The receptor potential is generated at the _______
A) conducting region
B) receiving region
C) secretory region
D) output region
Ans: B) receiving region
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A person slams their fingers in a door. Their fingernails are damaged near the lunula, forming large white ovals at the site of the injury. As time progresses, what happens to the damaged (white) area?
A. The white ovals will split vertically and each half will gradually move toward the lateral (horizontal) edges of the nails. B. The white ovals will gradually move upward toward the free edge of the nail and then be worn away with the free nail edge. C. The white ovals will be pushed up and out of the nail as raised bumps, with that section of nail eventually peeling off. D. The white ovals will slowly dissipate and disappear as the damage is replaced from underneath via the nail bed.
The reflex movement of the head toward a loud noise is directed by the mesencephalon. Which nuclei accomplish this?
A) substantia nigra B) red nuclei C) tectum D) superior colliculi E) inferior colliculi
Which is not correct regarding the pelvis?
A. There are two sacroiliac articulations. B. The pelvic girdle protects the viscera of the pelvic cavity. C. In anatomic position, the pubis is posterior and inferior to the ischium. D. The pelvis includes the sacrum. E. The adult pelvis is composed of four bones.
Which of the following is a change that occurs in fetal circulation at birth?
A. Ductus venosus continues to carry blood to the liver B. Foramen ovale closes to become the fossa ovalis C. Umbilical arteries become the fossa ovalis D. Ductus arteriosis opens