Unit 4

Question 1

T/F

The sympathetic nervous system responds to unusual stimulus by causing an increase in activity such as exercise, excitement, emergency (fight or flight) and embarrassment

Answer 1

TRUE

Question 2

The parasympathetic nervous system maintains daily body functions such as digestion, defecation and diuresis

Answer 2

TRUE

Question 3

The white matter in spinal cord:

(a) contains only efferent tracts
(b) contains only afferent tracts
(c) contains myelinated tracts
(d) is mostly located in the inner portion of the cord

Answer 3

Contains myelinated tracts

Question 4

In a resting neuron membrane there is:

(a) more positive ions outside of the membrane
(b) more negative ions outside of the membrane
(c) more positive ions inside of the membrane
(d) equal amounts of positive ions on both sides of the membrane

Answer 4

(a) more POSITIVE ions OUTSIDE of the membrane

Question 5

Which of the following is NOT considered to be a neuroglia?

(a) Astrocytes
(b) microglia
(c) schwann cells
(d) oligodendrocytes

Answer 5

(c) Schwann cells

Question 6

The point at which an impulse from one nerve cell is communicated to another nerve cell is the:

(a) root
(b) synapse
(c) collateral branch
(d) cell body

Answer 6

(b) Synapse

Question 7

What is the correct sequence from outermost to innermost layers of the meninges?

Answer 7

Dura mater, arachnoid mater, pia mater

Question 8

Which of the following statements about grey matter is NOT true?

(a) it is mostly contained in the outer layers of the CNS
(b) it is found within the corpus callosum
(c) it is found in internal “islands” deep in the brain called basal nuclei
(d) it contains mostly cell bodies

Answer 8

(b) it is found within the corpus callosum

Question 9

3 major parts of the brain strem

Answer 9

Midbrain, pons, and medulla oblongata

Question 10

The mechanism for protecting the brain that consists of semi-impermeable capillaries is …

Answer 10

Blood brain barrier

Question 11

“Emotional brain”

Answer 11

hypothalamus

Question 12

The middle layer of the meninges in the CNS

Answer 12

arachnoid mater

Question 13

Primary somatosensory area

Answer 13

post central gyrus of the parietal lobe

Question 14

consists of three parts and connects the brain to the spinal cord

Answer 14

brainstem

Question 15

damage to this area could results in a coma

Answer 15

reticular activating system

Question 16

primary motor area

Answer 16

pre central gyrus of the frontal lobe

Question 17

primary auditory area

Answer 17

temporal lobe

Question 18

primary visual area

Answer 18

occipital lobe

Question 19

contains the choroid plexus which assists in the production of CSF

Answer 19

epithalamus

Question 20

area responsible for planning and producing speech

Answer 20

Broca’s area