Nervous System Quiz Test
The nervous system is one of the very important human body systems. Basically, it involves the central and the peripheral nervous sub systems, which use the brain and the spinal cord. The quiz below has more.
- 1.The cell bodies of motor neurons lie:
- A.
In the dorsal root ganglion
- B.
In the posterior horn of spinal gray matter
- C.
In the anterior [ventral horn] of spinal gray matter
- D.
In the white matter of the spinal cord
- 2.What is the difference between stretch reflex and superficial reflexes?
- A.
Superficial reflexes are seen in superficial areas of the body while the stretch reflexes are seen in organs that stretch
- B.
Superficial reflexes involve higher centers while the stretch reflex only involves the spinal cord
- C.
Superficial reflexes involve the spinal cord while the stretch reflex involves the higher centers
- D.
ANATOMY SUCKS :) :) :)
- 3.Which of the following statements is CORRECT?
- A.
Dorsal rami carry afferent fibers and ventral rami carry efferent fibers
- B.
Dorsal and ventral rami carry afferent and efferent fibers
- C.
Dorsal roots carry efferent impulses and ventral roots carry afferent impulses
- D.
Motor fibers enter the spinal cord and sensory fibers leave the spinal cord through dorsal and ventral rami respectively
- 4.How are spinal nerves connected to the spinal cord?
- A.
By dorsal or efferent roots, and ventral or afferent roots
- B.
By dorsal or afferent roots, and ventral or efferent roots
- C.
By dorsal root ganglia and ventral root ganglia
- D.
By dorsal and ventral rami
- 5.What is the distribution of spinal nerves?
- A.
7 cervical, 21 thoracic, 13 lumbar, 5 sacral and 2 coccygeal
- B.
8 cervical, 21 thoracic, 5 lumbar, 5 sacral and 5 coccygeal
- C.
7 cervical, 12 thoracic, 5 lumbar, 5 sacral and 4 coccygeal
- D.
8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal
- 6.Select the statement that is CORRECT:
- A.
Ganglia associated with afferent nerve fibers contain cell bodies of sensory neurons
- B.
The cell bodies of afferent fibers are located in the spinal cord
- C.
All cranial nerves are mixed nerves
- D.
The dorsal root ganglion is a motor only structure
- 7.The components of a reflex arc are ?
- A.
Receptor, effector, organ, integration center
- B.
Receptor, afferent neuron, effector, organ, integration center
- C.
Receptor, efferent neuron, effector neuron, organ, integration center
- D.
Receptor, afferent neuron, integration center, efferent neuron, effector
- 8.There are 33 pairs of spinal nerves
- A.
True
- B.
False
- 9.Efferent fibers:
- A.
Are motor fibers
- B.
Exit through the ventral root
- C.
Carry information from the CNS
- D.
All of the above
- 10.Drinking orange juice (which contains citric acid) causes release of enzymes from the stomach because of stimulation of certain receptors. Which of the following receptors do you think are most likely to be stimulated?
- A.
Proprioceptors
- B.
Nociceptors
- C.
Photoreceptors
- D.
Chemoreceptors
- 11.What system innervates skeletal muscles?
- A.
Somatic nervous system
- B.
Sympathetic nervous system
- C.
Parasympathetic nervous system
- D.
The anatomy sucks system :) :)
- 12.There are 12 pairs of cranial nerves
- A.
True
- B.
False
- C.
Option 3
- D.
Option 4
- 13.Nerves involved with movements of the eyeball are..
- A.
First, seventh and third cranial nerves
- B.
Fourth, sixth and seventh cranial nerves
- C.
Third, fourth and sixth cranial nerves
- D.
Seventh, sixth and fourth cranial nerves
- 14.Which of the following cranial nerves is associated with taste?
- A.
Cranial nerve VII and VIII
- B.
Cranial nerve V and VII
- C.
Cranial nerve VII and VIII
- D.
Cranial nerve IX
- E.
Cranial nerve VII,IX and X
- 15.The muscles of the tongue are innervated by the..
- A.
XII cranial nerve or hypoglossal
- B.
X, cranial nerve or vagus
- C.
IX cranial nerve or glossopharyngeal
- D.
XI cranial nerve or accessory
- 16.The blind spot of the eye contains no photoreceptors
- A.
True
- B.
False
- 17.All of the following are actions of the sympathetic nervous system, except?
- A.
Increase in heart rate
- B.
Respiratory rate increase
- C.
Bronchodilatation
- D.
Pupillary constriction
- E.
Increase in Blood pressure
- 18.You have just had a hearty meal at the Crazy Grill. Which component of the nervous system is going to kick in in order to help you digest the meal?
- A.
Parasympathetic nervous system
- B.
Sympathetic nervous system
- C.
Central nervous system
- D.
Peripheral nervous sysem
- 19.The sympathetic nervous system normally causes vasoconstriction of blood vessels in all of the following regions, EXCEPT:
- A.
Skin
- B.
Kidneys
- C.
Skeletal muscle
- D.
Gastrointestinal tract
- 20.The central nervous component of the parasympathetic nervous system originates in the:
- A.
Brain and thoracic segments of the spinal cord
- B.
Thoracic and lumbar segments of the spinal cord
- C.
Cervical and sacral segments of the spinal cord
- D.
Brain and sacral segments of the spinal cord
- E.
Cervical and thoracic segments of the spinal cord
- 21.The parasympathetic nervous system is involved in:
- A.
Flight/fright/fight responses
- B.
Secretion of salivary glands
- C.
Pupillary dilatation
- D.
Increase in respiratory rate
- 22.The thought of a juicy steak makes you salivate. This is an example of what type of reflex ?
- A.
Autonomic reflex
- B.
Superficial reflex
- C.
Stretch reflex
- D.
Somatic reflex
- 23.Salivation and lacrimation are examples of:
- A.
An autonomic reflex
- B.
A stretch reflex
- C.
A deep tendon reflex
- D.
A superficial reflex
- 24.Your friend Amanda runs into your room, breathing rapidly, has dilated pupils, is sweating profusely and tells you her heart is pounding and beating really fast. Her story is, that she was almost carjacked. Which part of the nervous system is most responsible for her present state?
- A.
Sympathetic nervous system
- B.
Parasympathetic nervous system
- C.
Somatic system
- D.
Nervous system
- 25.The neurotransmitter released in the parasympathetic nervous system is:
- A.
GABA
- B.
Serotinin
- C.
Dopamine
- D.
Acetylcholine
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