Neurons
Organization of the Nervous System
Cranial Nerves
CNS
PNS
100

Which structure of a neuron is considered the most metabolically active region manufacturing proteins for the whole neuron?

a.Dendrites

b. Cell body/soma

c.Axon 

B. Cell Body/Soma 

100

True or False: : Notable interruptions in blood flow can cause loss of consciousness, stroke, and even death

True 

100

There are ______ sets of cranial nerves.

12

100

The deepest grooves in between major sections of the brain are called _______?

a. Fissures

b. Sulci

c. Dendrites

d. Gyri


A. Fissures

100

The spinal cord can interpret information by using .....

a. Brain cells

b. Spinal Reflexes

c. Blood barrier


b. Spinal Reflexes 

200
A______ neuron has a single axon, multiple dendrites and makes up 99%  of all neurons in the body. 


a. Multipolar

b. Pseudounipolar

c. Bipolar 

A. Multipolar

200

The function of the ________ nervous system controls how the brain receives sensory information by controlling muscle movements in response. This is done by sending commands from your brain to various parts of the body.

Peripheral 

200

To test the oculomotor cranial nerve you would....

a. Use a tuning fork to hear sound

b. Use a visual field test or eye chart

c. Examine pupil size and shape when light

source changes

d. Sniff a strong scented item such as vanilla

C. Examine pupil size and shape when light source changes

200

The ___________ is portion of the brainstem links the medulla oblongata to the thalamus and transmits signals between the forebrain and cerebellum.

a. Hypothalamus

b. Pons

c. Medulla

d. Pineal gland

b. Pons

200

_____________: “Fight or Flight” directs autonomic bodily responses during stress
_____________: “Rest and Digest” Regulates autonomic bodily functions during
rest

a. Sympathetic, Parasympathetic

b. Parasympathetic, Sympathetic 

A. Sympathetic, Parasympathetic 

300

Regeneration of damaged tissue is limited only in the ________ if the cell body remains intact. 

a. CNS

b. PNS

b.PNS

300

"involuntary" nervous system innervates cardiac muscle, smooth muscle and glands describes what type of motor nervous system?

Autonomic 

300

The Oculomotor nerve main function is..... 

a. Vision 

b. Movement of the eye

c. Auditory 

d. Movement of the head 

B. Movement of the eye

300

The cerebral cortex is divided into which four major lobes? 

Temporal, occipital, parietal, frontal 

300

The Peripheral nervous system consists of the ____________....

a. Brain and Spinal Cord

b. Spinal nerves, cranial nerves, and peripheral nerves

c. None of these are correct 

B. Spinal nerves, cranial nerves, and peripheral nerves

400

_______ constitute for half of the CNS volume helping to support, nourish, and protect the neurons while aiding in homeostasis.

a. Neuroglia 

b. Axons

c. Dendrites

A. Neuroglia

400

The _______ secretes melatonin.

a. Pineal gland

b. Hypothalamus

c. Cerebellum

d. Thalamus

A. Pineal Gland

400

Which cranial nerve controls body functions specifically related to digestion and heart rate regulation ?

a. Accessory

b.Optic 

c.Vagus

d. Olfactory 

C. Vagus 

400

Which area of the cerebral cortex controls the execution of voluntary movement?

Motor 

400

Cranial nerve _________ Functions in movement of the head. Carries impulses down neck and
coordinates head and pectoral girdle
movements

a. Trigeminal

b. Optic

c. Hypoglossal

d. Spinal Accessory 

d.Spinal Accsesorry 
500

The __________ is critically important to the function of neurons to help maintain ionic concentrations inside and outside of the cell. This helps facilitate the ability of neurons to fire off action potentials

Sodium-potassium pump

500

Motor functions are referred to as “_____________” meaning the signals exit away from the CNS.

A. Afferent

B. Efferent  

B. Efferent 

500

Cranial Nerve VIII is responsible for the sense of hearing and equilibrium. It is refered to as the "auditory" nerve  

Vestibulocochlear 

500

The __________ of the cerebral cortex controls muscles of the larynx, pharynx, and mouth for production of speech .

a. Primary motor area

b. Primary auditory

c. Brocas Area

d.Visual Area 

c. Broca's Area

500

The four principle plexuses are : _________ , _________, __________, and ___________. 

Sacral, Brachial ,Lumbar, Cervical