List the six types of epithelial cells associated with gastric glands. Briefly describe each one's role in the stomach.
What will be an ideal response?
Parietal cells secrete HCl and intrinsic factor; chief cells secrete pepsinogen; D cells secrete somatostatin; ECL cells secrete histamine; G cells secrete gastrin; mucous cells secrete mucus and bicarbonate.
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Actin and myosin work together to allow
A) Movement of vesicles throughout the cell. B) Movement of muscle. C) Movement of the cell itself. D) All of the above
What is one difference between visceral reflexes and somatic reflexes?
A. Visceral reflexes do not require interneurons in the CNS, whereas most somatic reflexes do. B. Visceral reflexes do not require afferent neurons, whereas somatic reflexes do. C. Visceral reflexes are unconscious while somatic reflexes are conscious. D. Visceral reflexes are stereotyped whereas somatic reflexes are unpredictable. E. Visceral reflexes involve somewhat slower responses than somatic reflexes.
T cells migrate from the red bone marrow to what organ to mature?
A. Tonsils B. Spleen C. Thymus D. Peyer's patches
The largest shield-shaped cartilage of the larynx is the ________ cartilage
A) thyroid B) cricoid C) cuneiform D) arytenoid E) epiglottal