During the vagal stimulation experiment, the resumption of the heart beat is called ________
A) vagal escape B) autonomic recovery
C) sympathetic surge D) vagal suppression
Answer: A
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Moving part of the body away from the midline of the body is:
a. flexion b. rotation c. abduction d. extension e. adduction f. circumduction
Parkinson's disease is the result of
A) excess production of GABA by neurons in the basal nuclei. B) decreased levels of acetylcholine from neurons in the substantia nigra. C) inadequate production of dopamine by substantia nigra neurons. D) hyperactivity of the limbic system. E) weak response of the red nuclei of the mesencephalon.
During the first trimester of pregnancy, the ovaries are active endocrine glands.
Answer the following statement true (T) or false (F)
Which of these happens first in an cholinergic synaptic transmission?
A. Acetylcholine diffuses across the synaptic cleft B. Acetylcholine binds to ligand-regulated gates C. Sodium enters the postsynaptic cell D. The synaptic vesicles release acetylcholine E. A postsynaptic potential is produced