BIOD 152 Final Questions & answers

BIOD 152 Final


true

True or False; If false, explain why the statement is false: Bipolar neurons have a central cell body with
two extensions.

A. dendrite
B. cell body
C. nucleus
D. axon
E. myelin sheath
F. Schwann cell
G. Node of ranvier
H. Axon terminal




Cerebral hemispheres, diencephalon, brain stem and cerebellum

4 parts of human brain

- The leathery dura mater is the double-layered outer meninx.
- The middle arachnoid meninx is a loose layer separated from the dura mater by the subdural space.
- The inner pia mater meninx is composed of connective tissue and is tightly attached to the brain.

List and describe the 3 meninges of the human brain.

C. pulmonary trunk
D. right atrium
H. tricuspid valve
I. right ventricle
L. inferior vena cava
M. aorta
N. left pulmonary artery
P. left pulmonary veins
Q. pulmonary semilunar valve

,T. left ventricle
X. visceral pericardium

C.
D.
H.
I.
L.
M.
N.
P.
Q.
T.
X.




1. Resting potential
2. Depolarization
3. Repolarization
4. After-polarization

List the phases of an action potential in order.

true

true or false , if false explain why the statement is false: the central nervous system consists of the brain
and spinal cord

integration center

This part of a reflex is inside the CNS, made up of one or more synapses.

dorsal root ganglion

which of the following structures of the spinal cord contains the cell bodies of afferent neurons

a. lateral femoral cutaneous
b- femoral nerve
c. saphenous

Label the nerves (A-C) in the figure below:
A: _________________
B: _________________
C: _________________

, impaired ability to swallow

which of the following is most likely a symptom of ASL

A&d (IT DOES NOT INVOLVE INTERNEURONS & THE EFFECT OF THE REFLEX IS TO CREATE A CO-
CONTRACTION OF 2 MUSCLES

what is true about the flexor withdrawal reflex

central, peripheral

The _______ nervous system consists of the brain and spinal cord, whereas the ________ nervous
system consists of all nerves not in the brain or spinal cord.

Cushions the brain and spinal cord

Cerebrospinal fluid
A. Cushions the brain and spinal cord
B. Connective tissue membrane
C. Cavities within the brain
D. Prevents most particles from entering brain

Connective tissue membrane

Meninges
A. Cushions the brain and spinal cord
B. Connective tissue membrane
C. Cavities within the brain
D. Prevents most particles from entering brain

Cavities within the brain

Ventricles
A. Cushions the brain and spinal cord
B. Connective tissue membrane
C. Cavities within the brain
D. Prevents most particles from entering brain

Prevents most particles from entering brain

Blood-brain barrier
A. Cushions the brain and spinal cord
B. Connective tissue membrane