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PDF Download FREE AND STUDY GAMES ABOUT A&P II ANS EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -83 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: What is dual innervation?
Answer:
When both sympathetic and parasympathetic systems innervate with an organ
Question 2: Preganglionic axons of the autonomic nervous system release which
neurotransmitter?
Answer:
Acetylcholine
Question 3: What do the two divisions of the autonomic system have in common?
Answer:
They both contain autonomic ganglia to house ganglionic neurons
Question 4: Which system stimulates for ejaculation?
Answer:
Sympathetic
Question 5: What carries the postganglionic sympathetic axons from the sympathetic trunk to the spinal nerve?
Answer:
Gray rami communicants
Question 6: What is autonomic tone?
Answer:
It is the continual activity maintained by the sympathetic and parasympathetic divisions Question 7: Where do ganglionic neurons usually synapse with preganglionic neurons?
Answer:
Autonomic ganglia Question 8: Which cranial nerves are associated with the parasympathetic division of the ANS?
Answer:
CN III, CN VII, CN IX, CN X
Question 9: The sympathetic and parasympathetic systems have what type of effects on heart rate.
Answer:
Antagonistic
Question 10: Which type of innervation causes the heart rate to increase?
Answer:
Sympathetic
Question 11: Name the three divisions of the abdominal aortic plexus.
Answer:
Celiac ganglion, Superior mesenteric ganglion, and inferior mesenteric ganglion
Question 12: Which system have ganglia for motor neurons?
Answer:
the autonomic nervous system
Question 13: Which pathway do the preganglionic axons directly innervate the effector
Answer:
Adrenal medulla pathway
Question 14: Where are prevertebral ganglia located?
Answer:
Anterior to the vertebral column
Question 15: Where do most fibers of the parasympathetic nervous system travel?
Answer:
In the vagus nerve
Question 16: A cluster of cell bodies is known as what?
Answer:
Ganglia Question 17: Which sympathetic pathway involves only a preganglionic axon going to the effector organ?
Answer:
Adrenal medulla pathways
Question 18: What is the craniosacral division?
Answer:
Parasympathetic division
Question 19: Where are the motor neurons for the sympathetic nervous system?
Answer:
sympathetic trunk ganglia
Question 20: What neurotransmitter do muscarinic receptors bind to?
Answer:
Acetylcholine
Question 21: Antagonistic effects of two divisions of the autonomic nervous system are exemplified in the control of what?
Answer:
Gastrointestinal Mobility
Question 22: What system controls the diameter of the pupil?
Answer:
Both the parasympathetic and sympathetic nervous systems. Parasympathetic constricts the pupil, sympathetic dilated the pupil.Question 23: The parasympathetic nervous system especially active during which physiological state?
Answer:
Digestion Question 24: Where are preganglionic fibers of the parasympathetic neurons present?
Answer:
Cranial nerve 3 7 9 and 10
Question 25: Which system affects the erection?
Answer:
Parasympathetic Question 26: Which division functions to conserve energy and replenish the supply of nutrients?
Answer:
Parasympathetic Question 27: We lack awareness of many of our bodies symptoms for maintaining homeostasis.The sensations movements and secretions of organs such as the heart and intestines are governed by which system?
Answer:
Autonomic nervous system
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