If a person is bedridden for several days, the baroreceptor reflex may fail upon standing. Why?
A) The kidneys have reduced the blood volume.
B) Blood pools in the feet and legs and there is reduced blood flow to the brain.
C) Blood pools in the feet and legs.
D) There is reduced blood flow to the brain.
E) All of the statements are correct.
A) The kidneys have reduced the blood volume.
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The thyroid gland develops from which of the following germ layers during embryonic development?
a) Mesoderm b) Endoderm c) Ectoderm d) A combination of two of the layers e) None of the answer selections are correct
Structure F on the skin diagram is a(n)
A) oil gland.
B) sweat gland.
C) sensory receptor.
D) wax gland.
E) naked nerve ending.
Which number indicates a dermal papilla?
A. 1 B. 2 C. 3 D. 4 E. 5
This primary curvature of the spine is located in the chest region
A) lumbar B) sacral C) cervical D) thoracic