Which combination of substances would cause the greatest stimulation of gastric HCl secretion when applied to parietal cells?
A. somatostatin, gastrin, and histamine
B. acetylcholine, histamine, and somatostatin
C. somatostatin and acetylcholine
D. gastrin, histamine, and acetylcholine
E. histamine and gastrin
D
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Which of the following would cause a decrease in the excretion of Na+ and water?
A. Increased mean arterial blood pressure B. Decreased aldosterone secretion C. Increased atrial distension D. Increased hydrostatic pressure in the afferent renal arterioles E. Decreased atrial natriuretic peptide secretion
Endemic is to enzootic as epidemic is to ____________
Fill in the blank(s) with correct word
The ________ and ________ are part of the respiratory system
A) bronchi, thymus B) testes, ovaries C) lungs, esophagus D) alveoli, trachea
Compare the submucosal neural plexus with the myenteric plexus
A) The submucosal neural plexus and the myenteric plexus both contain neurons but the submucosal neural plexus innervates the mucosa only, whereas the myenteric plexus innervates the serosa only. B) The submucosal neural plexus contains only sensory neurons, whereas the myenteric plexus contains only motor neurons. C) The submucosal neural plexus and the myenteric plexus are both intricate capillary beds found in the layers of the digestive tract. D) The submucosal neural plexus and the myenteric plexus both contain neurons but the submucosal neural plexus innervates the mucosa and submucosa, whereas the myenteric plexus innervates the muscular layer. E) The submucosal neural plexus contains only motor neurons, whereas the myenteric plexus contains only sensory neurons.