CARN AP UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A PLUS

CARN AP LICENSURE UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS
GRADED A PLUS
CARN AP Licensure Preparation TEST Paper
2026/2027 Complete Actual Questions Questions and
Answers Verified Solutions Latest Update

Question:
oligodendrocytes.

Answer:
form myelin sheaths in CNS



Question:
microglia.

Answer:
phagocytic immune cells



Question:
ependymal cells.

Answer:
line cavities of CNS produce and circulate cerebrospinal fluid



Question:
satellite cells.

Answer:
in ganglia support and regulate chemical environment in PNS



Question:
schwann cells.

, Answer:
form myelin sheath in PNS



Question:
Nissl substance.

Answer:
RER found in cell body and dendrites, but not axon of neurons.



Question:
depolarization.

Answer:
starts by opening of voltage gated NA channels membrane potential moves from -70 to +30



Question:
Repolarization.

Answer:
Na channels close and K channels open to let K exit the cell so that the loss of positive ions returns
membrane potential to -70mV



Question:
hyperpolarization.

Answer:
K channels close and membrane potential goes to -80



Question:
Return to Resting Potential.

Answer: