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10 terms

ZOOL Lecture - Quiz 13

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Which space is located between the middle layer and the deepest layer of the meninges of the spinal cord?

A. epidural space

B. epiarachnoid space

C. subdural space

D. subarachnoid space

E. subpia space
D. subarachnoid space
The spinal cord ends between the first and second lumbar vertebrae. This area is called the:

A. filum terminale

B. lumbar enlargement

C. conus medullaris

D. cauda equina

E. spinal root
C. conus medullaris
Which of the following contains cerebrospinal fluid?

A. subdural space

B. subarachnoid space

C. central canal

D. all of the above

E. B and C only
E. B and C only
The cell bodies of autonomic motor neurons are located in the

A. dorsal horns.

B. ventral horns.

C. lateral horns.

D. A and B are correct.

E. A, B and C are correct.
C. lateral horns.
The endoneurium surrounds the

A. fascicles

B. each axon

C. spinal nerves

D. A and B are correct

E. none of the above
B. each axon
Injury to which nerve can result in numbness, tingling, and pain in the palm and fingers?

A. radial nerve

B. median nerve

C. ulnar nerve

D. long thoracic nerve

E. none of the above
B. median nerve
Which of the following is the sequence of the transmission of signals of a reflex arc?

A. integration center, sensory receptor, sensory neuron, effector, motor neuron

B. sensory neuron, sensory receptor, integration center, motor neuron, effector

C. sensory receptor, sensory neuron, integration center, motor neuron, effector

D. integration center, sensory neuron, sensory receptor, effector, motor neuron

E. effector, sensory receptor, sensory neuron, integration center, motor neuron
C. sensory receptor, sensory neuron, integration center, motor neuron, effector
Which statement best describes reciprocal innervation?

A. contraction of antagonist with simultaneous relaxation of agonist

B. contraction of agonist with delayed relaxation of antagonist

C. relaxation of antagonist at the same time of contraction of agonist

D. simultaneous relaxation of agonist and antagonist

E. simultaneous contraction of agonist and antagonist
C. relaxation of antagonist at the same time of contraction of agonist
Which reflex is designed to protect a muscle and tendon from damage due to developing excess tension (e.g. causing you to drop a heavy load)?

A. stretch reflex

B. tendon reflex

C. flexor reflex

D. withdrawal reflex

E. B and D are correct
B. tendon reflex
What type of reflex responds to pain stimuli (like a pin stick on the finger), is polysynaptic, and causes muscle action on the ipsilateral side?

A. stretch

B. flexor withdrawl

C. superficial

D. deep tendon

E. cutaneous
B. flexor withdrawl