WACE Human Biology Unit 3 homeostasis and disease: exam-style practice quiz
12 questions. Pick an answer and you'll see why right away. Options are shuffled each attempt, and the review at the end links each missed question to the dot point to revise.
A runner's core body temperature rises during a race on a hot day. Which combination of responses helps return it to normal?
Which structure acts as the control centre in the negative feedback loop that regulates body temperature?
A graph shows a person's blood glucose rising sharply 30 minutes after a meal and then returning to normal over the next two hours. Which hormone, from which cells, is mainly responsible for the fall?
After a long hike with no water, a person's blood becomes more concentrated. Which response is expected?
During the depolarisation phase of an action potential:
Why does a nerve impulse pass in only one direction across a synapse?
Which response is produced by the sympathetic division of the autonomic nervous system?
Which statement correctly distinguishes type 1 and type 2 diabetes?
A graph of antibody concentration shows a slow, small rise after a first exposure to an antigen and a rapid, much larger rise after a second exposure. The best explanation for the second response is:
A person with a deep, dirty wound who has not been vaccinated is given an injection of antibodies against tetanus toxin. This is an example of:
In a town of 20 000 people, 50 new cases of a disease were diagnosed during 2025, and 300 people were living with the disease on 31 December 2025. Which statement is correct?
Which explanation of the rise of antibiotic-resistant bacteria is correct?