Section 50 1-4 Review
Which of the following statements are false?
Axons of rods and cones make up the optic nerve
Axons that are required for the patella reflex are located in
a spinal nerve
Dorsal roots consists of
afferent neurons
Myelin sheaths surround
axons
Which of the following is associated with the semicircular canals?
balance
The olfactory epithelium
contains chemoreceptors
A typical neuron has more than one
dendrite
The sympathetic division
excites smooth muscles
Each cerebral hemisphere is divided into
four lobes
The cell bodies of neurons are located within the
gray matter
The perception of taste
is based on certain food chemicals
The central nervous system is projected from the injury by the
pia mater dura mater arachnoid layer
The somatic nervous system
primarily affects skeletal muscles
The initiation of an action potential
requires sodium ions move into the neuron
Action potentials require
sodium ions gated channels diffusion
Which of the following is NOT a component of the brain stem?
thalamus
Axons in the ventral root of a spinal nerve could be part of
the autonomic nervous system
A spinal nerve requires
the spinal cord but not the brain
Bones of the middle ear
transfer sound vibrations to the inner ear
In a neuron neurotransmitters are stored in
vesicles within axon terminals