Hepatic Kupffer cells:
a. Degrade bilirubin
b. Have round, euchromatic nuclei and a cuboidal-shaped cytoplasm
c. Phagocytize dying red blood cells
d. Store vitamin A
e. Synthesize angiotensinogen
ANS: C
Kupffer cells are phagocytes that ingest both foreign antigens and dying red blood cells
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The acromioclavicular joint is part of the
A. sternum. B. shoulder. C. elbow. D. neck. E. cranium.
Sertoli cells do not
a. secrete seminiferous tubule fluid b. allow spermatogonia to perform meiosis c. secrete melatonin d. secrete inhibin e. protect sperm cells
Both astrocytes and microglial cells have cytoplasm extensions. Explain how you can distinguish the two types of cells microscopically
A) Astrocytes are associated with capillaries. B) Microglial cells are found in the peripheral nervous system. C) Astrocytes cover the cell bodies of unipolar neurons. D) Microglial cells myelinate the axons of motor neurons.
When arterial blood pressure is measured in the arm with a sphygmomanometer, which vessel is used to measure pressure?
A) axillary artery B) brachial artery C) ulnar artery D) subclavian artery