Which connective tissue cells produce antibodies?
A. Mast cells
B. Fibroblasts
C. Plasma cells
D. Mesenchymal cells
E. Fixed macrophages
C
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A drowning victim will likely experience a period of ________ until resuscitation begins
A) acute respiratory acidosis B) acute respiratory alkalosis C) chronic respiratory alkalosis D) metabolic acidosis E) metabolic alkalosis
When damaged hepatocytes are permanently replaced by connective tissue the condition is called:
a. hepatitis b. liver cancer c. biliary choletis d. pancreatitis e. cirrhosis
During thyroid hormone secretion,
a. the follicular cells phagocytize a piece of colloid. b. T4 and T3 are split off of thyroglobulin by lysosomal enzymes within the follicular cell and subsequently diffuse out of the cell into the blood. c. T4 and T3 are secreted by exocytosis of the colloid that has been internalized by the follicular cells. d. both (a) and (b) above. e. both (a) and (c) above.
How does the avascular cornea acquire oxygen?
A. Oxygen diffuses from the atmosphere to the cornea. B. The ciliary body provides oxygen to the cornea. C. Oxygen diffuses from the capillaries in the iris to the cornea. D. Lysozyme in tears releases oxygen to nourish the cornea.