Bacteria-destroying macrophages called Kupffer cells are found in the sinusoids of which of the following?
A. The liver
B. The pancreas
C. The intestinal crypts
D. The gastric glands
E. The appendix
A. The liver
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Which of the following describes the action of the digastric muscle?
A) elevates the larynx B) elevates the larynx and depresses the mandible C) depresses the larynx D) depresses and retracts the tongue E) elevates the mandible
The classification of reflexes according to their development includes innate and ________ reflexes.
Fill in the blank(s) with the appropriate word(s).
Which of the following is an example of a nonspecific immune defense??
A) ?Inoculation B) ?Skin C) ?Antibody D) ?Antigen
Sensory nerve cells, parasympathetic ganglia, and sympathetic postganglionic fibers can be found in the
A) mucosa. B) serosa. C) adventitia. D) submucosal plexus. E) lamina propria.