Formula sheets, the key method steps for every topic and 16 practice problems, with full solutions at the back.
“Some people say that cats are unfriendly. My cat, Pepper, waits by the door every evening and sits on my lap while I read.” How does the writer use Pepper?
“Many people think nurses simply follow doctors’ orders. In reality, nurses assess patients, plan care, teach families and often notice early warning signs before anyone else.” What is the author’s main purpose?
Which fraction or mixed number in lowest terms equals the decimal 0.62? Click it.
The table shows the number of volunteers at centres A, B and C in 2024 and 2025. What percent p of all 2025 volunteers were at centre C? Round to the nearest whole number.
Which cranial nerve supplies the lateral rectus muscle of the eye?
After a difficult delivery with traction on the neck, a baby's arm hangs by the side, internally rotated with the forearm pronated ("waiter's tip"). Which part of the brachial plexus is injured?
What causes the first heart sound (S1)?
In the renin–angiotensin–aldosterone system, where is angiotensin I mainly converted to angiotensin II?
Why do the palisade cells near the top surface of a leaf contain many chloroplasts?
A child's DNA profile has bands A, B, C and D. The mother has bands A and C. Man 1 has bands B and D, man 2 has A and E, and man 3 has C and F. Which man could be the biological father?
How should the volume of water in a graduated cylinder be read?
A small amount of acid is spilled on a lab bench. Why is a weak base such as sodium bicarbonate preferred over strong NaOH to neutralise it?
Choose the correct preposition: “She is capable ___ handling emergencies.”
Choose the correct verb for formal writing: “She is one of those nurses who ___ never late.”
Choose the meaning of the word in bold: “The patient’s blood pressure was labile throughout the night.”
Which word means “a surgical puncture of the abdominal cavity to remove fluid”?
Answer: A · As an example that goes against the claim
The writer describes a friendly cat to argue against the claim that cats are unfriendly. One cat cannot prove a general rule, but it serves as a counter-example.
Answer: D · To challenge a narrow view of nursing
The author corrects the view that nurses only follow orders by describing the wide range of their responsibilities.
Answer: 31/50
Fractions, decimals and percents are three ways to write the same number. Fraction → decimal: divide the numerator by the denominator. Decimal → percent: multiply by 100 (move the point two places right). Percent → decimal: divide by 100. Decimal → fraction: write the digits over 10, 100 or 1000 (one zero per decimal place) and simplify.
Answer: p = 12 %
Percent means per hundred: p% of a number is (p/100) × the number. To find what percent A is of B, divide A by B and multiply by 100. A percent change compares the change with the original value: percent change = (new − original)/original × 100.
Answer: D · Abducens nerve (VI)
The abducens nerve (VI) supplies lateral rectus. A lesion stops the eye moving outwards and causes horizontal double vision.
Answer: A · Upper trunk (C5–C6)
Erb's palsy follows stretching of the upper trunk (C5–C6), paralysing deltoid, the external rotators and biceps. Lower trunk injury (Klumpke's) affects the small hand muscles instead.
Answer: C · Closure of the mitral and tricuspid valves
S1 ("lub") is caused by closure of the atrioventricular valves at the start of systole. S2 ("dub") is closure of the semilunar valves.
Answer: C · In the lungs
Renin (kidney) cleaves angiotensinogen (liver) to angiotensin I, which ACE, mainly on pulmonary capillary endothelium, converts to angiotensin II.
Answer: B · They get the most light and do most of the photosynthesis
Palisade cells lie just below the upper surface, where light is strongest. Packing them with chloroplasts lets the leaf capture as much light as possible for photosynthesis.
Answer: B · Man 1
Bands A and C can come from the mother, so B and D must come from the father. Only man 1 has both B and D. Real tests use many more DNA regions than this simple example.
Answer: D · 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.
Answer: A · Excess sodium bicarbonate is far less harmful than excess NaOH
It is hard to add exactly the right amount. Excess bicarbonate is only mildly basic, while excess NaOH is itself corrosive. The fizzing of CO₂ also shows when neutralisation is complete.
Answer: A · of
The fixed expression is “capable of” + noun or -ing form.
Answer: B · are
“Who” refers to “those nurses”, not to “one”, so the verb in the clause is plural: “nurses who are never late”.
Answer: A · Changing quickly and often
Labile means unstable and easily changed, for example a blood pressure that keeps going up and down.
Answer: B · Paracentesis
Paracentesis removes fluid from the abdominal cavity; thoracentesis removes fluid from the chest.
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