Light passes through the entire thickness of the neural layer of the retina to excite the photoreceptors
Indicate whether the statement is true or false
TRUE
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The alveolar cell that secretes pulmonary surfactant is the
A. alveolar type II cell. B. alveolar type I cell. C. alveolar macrophage. D. dust cell. E. squamous alveolar cell.
Chemical mediators of inflammation include which of the following?
a. kinins, opsonins, epinephrine, and leukotrienes b. epinephrine, norepinephrine, acetylcholine, and histamine c. histamine, heparin, prostaglandins, and complement d. all of the listed responses are correct
Axons give rise to branches called ________
A) axon terminals B) initial segments C) collaterals D) dendrites
What stimulus initiates the defecation reflex?
A) release of secretin and cholecystokinin (CCK) by the small intestine B) pressure on the gastroesophageal sphincter C) the stretch of the rectum D) presence of acid in the stomach