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Week 8 CNS

Human Physiology

QuestionAnswer
The part of the brain that can directly influence or inhibit the release of hormones from the pituitary is the: hypothalamus.
The parasympathetic and sympathetic divisions always act with a cooperative influence, and through summation of the impulses, the effect can be increased. False
Which is not true of the dorsal nerve root? It is also called the posterior root. It includes the spinal ganglion. It includes sensory fibers.
Which of the following is not a function of the hypothalamus? Regulation of motor activity
The cerebellum acts with the _____ to produce skilled movement. cerebrum
Afferent nerves or fibers are found only in the _____ nervous system. sensory autonomic
Acetylcholine can stimulate _____ receptors. nicotinic
Most effectors of the autonomic nervous system are dually innervated by sympathetic and parasympathetic neurons. True
All of the following cranial nerves are involved in proprioception except the: vagus.
A child was frightened by a large dog. The pupils of the child’s eyes became dilated, and the heart and respiratory rates increased. These symptoms were caused by stimulation of: the sympathetic nervous system.
Impulses sent over which of the following tracts could result in voluntary movement, especially of the hands, fingers, feet, and toes of the opposite side? Lateral corticospinal
A mixed nerve is one that: carries both sensory and motor fibers.
Which of the following is not an example of sympathetic stimulation? Constriction of the bronchioles
Which is(are) the neurotransmitter(s) in a somatic motor pathway? Acetylcholine
Propranolol is an example of a: beta blocker. drug used to treat irregular heartbeats. drug used to treat hypertension.
The cerebellum performs all of the following functions except: controls cardiac function.
The vomiting reflex is mediated by the: medulla.
Created by: Emmaa6341
 

 



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