WSU Bio 315 Exam 2 with correct
answers 100% 2026
A receptor that monitors stretch of a skeletal muscle (tautness) can be classified as
a. exteroceptor
b. proprioceptor
c. Meissner's corpuscle
d. special somatic receptor
e. special visceral receptor - Correct Answer b. proprioceptor
Somatic motor neuron carries ___
a. information that signals smooth muscle contraction in organs in ventral cavity
b. information, such as pain, from viscera in ventral cavity to CNS
c. motor commands from CNS to skeletal muscles
d. sensory information from skin to CNS
e. information about taste to CNS - Correct Answer c. motor commands from CNS to skeletal
muscles
Which of the following best describes tracts in the nervous system?
a. groups of axons in CNS
b. groups of dendrites
c. groups of neuron cell bodies in CNS
d. groups of neuron cell bodies in PNS
e. groups of synapses - Correct Answer a. groups of axons in CNS
Axosomatic synapse occur between axon terminals of one neuron and the ____ of the second
neuron
,a. synapse
b. axon terminal
c. axon
d. cell body
e. dendrite - Correct Answer d. cell body
Which of the following is NOT a special somatic sense?
a. smell
b. pain
c. hearing
d. equilibrium (balance)
e. vision - Correct Answer b. pain
Myelin sheaths on axons function to ___
a. make axons live longer
b. store nutrients for use by neurons
c. cover Nodes of Ranvier
d. increase speed of action potential conduction
e. increase strength of electrical impulses - Correct Answer d. increase speed of action potential
conduction
The peripheral nerves that cause contraction of smooth muscle of digestive tract are classified
as____
a. general visceral sensory
b. special visceral sensory
c. special somatic motor
d. general visceral motor
, e. interneurons - Correct Answer d. general visceral motor
Which neuroglia cells play a role in maintaining blood brain barrier?
a. ependymal cells
b. microglial cells
c. astrocytes
d. Schwann cells
e. oligodendrocytes - Correct Answer c. astrocytes
In the embryonic spinal cord, motor neurons develop primarily from the ______
a. alar plate nuerons
b. basal plate neurons
c. central canal
d. neural crest
e. neuroglia - Correct Answer b. basal plate neurons
Connective tissue covering of each individual axon within peripheral nerve is the ___
a. endoneurium
b. perineurium
c. ectoneurium
d. epineurium
e. capsule - Correct Answer a. endoneurium
The myelencephalon develops into what adult brain structure
a. hypothalamus
b. cerebrum
answers 100% 2026
A receptor that monitors stretch of a skeletal muscle (tautness) can be classified as
a. exteroceptor
b. proprioceptor
c. Meissner's corpuscle
d. special somatic receptor
e. special visceral receptor - Correct Answer b. proprioceptor
Somatic motor neuron carries ___
a. information that signals smooth muscle contraction in organs in ventral cavity
b. information, such as pain, from viscera in ventral cavity to CNS
c. motor commands from CNS to skeletal muscles
d. sensory information from skin to CNS
e. information about taste to CNS - Correct Answer c. motor commands from CNS to skeletal
muscles
Which of the following best describes tracts in the nervous system?
a. groups of axons in CNS
b. groups of dendrites
c. groups of neuron cell bodies in CNS
d. groups of neuron cell bodies in PNS
e. groups of synapses - Correct Answer a. groups of axons in CNS
Axosomatic synapse occur between axon terminals of one neuron and the ____ of the second
neuron
,a. synapse
b. axon terminal
c. axon
d. cell body
e. dendrite - Correct Answer d. cell body
Which of the following is NOT a special somatic sense?
a. smell
b. pain
c. hearing
d. equilibrium (balance)
e. vision - Correct Answer b. pain
Myelin sheaths on axons function to ___
a. make axons live longer
b. store nutrients for use by neurons
c. cover Nodes of Ranvier
d. increase speed of action potential conduction
e. increase strength of electrical impulses - Correct Answer d. increase speed of action potential
conduction
The peripheral nerves that cause contraction of smooth muscle of digestive tract are classified
as____
a. general visceral sensory
b. special visceral sensory
c. special somatic motor
d. general visceral motor
, e. interneurons - Correct Answer d. general visceral motor
Which neuroglia cells play a role in maintaining blood brain barrier?
a. ependymal cells
b. microglial cells
c. astrocytes
d. Schwann cells
e. oligodendrocytes - Correct Answer c. astrocytes
In the embryonic spinal cord, motor neurons develop primarily from the ______
a. alar plate nuerons
b. basal plate neurons
c. central canal
d. neural crest
e. neuroglia - Correct Answer b. basal plate neurons
Connective tissue covering of each individual axon within peripheral nerve is the ___
a. endoneurium
b. perineurium
c. ectoneurium
d. epineurium
e. capsule - Correct Answer a. endoneurium
The myelencephalon develops into what adult brain structure
a. hypothalamus
b. cerebrum
