Pre-lab 3 + Exam 4 - Weeks 7 + 8

Question 1

Which division of the nervous system conveys impulses from the CNS?

Answer 1

efferent division

Question 2

Which division of the nervous system dominates under threatening situations

Answer 2

sympathetic

Question 3

Which division of the nervous system consists of sensory neurons

Answer 3

afferent

Question 4

Which division of the nervous system stimulates digestion

Answer 4

parasympathetic

Question 5

Which division of the nervous system consists of subdivisions that innervate most of the same organs (effectors)

Answer 5

autonomic

Question 6

Which division of the nervous system convey impulses to voluntary muscles

Answer 6

somatic

Question 7

bundles of axons in the CNS

Answer 7

tracts

Question 8

what portion of the brain serves as a “relay station”?

Answer 8

the thalamus

Question 9

what does the rhomboid major move as a prime mover?

Answer 9

scapula

Question 10

what does the subscapularis move as a prime mover?

Answer 10

humerus at shoulder joint

Question 11

what does the teres major move as a prime mover?

Answer 11

humerus at shoulder joint

Question 12

what does the pectoralis minor move as a prime mover?

Answer 12

scapula

Question 13

what does the pectorals major move as a prime mover?

Answer 13

humerus at shoulder joint

Question 14

what does the serrates anterior move as a prime mover?

Answer 14

scapula

Question 15

what muscle is the functional partner of the latissimus dorsi

Answer 15

teres major

Question 16

The outermost portion of the brain is known as the cerebral cortex, and would consist of:

ganglia
nerves
axons
gray matter
tracts

Answer 16

gray matter

the cerebral cortex consists mostly of cell bodies, which in the CNS make up gray matter

Question 17

In a functional classification of neurons, those located within the CNS between sensory and motor neurons would be referred to as what type of neuron?

Answer 17

interneuron

Question 18

Cells of the nervous system that support and protect neurons are known as what?

Answer 18

glial

Question 19

the MOTOR nerve root could also be called

Answer 19

the anterior nerve root

Question 20

the posterior nerve root conveys what type on info

Answer 20

sensory

Question 21

A muscle that would act as an antagonist during elbow extension is the:

teres minor
brachialis
triceps brachii
pronator quadratus
teres major

Answer 21

brachilalis

Question 22

The precentral gyrus of the frontal lobe is part of the:

limbic syste
diencephalon
brain stem
cerebral cortex

Answer 22

cerebral cortex

Question 23

Which portion of the brain is connected to the pituitary gland?

Answer 23

the hypothalamus

Question 24

SOMATIC MOTOR neurons lead to:

the CNS
skeletal muscles
cardiac muscles
glands

Answer 24

skeletal muscles

Question 25

Neurons convey impulses across synapses via chemicals known collectively as

Answer 25

neurotransmitters

Question 26

What is the name of the middle of the three spinal meninges?

Answer 26

arachnoid

Question 27

what type of matter are myelinated axons in the CNS?

Answer 27

white matter

Question 28

what convey impulses FROM the cell body

Answer 28

axons

Question 29

what convey impulses TOWARDS the cell body

Answer 29

dendrites

Question 30

a cluster of cell bodies in the PNS

Answer 30

ganglion

Question 31

The spinal cord ends at approximately the level of which vertebrae?

Answer 31

L1/L2

Question 32

Cerebrospinal fluid (CSF) is found in all of these locations EXCEPT: The limbic system The central canal of the spinal cord The subarachnoid space of the brain The third ventricle

Answer 32

the limbic system

Question 33

3 parts of the brain stem

Answer 33

midbrain pons medulla oblongata

Question 34

Which muscle is a prime mover for protraction of the scapula? teres minor teres major rhomboids serratus anterior

Answer 34

serrates anterior

Question 35

The part of the brain most closely associated with balance, posture and equilibrium is the:

Answer 35

cerebellum

Question 36

Which structure primarily functions to convey sensory information? anterior nerve root anterior gray horn descending tracts posterior nerve root

Answer 36

posterior nerve root

Question 37

Collectively, sensory neurons would make up which division of the nervous system?

Answer 37

afferent

Question 38

The portion of the brain most responsible for many homeostatic functions such as thirst, hunger, urine output and temperature is the:

Answer 38

hypothalamus