nervous system

Question 1

this type of nervous tissue contains neuronal cell bodies, dendrites, unmyelinated axons, axon terminals, and neuroglial cells

Answer 1

gray matter

Question 2

the autonomic nervous system is not involved in controlling

Answer 2

skeletal muscle

Question 3

saltatory conduction

Answer 3

occurs only in myelinated axons

Question 4

this type of neuron has one dendrite and one axon emerging from the cell body

Answer 4

bipolar

Question 5

major relay station

Answer 5

thalamus

Question 6

which of the following parts of a nervous reflex arc is usually a muscle or gland

Answer 6

effector

Question 7

which of the following is not caused by activation of the sympathetic division

Answer 7

airway constriction

Question 8

in an action potential, the current that flows down the axon of a neuron is generated by the movement of _____ across the membrane

Answer 8

ions

Question 9

which of the three spinal meninges is the most superficial

Answer 9

dura mater

Question 10

which of the following structures listed below contains CSF

Answer 10

subarachnoid space

Question 11

which of the following cells display the property of electrical excitability

Answer 11

all of these choices

Question 12

which of the following functional areas of the cerebrum is responsible for conscious movements of the body

Answer 12

primary motor area

Question 13

autonomic

Answer 13

sympathetic and parasympathetic

Question 14

how many sensory modalities can a single sensory neuron have

Answer 14

one

Question 15

which of the following parts of the reflex arc would have a cell body in the posterior root ganglion

Answer 15

sensory neuron

Question 16

this type of neural circuit consists of a single presynaptic neuron synapsing with several post synaptic neurons

Answer 16

diverging circuit

Question 17

sweat glands and hair follicles

Answer 17

sympathetic

Question 18

these three areas of gray matter found in each cerebral hemisphere are important in helping to control the initiation and termination of skeletal muscle movements

Answer 18

basal nuclei

Question 19

which of the following is a fluid filled cavity located in each hemisphere of the cerebrum

Answer 19

lateral ventricle

Question 20

this brain vesicle gives rise to the midbrain and cerebral aqueduct

Answer 20

mesencephalon

Question 21

which of the following cranial nerves control movements of the eyeball

Answer 21

III, IV, VI

Question 22

the integration centers for sensations that are consciously perceived are found in the (like vision, smell, taste, pain)

Answer 22

cerebral cortex

Question 23

NOT a common characteristic of dermatomes

Answer 23

each dermatome is only served by a single spinal nerve

Question 24

this branch of a spinal nerve serves the deep muscles and skin of the posterior surface of the trunk

Answer 24

posterior ramus

Question 25

a nerve impulse initiated at a muscle spindle has to travel through which of the following structures to get into the spinal
column

Answer 25

posterior root of spinal nerve

Question 26

which of the following regions of the brain compares the intentions of skeletal muscle movements with the actual movement performed and then sends out corrective feedback to upper motor neurons

Answer 26

cerebellum

Question 27

changes in chemicals in the body

Answer 27

chemoreceptor

Question 28

an ipsilateral, intersegmental, spinal somatic reflex will most likely control

Answer 28

many flexor and extensor muscles on the same side of the body as the sensor

Question 29

which of the following responses is NOT caused by activation of the parasympathetic division of the ANS

Answer 29

airway dilation

Question 30

this lobe of the cerebrum is found deep in the other four lobes and thus cannot be observed from the surface

Answer 30

insula