Some inhibitory neurotransmitters exert their effect by causing the opening of chloride channels, which results in the postsynaptic membrane becoming more negative
Indicate whether this statement is true or false.
TRUE
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During childbirth, anesthesia is administered into the epidural space of the spinal column between which of the following vertebrae?
1. L4 and L5 2. T3 and T4 3. S4 and S5 4. C3 and C4 a) 1 only b) 2 only c) 3 only d) 4 only e) Both 1 and 4
The mass number of an atom is the number of
A. neutrons in the atom. B. protons plus electrons in the atom. C. protons in the atom. D. electrons plus neutrons in the atom. E. neutrons plus protons in the atom.
Subdivision of the motor division responsible for controlling involuntary events
A. CNS B. PNS C. ANS
Circular folds are
A) ridges in the wall of the stomach. B) circumferential folds in the mucosa and submucosa of the small intestine. C) fingerlike projections on the surface of the mucosa of the small intestine. D) ridges on the external edges of the colon. E) abnormal structures formed by excessive pressure in the small intestine.