Nervous Review

Question 0

Subdivision of the PNS that controls voluntary activities such as the activation of skeletal muscles is?

Answer 0

Somatic

Question 1

Nervous system subdivision that is composed of brain & spinal cord is

Answer 1

Central

Question 2

Nervous system subdivision that is composed of cranial, spinal nerves & ganglia

Answer 2

Peripheral

Question 3

Junction or point of close contact between neurons

Answer 3

Synapse

Question 4

Chemical released by neurons that stimulates other neurons, muscles, or glands

Answer 4

Neurotransmitter

Question 5

Gap in the myelin sheath

Answer 5

Node of Ranvier

Question 6

Bundle or axons in the CNS

Answer 6

Tract

Question 7

Collection of cell bodies found outside the CNS

Answer 7

Ganglion

Question 8

Contain cerebrospinal fluid

Answer 8

Ventricles

Question 9

Myelinated fibre tracts.

Answer 9

White matter

Question 10

Consists of midbrain, pons, and medulla

Answer 10

Brain stem

Question 11

Account for more then 60% of total brain weight.

Answer 11

Cerebral hemisphere

Question 12

Consists of the hypothalamus, thalamus & epithalamus

Answer 12

Cerebellum

Question 13

Slight brain injury with no permanent damage

Answer 13

Concussion

Question 14

Results when a brain region is deprived of blood or exposed to prolonged ischemia is a

Answer 14

Stroke

Question 15

Reversible CVA

Answer 15

Transient ischemic attack

Question 16

Progressive degeneration of the brain with abnormal protein deposits

Answer 16

Alzheimer’s disease

Question 17

Autoimmune disorder with extensive demyelination

Answer 17

Multiple sclerosis

Question 18

The only cranial nerve that extends beyond the head and neck region

Answer 18

Vagus

Question 20

Innervates four of the muscles that move the eye and iris

Answer 20

Oculomotor

Question 21

Supplies that superior oblique of the eye

Answer 21

Trochlear

Question 22

The primary somatosensory area of the cerebral hemisphere(s) is found in the precentral gyrus

Answer 22

False

Question 23

Cortical areas involved in hearing are found in the occipital lobe

Answer 23

False ( it’s located bilaterally, roughly at the upper sides of the temporal lobes)

Question 24

The primary motor cortex is located in the postcentral gyrus

Answer 24

False

Question 25

The term nucleus describes a cluster of neuronal bodies inside the CNS

Answer 25

True

Question 26

There are five nerve plexuses in the human body

Answer 26

False

Question 27

Schwann cells are responsible for myelination in PNS

Answer 27

True

Question 28

Nerve impulse is also called action potential

Answer 28

True

Question 29

Plasma membrane is depolarizer during an action potential

Answer 29

True

Question 30

Bipolar neurons are found

Answer 30

In the head

Question 31

Motor function of the arm, forearm, and fingers would be affected by damage to which of these nerves; radial, axillary, ulnar, and median

Answer 31

All of them

Question 32

Which is true of the autonomic, but NOT the somatic nervous systems

Answer 32

Has motor neurons located in ganglia

Question 33

This division typically has long preganglionic and short postganglionic fibres

Answer 33

Parasympathetic division

Question 35

Supplies somatic motor fibres to the lateral rectus muscle of the eye

Answer 35

Abducens