Fever is caused by neurotransmitters released by pathogens.
Indicate whether the statement is true or false.
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Question 2) Kassie is allergic to bee stings. During a play date at the park, she gets stung and goes into anaphylactic shock while she's playing with her friends. Which of the following is a by-product of Kassie's anaphylaxis?
A) understimulation of basophils B) the production of histamines stops
C) overstimulation of mast cells D) high blood pressure
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Question 3) The standard HIV test detects HIV antibodies rather than the virus itself. When a person becomes infected with HIV, it takes a few weeks for the HIV test to indicate a positive result.
The period between one's infection date and the point at which a test shows a positive result is called
the window period. Based on the information provided, which of the following processes
occurs during the window period?
A) cell-mediated immunity B) humoral immunity
C) secondary response D) regulatory T-cell function
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Question 4) Which of the following statements is true about positive and negative lymphocyte selection?
A) Only positive selection is needed for proper functioning of the immune system.
B) It is necessary to have lymphocytes that can fight foreign objects in the body without
harming its own tissues.
C) In both instances, lymphocytes die after they do their job.
D) In both instances, antigens do not recognize pathogens in the body.
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Question 5) Seven-year-old Rebecca has a cold. Which of the following occurs first?
A) The release of natural killer cells to induce inflammation
B) The release of neutrophils to engulf any foreign objects
C) The release of macrophages to attack the cold virus
D) The release of white blood cells to cause viral membranes to rupture
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Question 6) A patient presents in the Emergency Room after he's been in a car accident. Because he is complaining about severe headaches, you suspect localized bleeding in his cranium. Moreover, you run tests and notice major swelling in this area.
Which course of action should be a priority?
A) Increasing pressure in the area to decrease bleeding
B) Increasing the temperature in the cranial area to induce a fever
C) Decreasing inflammation to prevent tissue damage
D) Inducing local vasodilation
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Question 7) In this stage of cancer, spread to nearby lymph nodes is present.
A) Stage I B) Stage II C) Stage III D) Stage IV
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Question 8) This stage of cancer is often terminal and is the most difficult to treat.
A) Stage I B) Stage II C) Stage III D) Stage IV
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Question 9) In this stage of cancer, no spread from the origin is present.
A) Stage I B) Stage II C) Stage III D) Stage IV
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Question 10) The signs and symptoms of inflammation include all of the following except ________.
A) Redness B) Swelling C) Pain D) Cold
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