Bank/ EXAM QUESTIONS AND ANSWERS
SOLVED 100% CORRECT
What does the study of disease processes aid in understanding?
Ans: Normal functions.
Quiz What do Phase IV clinical drug trials involve?
Ans: Testing a drug only on the specific human population who have the condition that the drug
is intended to treat.
Quiz What is the result of negative feedback?
Ans: A response that opposes the original deviation from normal.
Quiz Is blood clotting an example of positive feedback?
Ans: Yes, because the action of the effector enhances the stimulus.
,Quiz What is the purpose of daily thyroid hormone replacement medication?
Ans: To maintain normal thyroid hormone levels.
Quiz What does stratified epithelial tissue provide?
Ans: Protection, but it does not transport substances between the internal and external
environments.
Quiz What is the function of sebaceous glands?
Ans: To lubricate the skin.
Quiz Can enamel be regenerated?
Ans: No, enamel cannot be regenerated.
Quiz How can motor nerve fibers in the skin regulate blood flow?
Ans: By affecting the diameter of cutaneous blood vessels.
Quiz Are blood plasma and interstitial fluid separated from each other?
,Ans: Yes, but there is communication and exchange between these fluids.
Quiz What does physiology emphasize?
Ans: Cause-and-effect mechanisms.
Quiz What is the study of how disease or injury alters physiological processes called?
Ans: Pathophysiology.
Quiz What is the first step in the scientific method?
Ans: The formation of a hypothesis.
Quiz Which phase of clinical trials maximizes the number of test participants?
Ans: Phase III clinical trials.
Quiz What do Phase I clinical trials NOT involve?
Ans: Testing on the target human population.
Quiz What is the term for measurements in an experiment where the subject's group status is
unknown?
, Ans: Blind measurement.
Quiz What makes a hypothesis scientific?
Ans: It can be tested.
Quiz What must a theory be based on to be considered scientific?
Ans: Reproducible data.
Quiz What is the normal range of blood glucose concentration after fasting?
Ans: Approximately 70 to 99 mg/100 ml.
Quiz What is the normal range of arterial blood pH?
Ans: 7.35-7.45.
Quiz In a feedback loop, what does the integrating center send information to?
Ans: The effector.
Quiz What are the regulators of effectors in most feedback loops?