Lembar rumus, langkah-langkah metode utama untuk setiap topik, dan 16 soal latihan, dengan pembahasan lengkap di bagian belakang.
A recipe says: “Preheat the oven to 180 °C. While the oven heats, mix the flour and sugar. Add the eggs and milk, stir until smooth, and pour into a greased tin.” What should be done while the oven is heating?
Passage A: “Homework helps students practise skills learned in class.” Passage B: “Too much homework can cause stress and leave little time for rest.” Which statement best combines both passages?
Harga sebuah buku teks berubah dari $560 menjadi $532. Berapa persen penurunannya p?
Tabel menunjukkan jumlah relawan di pusat A, B, dan C pada 2024 dan 2025. Berapa persen p dari seluruh relawan 2025 yang berada di pusat B? Bulatkan ke bilangan bulat terdekat.
Saraf mana yang terbesar di tubuh manusia?
EKG menunjukkan infark di sadapan II, III, dan aVF (dinding inferior). Arteri koroner mana yang paling sering tersumbat?
Kapasitas vital adalah jumlah dari volume paru yang mana?
Transporter mana di lengkung tebal asendens Henle yang menjadi kunci pembentukan gradien konsentrasi medula?
Lactose (milk sugar) is a disaccharide. Which two monosaccharides is it made of?
A student puts a fertilised plant in a sunny window and an unfertilised plant in a dark cupboard. The fertilised plant grows more. What is the main flaw?
How much heat is needed to raise the temperature of 100 g of water by 10 °C (specific heat of water = 4,18 J/g·°C)?
A salt is dissolved in water in an insulated cup, and the water temperature falls from 25 °C to 20 °C. Which statement is correct?
Which sentence uses a reflexive pronoun correctly?
Which sentence is punctuated correctly with a nonessential clause at the end?
What does the suffix -uria mean, as in “haematuria”?
Choose the meaning of the word in bold: “The patient was disoriented after waking from anaesthesia.”
Jawaban: D · Mix the flour and sugar
“While the oven heats, mix the flour and sugar.” The other steps come afterwards.
Jawaban: A · Homework can help, but too much can be harmful.
Passage A gives a benefit and Passage B a drawback of too much homework. Only the first choice reflects both views.
Jawaban: p = 5 %
Persen berarti per seratus: p% dari suatu bilangan adalah (p/100) × bilangan itu. Untuk mencari A adalah berapa persen dari B, bagi A dengan B lalu kalikan 100. Perubahan persen membandingkan perubahan dengan nilai semula: perubahan persen = (baru − semula)/semula × 100.
Jawaban: p = 39 %
Persen berarti per seratus: p% dari suatu bilangan adalah (p/100) × bilangan itu. Untuk mencari A adalah berapa persen dari B, bagi A dengan B lalu kalikan 100. Perubahan persen membandingkan perubahan dengan nilai semula: perubahan persen = (baru − semula)/semula × 100.
Jawaban: A · Saraf iskiadikus
Saraf iskiadikus (L4–S3) keluar dari panggul melalui foramen iskiadikum mayor dan mempersarafi hamstring serta semua otot di bawah lutut. Kulit di sisi dalam tungkai bawah justru dipersarafi oleh saraf safenus.
Jawaban: D · Arteri koroner kanan
Dinding inferior biasanya dipasok arteri koroner kanan melalui arteri desendens posterior (sirkulasi dominan kanan), sehingga infark inferior sebagian besar disebabkan oklusi RCA.
Jawaban: A · Volume tidal, volume cadangan inspirasi, dan volume cadangan ekspirasi
Kapasitas vital = IRV + TV + ERV. Kapasitas ini tidak mencakup volume residu, yang selalu tetap berada di paru.
Jawaban: B · Kotransporter Na⁺–K⁺–2Cl⁻ (NKCC2)
NKCC2 memindahkan Na⁺, K⁺, dan Cl⁻ keluar dari tubulus ke interstisium tanpa air, sehingga membangun gradien medula. Diuretik loop seperti furosemid memblokirnya.
Jawaban: B · Glucose and galactose
Lactose is made of glucose and galactose. People with lactose intolerance lack enough lactase, the enzyme that splits it, so the sugar is fermented by gut bacteria.
Jawaban: B · Two variables were changed, so the cause is unclear
Both fertiliser and light differ between the plants, so the extra growth could be due to either. A fair test changes only the independent variable and keeps everything else the same.
Jawaban: B · 4180 J
q = 100 g × 4,18 J/g·°C × 10 °C = 4180 J (about 4,2 kJ).
Jawaban: B · Dissolving is endothermic; the dissolving salt took heat from the water
The water (surroundings) lost heat, so the dissolving process (system) absorbed it. A process that takes in heat and cools its surroundings is endothermic.
Jawaban: C · She reminded herself to drink water.
“Herself” refers back to the subject “she”. In the other sentences there is no matching subject, so “me” or “I” is needed instead of “myself”.
Jawaban: B · We visited the new wing, which opened last month.
A nonessential clause at the end of a sentence is set off by one comma before “which”. A semicolon cannot introduce a dependent clause.
Jawaban: C · A condition of the urine
-uria refers to urine: haematuria is blood in the urine and polyuria passing large amounts of urine.
Jawaban: D · Confused about time, place or identity
Disoriented means confused about time, place, person or situation.
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