The ingestion and destruction of microorganisms or other small particles is called
pinocytosis.
exocytosis.
diapedesis.
phagocytosis.
The Correct Answer is D
A. pinocytosis: Often called "cell drinking," this is the ingestion of extracellular fluid and dissolved solutes.
B. exocytosis: This is the process of expelling substances out of the cell.
C. diapedesis: This is the movement of white blood cells through intact capillary walls into surrounding tissue.
D. phagocytosis: Often called "cell eating," this is the process by which a cell (like a macrophage) engulfs and digests large particles or bacteria.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. neoplasms: This refers to tumors or new, abnormal growths of tissue, which can be cancerous or benign.
B. Paget's disease: This involves irregular bone remodeling leading to enlarged and deformed bones, but it is not defined primarily by a simple loss of density.
C. osteoporosis: This is the classic age-related condition where bone resorption exceeds bone formation, leading to porous, brittle bones.
D. osteomalacia: This is a softening of the bones, typically due to a vitamin D deficiency, often called "rickets" in children.
Correct Answer is C
Explanation
A. oxytocin: This is a peptide (nonsteroid) hormone produced by the hypothalamus and released by the posterior pituitary.
B. calcitonin: This is a polypeptide (nonsteroid) hormone produced by the thyroid gland.
C. cortisol: This is a steroid hormone produced by the adrenal cortex. Steroid hormones are derived from cholesterol and are lipid-soluble.
D. glucagon: This is a protein (nonsteroid) hormone produced by the alpha cells of the pancreas.
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