan.
Jawaban: 21/26
Mengalikan dan membagi pecahan: pertama ubah bilangan campuran menjadi pecahan tak wajar (2 1/3 = 7/3). Untuk mengalikan, kalikan pembilang dengan pembilang dan penyebut dengan penyebut. Untuk membagi, pertahankan pecahan pertama, ubah ÷ menjadi ×, dan balik pecahan kedua (kalikan dengan kebalikannya). Coret faktor persekutuan dan tulis hasilnya dalam bentuk paling sederhana sebagai bilangan campuran.
Jawaban: Δ = 30 °C
Skala suhu: °F = °C × 9/5 + 32 dan °C = (°F − 32) × 5/9. Perubahan suhu dikonversi tanpa 32, karena 32 hanya menggeser titik nol: perubahan 1 °C sama dengan perubahan 1,8 °F.
Jawaban: C · Saraf frenikus
Saraf frenikus (radiks C3–C5) adalah persarafan motorik diafragma. Karena itu, cedera medula spinalis servikal tinggi di atas C3 menghentikan pernapasan spontan.
Jawaban: C · Vena, arteri, dan saraf interkostal berjalan di sepanjang tepi bawah setiap tulang rusuk
Berkas neurovaskular interkostal (vena, arteri, saraf dari atas ke bawah) terletak di sulkus kosta di bawah setiap tulang rusuk. Masuk tepat di atas tulang rusuk di bawahnya akan menghindarinya.
Jawaban: C · Retikulum sarkoplasma
Depolarisasi tubulus T membuka reseptor ryanodin di retikulum sarkoplasma, sehingga kalsium yang tersimpan dilepaskan ke sitoplasma.
Jawaban: D · Kadar eritropoietin lebih tinggi dan lebih banyak sel darah merah
Hipoksia merangsang EPO dan produksi sel darah merah, sehingga menaikkan kapasitas pengangkutan oksigen. Hiperventilasi menyebabkan alkalosis, yang dikompensasi ginjal dengan mengekskresikan bikarbonat.
Jawaban: B · Plants
Multicellular organisms that photosynthesise and have cellulose walls are plants. Fungi absorb food and have chitin walls, animals have no walls and bacteria are prokaryotes.
Jawaban: C · She may have made anti-D antibodies that cross the placenta
Exposure to the baby's RhD-positive cells can sensitise the mother, so she makes anti-D antibodies. In a later pregnancy these can cross the placenta and destroy the baby's red cells (haemolytic disease of the newborn). Anti-D immunoglobulin is given to prevent sensitisation.
Jawaban: D · 2 mol
At STP, 1 mol occupies 22,4 L, so 44,8 L ÷ 22,4 L/mol = 2 mol.
Jawaban: A · Hexene contains a C=C double bond; hexane does not
Bromine reacts with C=C double bonds by addition, so its colour disappears. Alkanes like hexane are saturated and do not react this way, so bromine water is a test for unsaturation.
Jawaban: B · stationary
“Stationary” means not moving. “Stationery” means writing paper and envelopes: e for envelope.
Jawaban: A · whoever
The whole clause “___ asks for it” is the object of “to”, but inside the clause the pronoun is the subject of “asks”, so “whoever” is correct.
Jawaban: A · Fluid put into the rectum to empty the bowel
An enema is fluid introduced into the rectum to clean out or stimulate the bowel.
Jawaban: C · meticulous
Meticulous means showing great attention to detail.
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