The region of the optic nerve lacking photoreceptor cells is known as the ________.
A) retina
B) optic disc (blind spot)
C) choroid
D) iris
Answer: B) optic disc (blind spot)
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The study of body function in a disease state is
A) pathophysiology. B) microbiology. C) necrology. D) physiology. E) histology.
The ________ reflex inhibits gastric motility.
A. gastroileal B. GIP C. GLP-1 D. ileogastric
Which chemical factors in blood or cerebrospinal fluid stimulate the respiratory centers?
A) Ca2+, Na+, and K+ concentrations B) Cl-, Na+, and K+ concentrations C) pH, PO2, and PCO2 concentrations D) PO2, glucose, and lactate concentrations E) hematocrit, glucose, PO2, and PCO2 concentrations
The tract that carries sensations from muscle spindles to the CNS is the __________.
posterior column anterior spinothalamic lateral spinothalamic spinocerebellar