Lembaran formula, langkah kaedah utama untuk setiap topik dan 16 soalan latihan, dengan penyelesaian penuh di bahagian belakang.
“After weeks of practice, Mei could finally play the whole piece without looking at the music.” What does “finally” suggest?
“The children’s hospital opened a play room. Since then, nurses report that children are calmer before procedures and need fewer extra staff to help hold them still.” What can be inferred about the play room?
Bilangan permintaan loceng panggilan pada sebuah unit sepanjang 6 malam ialah 4, 13, 36, 37, 30, 23. Berapakah median m?
Dalam sesuatu kursus, kerja rumah dikira 20%, peperiksaan pertengahan 40% dan peperiksaan akhir 40% daripada gred. Seorang pelajar mendapat 95% dalam kerja rumah, 71% dalam peperiksaan pertengahan dan 79% dalam peperiksaan akhir. Berapakah gred kursus G?
Bahagian otak manakah yang terutamanya bertanggungjawab untuk koordinasi dan keseimbangan?
Struktur manakah yang melalui kanal inguinal pada lelaki?
Apakah fungsi utama surfaktan pulmonari?
Pesakit yang hiperventilasi semasa serangan panik mengalami jari kesemutan. Apakah yang paling mungkin ditunjukkan oleh gas darah arteri?
The genetic code is described as nearly universal. What does this mean?
Why does cooking oil not mix with water?
In the reaction Zn + Cu²⁺ → Zn²⁺ + Cu, which species loses electrons?
Ethanol (CH₃CH₂OH) and dimethyl ether (CH₃OCH₃) have the same formula, C₂H₆O, but ethanol boils at a much higher temperature. Why?
Choose the correct form: “She is one of the ___ nurses on the unit.”
Which sentence is the most appropriate for a formal research paper?
Choose the meaning of the words in bold: “The patient is terminally ill and is receiving hospice care.”
What does the term arthroscopy mean?
Jawapan: C · It took her a long time to succeed.
“Finally”, with “after weeks of practice”, shows that success came only after a long effort.
Jawapan: B · It may help reduce children’s fear before procedures.
Children being calmer and needing less holding suggests the play room helps reduce their anxiety. The passage does not say procedures stopped.
Jawapan: m = 26.5
Min, median, mod dan julat: min (purata) ialah hasil tambah dibahagi dengan bilangan nilai. Median ialah nilai tengah apabila nilai disusun; dengan bilangan nilai genap ia ialah min bagi dua nilai tengah. Mod ialah nilai yang paling kerap muncul. Julat ialah nilai terbesar tolak nilai terkecil.
Jawapan: G = 79 %
Purata berwajaran: apabila bahagian dikira dengan peratusan yang berbeza, darabkan setiap skor dengan pemberatnya (sebagai perpuluhan) dan tambahkan. Min biasa bagi skor hanya betul apabila setiap bahagian dikira sama rata.
Jawapan: B · Serebelum
Serebelum menghalusi pergerakan, postur dan keseimbangan. Kerosakannya menyebabkan ataksia dan langkah yang tidak stabil.
Jawapan: B · Korda sperma
Kanal inguinal membawa korda sperma pada lelaki dan ligamen bulat pada perempuan. Salur femoral sebaliknya melalui bawah ligamen inguinal.
Jawapan: A · Untuk mengurangkan tegangan permukaan dalam alveoli
Surfaktan, yang dihasilkan oleh sel alveolar jenis II, merendahkan tegangan permukaan supaya alveoli tidak runtuh dan paru-paru lebih mudah dikembangkan.
Jawapan: D · pH tinggi dan PaCO₂ rendah
Hiperventilasi menghembus keluar CO₂ dan menyebabkan alkalosis respiratori akut. Alkalosis meningkatkan pengikatan kalsium pada albumin, merendahkan kalsium terion dan menyebabkan kesemutan.
Jawapan: C · The same codons mean the same amino acids in nearly all organisms
A codon such as AUG means the same thing in bacteria, plants and humans. This shared code is evidence of common ancestry and allows bacteria to make human proteins such as insulin.
Jawapan: B · Oil molecules are nonpolar and cannot form hydrogen bonds with water
Water molecules attract each other by hydrogen bonds. Nonpolar oil molecules cannot take part in these bonds, so water excludes them and the oil separates, usually floating on top.
Jawapan: C · Zn
Zinc goes from 0 to +2, so it loses two electrons and is oxidised. Cu²⁺ gains those electrons and is reduced to copper metal.
Jawapan: D · Ethanol has an O–H group, so its molecules form hydrogen bonds with each other
Hydrogen bonding needs H bonded directly to N, O or F. Ethanol has an O–H group and forms hydrogen bonds; in dimethyl ether every H is bonded to carbon, so it has only weaker forces and a lower boiling point.
Jawapan: C · best
“Good” has the irregular forms good, better, best. “Goodest” and “bestest” are not standard words.
Jawapan: D · The data suggest that sleep improves recall.
Formal academic style uses hedged, objective language (“suggest”) and avoids slang, symbols in place of words and personal opinion.
Jawapan: C · Has an illness that will cause death
A terminally ill patient has a disease that cannot be cured and is expected to lead to death.
Jawapan: D · Looking inside a joint with a scope
Arthroscopy is the visual examination of the inside of a joint using an arthroscope.
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