Multiple Choice
In electrical synapses, nerve impulse transmission occurs between cells of the CNS and PNS without any delay due to ________.
A) the presence of a neuromuscular synapse between the cells
B) communicating junctions that permit the passage of ions between the cells
C) the activity of Schwann cells
D) the number of neurons in the chain
E) the effects of an energy drink
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Cerebrospinal fluid is produced by _.<br>A) astrocytes<br>B)
Q21: Figure 13.1<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 13.1
Q22: Receptors may be classified as _.<br>A) effectors
Q23: Figure 13.2<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 13.2
Q24: Over 50 different neurotransmitters have been identified,
Q26: Injured neurons can fully recover their functional
Q27: How do the functions of Schwann cells
Q28: Figure 13.2<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4856/.jpg" alt="Figure 13.2
Q29: Astrocytes function in maintaining the blood-brain barrier,
Q30: Glial cells are roughly _ times more