John sees Martha; the pupils of his eyes dilate. It is love at first sight. What division(s) of the ANS is(are) involved?
A. sympathetic division
B. parasympathetic division
C. somatic motor division
D. neither sympathetic division nor parasympathetic division
E. both sympathetic division and parasympathetic division
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Question 2) Which effector has no innervation with parasympathetic nerves?
A. eye
B. pancreas
C. heart
D. blood vessels
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Question 3) Which of the following is NOT an effect of parasympathetic action?
A. increased tear production
B. increased motility of the intestines
C. increased metabolism
D. increased gastric secretion
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Question 4) Autonomic reflexes might be integrated in the
A. medulla oblongata.
B. spinal cord.
C. hypothalamus.
D. thalamus.
E. medula oblongata, spinal cord and hypothalamus.
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Question 5) Autonomic reflexes
A. are impossible.
B. are integrated somewhere in the CNS.
C. have efferent input and afferent output.
D. are an example of positive feedback.
E. are harmful.
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Question 6) What type of reflex operates independently of the CNS?
A. distal reflex
B. voluntary reflex
C. local reflex
D. conscious reflex
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Question 7) What part of the brain is in overall control of the ANS?
A. medulla oblongata
B. hypothalamus
C. thalamus
D. cerebrum
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Question 8) What part of the CNS integrates thoughts and emotions to produce ANS responses?
A. cerebrum
B. cerebellum
C. midbrain
D. hypothalamus
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Question 9) Sympathomimetic agents activate
A. nicotinic receptors.
B. muscarinic receptors.
C. adrenergic receptors.
D. somatotrophic receptors.
E. cholinergic receptors.
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Question 10) Atropine causes the pupil of the eye to dilate by blocking the effect of muscarinic receptors. This means atropine is a(n)
A. ganglionic blocking agent.
B. beta-adrenergic blocking agent.
C. alpha-adrenergic blocking agent.
D. parasympathetic blocking agent.
E. parasympathomimetic agents.
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