Lembaran formula, langkah kaedah utama untuk setiap topik dan 16 soalan latihan, dengan penyelesaian penuh di bahagian belakang.
A nutrition label shows per serving: 200 calories, 10 g fat, 25 g carbohydrate, 4 g protein. A person eats two servings. How much protein did the person eat?
“A doctor’s note must be given for any absence of more than three days. Absences of three days or fewer can be reported by phone.” A nurse is absent from Monday to Wednesday. What must the nurse do?
Sebuah bandar mempunyai 24 jururawat berdaftar tahun lepas dan 18 tahun ini. Berapakah peratus penurunan p?
Sebuah resipi menggunakan 2 cawan tepung untuk 4 kelompok muffin. Pada kadar yang sama, berapa cawan tepung x diperlukan untuk 24 kelompok?
Saraf manakah yang membekalkan diafragma?
Otot manakah yang "membuka kunci" lutut yang terekstensi sepenuhnya dengan memutar femur secara lateral pada tibia pada permulaan fleksi?
Semasa pengecutan sarkomer otot rangka, jalur manakah yang kekal sama panjang?
Pengangkut manakah dalam anggota naik tebal gelung Henle yang penting untuk membina kecerunan kepekatan medula?
A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?
A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?
How should the volume of water in a graduated cylinder be read?
Each C=O bond in carbon dioxide is polar, yet the CO₂ molecule is nonpolar. Why?
Choose the correct word: “After the fall, the patient was ___ but confused.”
Which sentence uses a subordinating conjunction without creating a fragment?
Choose the meaning of the word in bold: “This drug has a sedative effect.”
Which word means “relating to the mother in the period after childbirth”?
Jawapan: D · 8 g
Each serving has 4 g of protein, so two servings contain 8 g. 20 g would be the fat in two servings.
Jawapan: D · Report the absence by phone.
Monday to Wednesday is three days, which is “three days or fewer”, so a phone report is enough. A note is needed only for more than three days.
Jawapan: p = 25 %
Peratus bermaksud per seratus: p% daripada sesuatu nombor ialah (p/100) × nombor itu. Untuk mencari berapa peratus A daripada B, bahagikan A dengan B dan darabkan dengan 100. Perubahan peratusan membandingkan perubahan dengan nilai asal: perubahan peratusan = (baharu − asal)/asal × 100.
Jawapan: x = 12 cawan
Nisbah dan kadaran: nisbah a : b membandingkan dua kuantiti. Dalam kadaran dua nisbah adalah sama, a/b = c/d, dan anda menyelesaikannya dengan darab silang: a·d = b·c. Untuk berkongsi suatu jumlah dalam nisbah m : n, bahagikannya kepada m + n bahagian yang sama; satu bahagian ialah m bahagian, yang satu lagi n bahagian.
Jawapan: A · Saraf frenik
Saraf frenik (akar C3–C5) ialah bekalan motor kepada diafragma. Kecederaan saraf tunjang serviks tinggi di atas C3 oleh itu menghentikan pernafasan spontan.
Jawapan: D · Popliteus
Pada ekstensi penuh lutut terkunci melalui putaran medial femur. Popliteus memutar femur secara lateral pada tibia yang tetap untuk membuka kuncinya supaya fleksi dapat bermula.
Jawapan: A · Jalur A
Dalam model filamen gelongsor, filamen menggelongsor melepasi satu sama lain tanpa memendek. Jalur A (panjang miosin) kekal sama manakala jalur I dan zon H memendek.
Jawapan: B · Kotransporter Na⁺–K⁺–2Cl⁻ (NKCC2)
NKCC2 memindahkan Na⁺, K⁺ dan Cl⁻ keluar dari tubul ke dalam interstisium tanpa air, membina kecerunan medula. Diuretik gelung seperti furosemid menyekatnya.
Jawapan: D · Cross it with a short (tt) plant
In a test cross the unknown is crossed with a homozygous recessive. If any short offspring appear, the tall parent must be Tt; if all offspring are tall, it is very likely TT.
Jawapan: B · Each predator eats many prey, so the pesticide builds up at each level
A stable pesticide is stored in the body rather than excreted. Each organism at a higher level eats many organisms from the level below, so the concentration rises along the food chain. This is how DDT harmed birds of prey.
Jawapan: B · At eye level, from the bottom of the curved surface (meniscus)
Water forms a concave meniscus. The reading is taken at the bottom of the curve with the eye level with the surface, which avoids parallax error.
Jawapan: B · The molecule is linear, so the two bond dipoles cancel out
Polarity depends on both bond polarity and shape. CO₂ is linear and symmetrical, so the two equal dipoles point in opposite directions and cancel. Water is bent, so its dipoles do not cancel.
Jawapan: B · conscious
“Conscious” means awake and aware. “Conscience” is a sense of right and wrong, and “conscientious” means careful and hard-working.
Jawapan: D · Although she was tired, she kept working.
The dependent clause is joined to the independent clause with a comma. B and C leave a fragment, and a semicolon cannot join a dependent clause to a main clause.
Jawapan: C · Calming and causing sleepiness
A sedative calms a person and causes drowsiness.
Jawapan: B · Postpartum
Postpartum means after childbirth; antepartum is before and intrapartum is during labour, while neonatal refers to the newborn.
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