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PDF Download HESI A2 A&P NERVOUS SYSTEM EXAM QUESTIONS Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -52 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: -vision
-combine visual images with other sensory experiences
Answer:
Thalamus Question 2: -concentrating, planning, complex problem solving, judging consequence of behavior
Answer:
parietal lobe
Question 3: Sympathetic
Answer:
prepares body for flight or fight
Question 4: -innermost layer
-Very delicate layer of tissue ¬Lays on surface of brain and spinal cord ¬Fills all the spaces -Very vascular
Answer:
cerebrospinal fluid(CSF)
Question 5: Somatic
Answer:
carries info to skeletal muscles
Question 6: responsible for muscle coordination
Answer:
Medulla oblongata
Question 7: -carrier of chemical message
-Neurotransmitters cause the membrane to depolarize by opening sodium gates (the sodium gates are the receptors from the synaptic cleft) p.372 *look at potassium pump and steps of release
Answer:
layers of the meninges
Question 8: -starts at base of skull (foreman magnum)
-ends at about L1 or L2 -Slender column of nervous tissue continuous with brain -Extends through vertebral canal -about 18in long
Answer:
two main functions of spinal cord
Question 9: 1. smell
- taste
- hearing
- sight
Answer:
Simple (spinal) reflexes
Question 10: -outermost layer
-Made of fibrous tissue so it's tough -Very vascular
Answer:
arachnoid mater
Question 11: little tail-like receptors that transmit impulses toward the cell body
Answer:
Axon
Question 12: controls many vital functions such as respiratory and heart rate
Answer:
Corpus callosum
Question 13: sound waves are transmitted and sent to the brain
Answer:
The vestibular
Question 14: works with the iris to control how much light the eyes let in
Answer:
Lens
Question 15: carry out motor functions of the nervous system
Answer:
two divisions of peripheral nervous system
Question 16: Hypothalamus
Answer:
Pituitary gland
Question 17: Autonomic
Answer:
-carries info to smooth, cardiac muscle, glands -sympathetic and parasympathetic
Question 18: -hearing
-interpret sensory experiences and remember visual scenes, music, and other complex sensory patterns from the ears
Answer:
occipital lobe
Question 19: attaches pituitary gland to hypothalamus
Answer:
how many spinal nerves?
Question 20: Parasympathetic
Answer:
prepares body for rest and digestion
Question 21: transmit nerve pulses away from cell body
Answer:
Foundational units of nervous system Question 22: transmit nerve impulses away from the CNS toward effector organs such as muscles, glands, and digestive organs
Answer:
neurotransmitters
Question 23: -cerebrum
-cerebellum -medulla oblongata
Answer:
Cerebrum Question 24: when nerve impulses travel through the spinal cord only and do not reach the brain
Answer:
Sclera Question 25: 1.nerve plexuses-networks formed by anterior/ventral branches of spinal nerves; fibers of various spinal nerves are sorted and combined
Answer:
Name the special senses
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