The neural pathway for a reflex is called ________
A) an autonomic reflex
B) a somatic reflex
C) a reflex arc
D) an intrinsic reflex
Answer: C
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The floor of the orbital complex is formed mainly by the
A) maxilla. B) ethmoid. C) zygomatic. D) sphenoid. E) frontal.
The bony portion of the nasal septum is formed by the
A) nasal bones. B) perpendicular plate of the ethmoid bone. C) perpendicular plate of the ethmoid and vomer bone. D) vomer and sphenoid bone. E) perpendicular plate of the ethmoid and sphenoid bone.
Natriuretic peptide inhibits ________ reabsorption by the collecting duct, which ________ urine output
A) NaCl; decreases B) Ca2+; increases C) K+; decreases D) K+; increases E) NaCl; increases
Which statement correctly describes what happens during inspiration?
A. The external intercostal and sternocleidomastoid muscles contract to expand the rib cage and the diaphragm contracts to flatten its dome shape. B. The external intercostal, pectoralis major, and sternocleidomastoid muscles contract to expand the rib cage and the diaphragm relaxes to flatten its dome shape. C. The external intercostal, pectoralis major, and sternocleidomastoid muscles contract to expand the rib cage and the diaphragm contracts to flatten its dome shape. D. The external intercostal, pectoralis minor, and sternocleidomastoid muscles contract to expand the rib cage and the diaphragm contracts to flatten its dome shape.