Lembaran formula, langkah kaedah utama untuk setiap topik dan 16 soalan latihan, dengan penyelesaian penuh di bahagian belakang.
“I was born in 1950 in a small farming village. Every morning I walked three miles to school, even in the snow.” What type of source is this most likely?
The author writes: “A famous actor says she uses Glow cream every day, so it must be good for your skin.” Why is this weak evidence?
Pecahan atau nombor bercampur manakah dalam bentuk termudah yang sama dengan perpuluhan 0.45? Klik padanya.
Pecahan atau nombor bercampur manakah dalam bentuk termudah yang sama dengan perpuluhan 4.27? Klik padanya.
Struktur manakah yang merupakan berkas utama gentian saraf yang menghubungkan hemisfera serebrum kiri dan kanan?
Satu pukulan pada sisi kepala di pterion menyebabkan hematoma ekstradural. Salur manakah yang biasanya koyak?
Mengapakah otot jantung tidak boleh mengalami tetanus seperti otot rangka?
Dalam eksperimen klasik Otto Loewi, cecair daripada jantung katak yang dirangsang vagus memperlahankan jantung kedua. Apakah yang ditunjukkan oleh ini?
A deletion removes exactly three bases, forming one whole codon, from the middle of a gene. What is the most likely result?
A leaf with green and white areas is kept in light and then tested with iodine. Only the green areas turn blue-black. What does this show?
Normal saline (0.9% NaCl) is used for IV fluids. How is it described compared with blood?
Carbon-12 and carbon-14 react in exactly the same way in chemical reactions. Why?
What kind of sentence is this? “The alarm rang, and everyone left the building.”
Which revision makes the list parallel? “The nurse’s duties include giving medications, to chart vitals and the education of patients.”
Choose the meaning of the word in bold: “The older man had an episode of syncope in the shower.”
Which word means “difficult or laboured breathing”?
Jawapan: B · A primary source, such as a memoir
A first-hand account by someone who lived the events is a primary source. A textbook summarising others’ accounts would be secondary.
Jawapan: B · Fame is not expertise in skin care.
Being famous does not make someone an expert on skin care, and she may be paid to promote it. This is an appeal to a celebrity, not real evidence.
Jawapan: 9/20
Pecahan, perpuluhan dan peratus ialah tiga cara menulis nombor yang sama. Pecahan → perpuluhan: bahagikan pengangka dengan penyebut. Perpuluhan → peratus: darabkan dengan 100 (alihkan titik dua tempat ke kanan). Peratus → perpuluhan: bahagikan dengan 100. Perpuluhan → pecahan: tulis digit di atas 10, 100 atau 1000 (satu sifar bagi setiap tempat perpuluhan) dan permudahkan.
Jawapan: 4 27/100
Pecahan, perpuluhan dan peratus ialah tiga cara menulis nombor yang sama. Pecahan → perpuluhan: bahagikan pengangka dengan penyebut. Perpuluhan → peratus: darabkan dengan 100 (alihkan titik dua tempat ke kanan). Peratus → perpuluhan: bahagikan dengan 100. Perpuluhan → pecahan: tulis digit di atas 10, 100 atau 1000 (satu sifar bagi setiap tempat perpuluhan) dan permudahkan.
Jawapan: C · Korpus kalosum
Korpus kalosum ialah komisur terbesar, yang menghubungkan kawasan sepadan pada kedua-dua hemisfera. Kapsul dalaman pula membawa gentian unjuran ke atas dan ke bawah.
Jawapan: B · Arteri meningeal tengah
Arteri meningeal tengah terletak di bawah pterion, tempat tengkorak nipis. Pecahnya menyebabkan pendarahan antara tulang dan dura. Vena penghubung menyebabkan hematoma subdural.
Jawapan: D · Tempoh refraktorinya yang panjang berlangsung hampir sama lama dengan pengecutan
Dataran potensi tindakan jantung memberikan tempoh refraktori yang panjang, maka otot mengendur sebelum ia boleh dirangsang semula. Ini membolehkan jantung terisi semula.
Jawapan: C · Saraf menyampaikan isyarat kepada sasarannya dengan membebaskan bahan kimia
Cecair itu membawa "Vagusstoff", yang kemudian dikenal pasti sebagai asetilkolin. Ini bukti jelas pertama untuk penghantaran neuro kimia.
Jawapan: A · The protein lacks one amino acid but the rest is unchanged
Because three bases are removed, the codons after the deletion are still read in the correct frame. The protein loses one amino acid, which may or may not affect its function.
Jawapan: A · Chlorophyll is needed for photosynthesis
Iodine turns blue-black in the presence of starch, a product of photosynthesis. Starch formed only in the green parts, which contain chlorophyll, so chlorophyll is required.
Jawapan: C · Isotonic
0.9% NaCl has about the same solute concentration as blood plasma, so it is isotonic. Water moves equally in and out of red blood cells, which keep their normal shape.
Jawapan: A · They have the same number of protons and electrons
Isotopes of one element have the same number of protons and therefore the same electron arrangement, which controls chemistry. They differ only in neutrons, which affects mass and nuclear stability.
Jawapan: B · Compound
Two independent clauses joined by a comma and the coordinating conjunction “and” form a compound sentence.
Jawapan: A · giving medications, charting vitals and educating patients
In A all three items are gerund phrases (giving, charting, educating). The other options mix gerunds, infinitives and nouns.
Jawapan: C · Fainting
Syncope is a temporary loss of consciousness caused by reduced blood flow to the brain.
Jawapan: C · Dyspnoea
Dyspnoea (US: dyspnea) means difficult breathing; apnoea is absence of breathing and eupnoea is normal breathing.
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