NEW exam revision Questions taken from 2011 to 2022 exam papers • Great for exam Prep. Helps you see what questions are likely to be asked (Contains Questions Only)
1.1 Discuss the formation of pus. (4)
1.2 Summarize the four major blood types and the antibodies associated with each. (8)
1.3 Discuss the major causes that lead to the development of anemia. (5)
1.4 Acquired Immune Deficiency Syndrome (AIDS) causes the lack of a basic resistance
mechanism. Explain how AIDS is caused by the human immunodeficiency virus (HIV). (5)
1.5 Identify the major routes of HIV transmission. (4)
1.6 Briefly discuss the types of transplant reactions. (4)
[30]
QUESTION 2
During a hot summer day, you have begun sweating to promote heat loss from the skin surface.
Discuss the mechanism involved in this process in full. [10]
QUESTION 3
Sketch and describe antigen presentation to Helper T cells by B cells. (Include a paragraph
below the sketch) [10]
QUESTION 4
Illustrate the sequence of events leading to the formation of a platelet plug by means of your
own flow diagram. [10]
QUESTION 5
Tabulate five white blood cells produced in the bone marrow and all their functions. [10]
QUESTION 6
Apply your knowledge to the following scenarios:
6.1 Patient A has received a blood transfusion after a car accident. A mistake was made and
the wrong blood type was given to patient A. Explain why this is life-threatening as well as
how the kidneys will be affected. (10)
6.2 Patient B has been admitted to hospital suffering from a fever. Explain the physiology
behind a fever in detail. Additionally explain the difference between fever and
hyperthermia. (10)
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6.3 Patient C has been admitted to hospital to undergo a heart transplant. During the operation
care must be taken to avoid the blood from coagulating in the pipes of the heart-lung
machine. Explain in detail how blood coagulation outside the body can be prevented. (10)
[30]
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