A tropic hormone prevents endocrine glands from releasing their hormones, thereby
maintaining homeostasis.
Indicate whether the statement is true or false
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Question 2) Universal precautions are
A) rules used to avoid mismatched blood types in transfusions.
B) specific measures that health-care workers should take to prevent transmission of
bloodborne pathogens in the workplace.
C) the careful administration of clotting factors to stop bleeding during surgery.
D) specific measures that astronauts take in space to avoid leaving microorganisms
beyond the Earth.
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Question 3) A vaccine can halt an infection in a population in which most everyone is vaccinated,
due to
A) herd immunity.
B) bovine immunity.
C) an epidemic of autoimmunity.
D) people keeping away from each other.
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Question 4) Tim runs 5 to 8 miles a day. He has an enlarged heart and low heart rate and blood
pressure. He most likely has
A) atherosclerosis.
B) an arrhythmia.
C) a very healthy cardiovascular system.
D) coronary artery disease.
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Question 5) Heart valve cells can be damaged through
A) autoimmunity. B) specific immunity.
C) passive immunity. D) innate immunity.
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Question 6) Which of the following is not a normal response to physical exercise?
A) Increased blood flow to the skeletal muscles
B) Increased heart rate
C) Increased ventricular contraction
D) Increased blood flow to the abdominal viscera
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Question 7) A person with type AB blood can successfully receive blood from a person with type
___________ blood.
A) all of the above B) O
C) B D) A
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Question 8) Steroid hormones diffuse through cell membranes, then bind with receptors, whereas
nonsteroid hormones bind receptors on the target cell membrane.
Indicate whether the statement is true or false
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Question 9) Newborns can acquire __________ immunity through breast milk.
A) innate B) active C) passive D) specific
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Question 10) A person with type A blood can successfully donate blood to a person with type
________ blood.
A) none of the above B) A
C) B D) O
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