Lembar rumus, langkah-langkah metode utama untuk setiap topik, dan 16 soal latihan, dengan pembahasan lengkap di bagian belakang.
“Many people think bats are blind. In fact, bats can see, and many species also use echolocation, sending out sounds and listening for the echoes, to find their way in the dark.” What is echolocation, according to the passage?
The author writes: “Opponents claim the new hospital will cost too much. But they ignore that the nearest emergency room is 60 kilometres away, and every minute counts in a heart attack.” What is the author’s tone toward the opponents?
Pecahan atau bilangan campuran paling sederhana mana yang sama dengan desimal 2,34? Klik jawabannya.
Sebuah resep menyuruh memanggang pada 220 °C. Berapa suhu itu T dalam derajat Fahrenheit?
Saraf kranial mana yang mengendalikan gerakan lidah?
Bagaimana urutan struktur yang dilalui urine setelah keluar dari duktus koligens?
Apa rangsangan utama untuk bernapas pada orang sehat?
Pada pasien dengan hipotiroidisme primer, Anda akan memperkirakan:
What causes cohesion between water molecules?
Why is ATP described as an energy carrier rather than a long-term energy store?
When a nucleus emits an alpha particle, how do its mass number and atomic number change?
How many atoms in total are in 0,5 mol of water, H₂O?
Choose the correct preposition: “The patient is allergic ___ penicillin.”
Which sentence uses the pronoun “one” consistently?
Choose the meaning of the word in bold: “The patient had a laceration on her scalp after the fall.”
Choose the word that best completes the sentence: “The nurse spoke in a ___ voice so the frightened child would feel safe.”
Jawaban: B · Using echoes of sounds to find the way
The passage explains echolocation as sending out sounds and listening for the echoes to find the way in the dark.
Jawaban: B · Critical
Saying the opponents ignore an important fact shows that the author disagrees with and criticises them.
Jawaban: 2 17/50
Pecahan, desimal, dan persen adalah tiga cara menulis bilangan yang sama. Pecahan → desimal: bagi pembilang dengan penyebut. Desimal → persen: kalikan 100 (geser koma dua tempat ke kanan). Persen → desimal: bagi 100. Desimal → pecahan: tulis angkanya di atas 10, 100, atau 1000 (satu nol untuk setiap angka di belakang koma) lalu sederhanakan.
Jawaban: T = 428 °F
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: A · Saraf hipoglosus (XII)
Saraf hipoglosus mempersarafi otot intrinsik dan sebagian besar otot ekstrinsik lidah. Pada lesinya, lidah yang dijulurkan menyimpang ke sisi yang terkena.
Jawaban: D · Kaliks minor, kaliks mayor, pelvis ginjal, ureter
Duktus koligens bermuara di papila ginjal ke kaliks minor, yang bergabung menjadi kaliks mayor, lalu mengalir ke pelvis ginjal dan kemudian ureter.
Jawaban: C · Kenaikan CO₂ arteri
Kemoreseptor sentral merespons CO₂ (melalui pH cairan serebrospinal). O₂ rendah baru menambah dorongan napas secara kuat bila PaO₂ turun jauh di bawah normal, misalnya di dataran tinggi.
Jawaban: D · TSH tinggi dan T4 bebas rendah
Saat tiroid gagal, T4 rendah menghilangkan umpan balik negatif dan hipofisis menaikkan TSH. TSH rendah dengan T4 rendah akan menunjukkan hipotiroidisme sekunder (hipofisis).
Jawaban: C · Hydrogen bonds between neighbouring molecules
Water molecules are polar and form hydrogen bonds with each other. This cohesion causes surface tension and helps water move up through the narrow tubes of plants.
Jawaban: D · Cells hold only a little and constantly recycle it from ADP
Cells keep only a small amount of ATP and remake it all the time from ADP and phosphate using energy from respiration. Long-term energy is stored as glycogen and fat.
Jawaban: A · Mass number falls by 4 and atomic number falls by 2
Losing 2 protons and 2 neutrons lowers the mass number by 4 and the atomic number by 2, so a new element forms two places earlier in the periodic table.
Jawaban: D · 9,03 × 10²³
0,5 mol × 6,02 × 10²³ = 3,01 × 10²³ molecules. Each has 3 atoms, so 3 × 3,01 × 10²³ = 9,03 × 10²³ atoms.
Jawaban: C · to
The fixed expression is “allergic to” something, just as the noun is “an allergy to”.
Jawaban: A · One should check one’s work before submitting it.
A keeps the third-person pronoun “one” throughout. The other sentences shift between “one” and “you”.
Jawaban: C · A torn or jagged cut
A laceration is a wound in which the skin is torn or cut, often with irregular edges.
Jawaban: B · soothing
Soothing means gently calming and comforting.
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