Formula sheets, the key method steps for every topic and 16 practice problems, with full solutions at the back.
“Maria ran to the window every time a car passed. At last, a red truck pulled into the driveway, and she rushed to the door shouting, ‘Dad’s home!’” What can you infer?
“By 1900, cities were growing fast. Factories drew workers from farms, and crowded housing led to the spread of disease.” Which cause-and-effect chain does the passage describe?
The line graph shows the outdoor temperature every 2 hours, from hour 0 to hour 10. By how much Δ did the value change from hour 6 to hour 8? Use a negative number for a decrease.
The pie chart shows how a hospital’s 400 employees are split between departments A to E. How many more employees x work in department C than in department A?
Which part of the stomach connects to the duodenum?
After a stroke, a patient speaks fluently but uses meaningless words and cannot understand speech. Where is the lesion most likely to be?
During which phase of the cardiac cycle are all four heart valves closed while ventricular pressure rises?
A healthy person stands up quickly after lying down. Which reflex response prevents fainting?
What happens in the lytic cycle of a virus?
A patient with type A blood is given type B red blood cells by mistake. What is the cause of the reaction that follows?
What is the formula of aluminium oxide, made of Al³⁺ and O²⁻ ions?
Why does a sodium ion (Na⁺) have almost the same mass as a sodium atom?
Choose the correct pronoun: “The test was harder for my brother than for ___.”
Which choice is the active-voice version of “The report was written by the charge nurse.”?
Choose the meaning of the word in bold: “The child had an abscess on her arm.”
Choose the meaning of the word in bold: “The patient reported hallucinations during the night.”
Answer: B · Maria had been waiting eagerly for her father.
Running to the window repeatedly and rushing to the door show that she was eagerly waiting for her father to come home.
Answer: B · Factories brought workers, crowding followed, disease spread.
Factories attracted workers to cities, which caused crowded housing, which in turn helped disease spread.
Answer: Δ = 2 °C
Reading charts and tables: read the title, the categories and the scale first. On a bar chart or line graph, follow the top of the bar or the point across to the vertical axis; every gridline is one step of the scale. A pie chart shows parts of a whole: a sector of p% stands for p% of the total and has an angle of p% of 360°.
Answer: x = 120
Reading charts and tables: read the title, the categories and the scale first. On a bar chart or line graph, follow the top of the bar or the point across to the vertical axis; every gridline is one step of the scale. A pie chart shows parts of a whole: a sector of p% stands for p% of the total and has an angle of p% of 360°.
Answer: D · Pylorus
The pylorus is the distal stomach. Its pyloric sphincter regulates the passage of chyme into the duodenum.
Answer: B · Posterior superior temporal gyrus of the dominant hemisphere
This is Wernicke's (receptive) aphasia, caused by damage to Wernicke's area in the posterior superior temporal gyrus. Broca's area in the inferior frontal gyrus causes non-fluent aphasia.
Answer: C · Isovolumetric contraction
After the AV valves close, the ventricles contract against closed semilunar valves. Pressure rises with no volume change until the aortic and pulmonary valves open.
Answer: A · The baroreceptor reflex raises heart rate and vasoconstriction
Blood pools in the legs and pressure falls; baroreceptors fire less, which increases sympathetic and decreases vagal activity within seconds, raising heart rate and vascular tone.
Answer: A · The virus makes many copies in the host cell, which then bursts
In the lytic cycle the virus takes over the cell, makes new virus particles and bursts (lyses) the cell to release them. In the lysogenic cycle the viral DNA hides in the host genome before becoming active later.
Answer: D · Anti-B antibodies in the patient's plasma attack the donor cells
Type A people have anti-B antibodies. These bind to the B antigens on the donor cells, causing them to clump and break down, which is a haemolytic transfusion reaction.
Answer: B · Al₂O₃
Two Al³⁺ give +6 and three O²⁻ give −6, so the neutral formula is Al₂O₃.
Answer: B · The only difference is one electron, which has a tiny mass
Na⁺ forms when a sodium atom loses one electron. An electron's mass is about 1/1836 of a proton's, so the mass barely changes; the nucleus stays the same.
Answer: A · me
The object of a preposition takes the object form, so “for me” is correct, just as “for my brother” is.
Answer: D · The charge nurse wrote the report.
In A the doer (the charge nurse) is the subject and performs the action. B, C and D still use a form of “be” plus the past participle, so they are passive.
Answer: B · A collection of pus in the tissues
An abscess is a swollen, painful pocket of pus caused by infection.
Answer: A · Seeing or hearing things that are not there
Hallucinations are perceptions without a real stimulus; fixed false beliefs are called delusions.
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