Why does your mouth suddenly "go dry" when you are about to deliver a presentation to a large crowd?
A. Parasympathetic activity stimulates salivation.
B. Parasympathetic activity inhibits salivation.
C. Sympathetic activity stimulates salivation.
D. Sympathetic activity inhibits salivation.
Answer: D. Sympathetic activity inhibits salivation.
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Farsightedness is also known as ________
A) Hyperopia B) Myopia C) Presbyopia D) Amblyopia
Lactose intolerance is caused by an amylase deficiency.
Answer the following statement true (T) or false (F)
Understanding tissue structure and function is important because:
A) There is a relationship between the structure of each tissue type (how it is organized) and its function (what it does). B) There is a relationship between tissue structure and organ function. C) Many diseases and pathologies are tissue and cell type specific. D) Changes at the tissue level affect the function of organs. E) All of these are correct.
An increase in dead space results in
A. a decrease in alveolar ventilation but an increase in pulmonary ventilation. B. increases in both alveolar and pulmonary ventilation. C. a decrease in alveolar ventilation but no change in pulmonary ventilation. D. decreases in both alveolar and pulmonary ventilation. E. an increase in alveolar ventilation but no change in pulmonary ventilation. F. an increase in alveolar ventilation but a decrease in pulmonary ventilation.