Chapter 7: Practice Test C

Question 1

Which plexus includes the phrenic nerve to the diaphragm?

Answer 1

Cervical

Question 2

What do the ventral roots and dorsal roots fuse to form?

Answer 2

spinal nerves

Question 3

Symptoms of a disorder includes weak muscles but normal reflexes.

Answer 3

Upper Motor Neurons

Question 4

Vertebrae fail to form completely around the spinal cord

Answer 4

spina bifida

Question 5

The spinal cord terminates by vertebra

Answer 5

L3

Question 6

Ganglia are collections of ________.

Answer 6

cell bodies

Question 7

Symptoms of a disorder includes weak reflexes.

Answer 7

Lower Motor Neurons

Question 8

These transmit signals from the sensory pathways to the motor pathways.

Answer 8

Interneurons

Question 9

Pulling a hand away from a hot stove demonstrates

Answer 9

withdrawal reflex

Question 10

Which of the following contains a mixture of motor and sensory neurons?

Answer 10

spinal nerves

Question 11

Sends commands to the skeletal muscle to contract

Answer 11

somatic

Question 12

Which of the following contains sensory neurons only?

Answer 12

dorsal root ganglia

Question 13

Which of the following contains motor neurons only?

Answer 13

ventral roots

Question 14

Cell body is in the brain

Answer 14

Upper Motor Neurons

Question 15

Cell body is in the ventral horn of the grey matter of the spinal cord

Answer 15

Lower Motor Neurons