Lembar rumus, langkah-langkah metode utama untuk setiap topik, dan 16 soal latihan, dengan pembahasan lengkap di bagian belakang.
When Rosa started her new job at the hospital, she got lost three times on the first day. By the end of the month, she was giving directions to visitors. What does the passage show about Rosa?
A study reported that students who slept at least eight hours scored higher on tests than those who slept less. The study included 5000 students from many schools and controlled for age and family income. Why does the author mention the size of the study and the controls?
Resep punch menghasilkan 3 galon. Berapa cangkir x itu?
Sebuah pusat kebugaran menarik biaya pendaftaran satu kali sebesar $40 ditambah $20 per bulan. Maria sudah membayar total $260. Sudah berapa bulan n ia menjadi anggota?
Radiks saraf spinal mana yang membentuk pleksus brakialis?
Herniasi diskus posterolateral yang khas di antara L4 dan L5 paling sering menekan radiks saraf mana?
Hormon apa yang dilepaskan korteks adrenal sebagai respons terhadap ACTH?
Seorang pasien ketoasidosis diabetik bernapas dalam dan cepat. Pola apa yang diharapkan pada analisis gas darah?
Why are stains such as iodine or methylene blue added to cells on a microscope slide?
Pasteur boiled broth in swan-neck flasks. The broth stayed clear until the neck was broken off, when it soon became cloudy. What did this show?
Which element has the most metallic character?
A mixture contains sand, salt and water. Which sequence separates all three?
Choose the correct verb: “Both of the nurses ___ on duty tonight.”
Which revision makes it clear that the nurse, not the boy, was smiling? “The nurse gave a sticker to the boy with a smile.”
Choose the meaning of the word in bold: “The patient complained of tinnitus.”
What does the term colectomy mean?
Jawaban: A · She quickly learned her way around the hospital.
Going from getting lost to helping visitors shows that she learned the layout quickly.
Jawaban: B · To show the results are more trustworthy
A large sample and controls for other factors make the result more reliable. They do not prove sleep is the only cause.
Jawaban: x = 48 cangkir
Konversi satuan: kalikan dengan faktor yang bernilai 1, ditulis sehingga satuan lama habis dicoret: 3 ft × 12 in/1 ft = 36 in. Panjang metrik: 1 km = 1000 m, 1 m = 100 cm = 1000 mm, 1 cm = 10 mm. Satuan AS: 1 ft = 12 in, 1 yd = 3 ft, 1 mi = 5280 ft; 1 gal = 4 qt, 1 qt = 2 pt, 1 pt = 2 cup; 1 ton = 2000 lb. Waktu: 1 jam = 60 menit, 1 menit = 60 detik, 1 hari = 24 jam, 1 minggu = 7 hari. Satuan yang lebih kecil menghasilkan bilangan yang lebih besar.
Jawaban: n = 11 bulan
Soal cerita: namai bilangan yang tidak diketahui (misalnya x = jumlah bulan), tulis fakta-faktanya sebagai satu persamaan, selesaikan, dan periksa apakah jawabannya masuk akal dalam ceritanya. Biaya tetap ditambah tarif per satuan menghasilkan total = biaya + tarif × satuan.
Jawaban: A · C5 sampai T1
Pleksus brakialis dibentuk oleh rami ventral C5, C6, C7, C8, dan T1. Dari pleksus ini muncul saraf-saraf utama lengan.
Jawaban: A · L5
Herniasi posterolateral L4–L5 biasanya mengenai radiks L5 yang melintas, menyebabkan kelemahan ekstensi ibu jari kaki dan mati rasa di punggung kaki.
Jawaban: C · Kortisol
ACTH dari hipofisis anterior merangsang pelepasan kortisol dari zona fasikulata. Adrenalin berasal dari medula adrenal.
Jawaban: D · pH rendah, bikarbonat rendah, dan PaCO₂ rendah
Asam keto menghabiskan bikarbonat sehingga menyebabkan asidosis metabolik. Pernapasan Kussmaul menurunkan PaCO₂ sebagai kompensasi respiratorik.
Jawaban: D · To make structures easier to see
Most cell parts are colourless, so stains are used to add contrast. Iodine stains starch and nuclei in plant cells, and methylene blue stains the nuclei of animal cells.
Jawaban: C · Microbes come from the air, not from the broth itself
The curved neck let air in but trapped dust and microbes. Broth spoiled only when microbes could reach it, which disproved spontaneous generation and supported the idea that living things come from other living things.
Jawaban: D · Caesium (Cs)
Metallic character (how easily an atom loses electrons) is greatest at the bottom left of the table. Caesium is in group 1, period 6, so it is the most metallic of these.
Jawaban: A · Filter to remove the sand, then distil the filtrate to collect water and leave salt
Filtration removes the insoluble sand. The filtrate is salt water; distilling it collects pure water in the condenser and leaves the salt behind. Evaporation alone would recover salt but lose the water.
Jawaban: C · are
“Both” is a plural indefinite pronoun, so it takes a plural verb. Few, many, several and both are always plural.
Jawaban: B · With a smile, the nurse gave a sticker to the boy.
Placing “With a smile” next to “the nurse” shows who was smiling. C suggests the sticker had a smile, and D still describes the boy.
Jawaban: C · Ringing in the ears
Tinnitus is a ringing, buzzing or hissing sound in the ears with no outside source.
Jawaban: B · Removal of all or part of the colon
A colectomy is the surgical removal of all or part of the colon; -ectomy means removal.
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