What are the collections of lymphatic tissue found in the submucosa of the small intestine?
A) parietal cells
B) Peyer's patches
C) villi
D) enteroendocrine cells
B
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Which of the following cartilages is largest?
A) Arytenoid cartilage B) Epiglottic cartilage C) Thyroid cartilage D) Corniculate cartilage E) Cricoid cartilage
The exchange of oxygen and carbon dioxide between air in pulmonary alveoli and blood in capillaries occurs by ________.
A. filtration B. osmosis C. diffusion D. active transport
Receptive relaxation refers to relaxation of the
a. pharyngoesophageal sphincter during swallowing b. pyloric sphincter when the duodenum is prepared to receive the chyme c. external anal sphincter when the individual is receptive to the defecation reflex d. stomach as it starts to fill, thereby allowing an increase in volume with very little increase in pressure e. none of the above
The infundibulum is a ________.
A. projection of the hypothalamus from which the pituitary gland hangs B. portal system between the hypothalamus and the pituitary gland C. mass of endocrine and neural cells D. bulky nucleus composed of the paraventricular nucleus and the supraoptic nucleus E. depression of the sphenoid bone that protects the pituitary gland