Answer Options:
a) lentiform nucleus
b) subthalamic nucleus
c) dorsomedial nucleus
d) suprachiasmatic nucleus
Answer: d) suprachiasmatic nucleus
Question: Which of these effectors is not directly controlled by the autonomic nervous system?
Answer Options:
smooth muscle
skeletal muscle
cardiac muscle
most glands
Answer: skeletal muscle
Question: Injury to the hypothalamus may result in all of the following except ______.
Answer Options:
loss of body temperature control
loss of proprioception
paradoxical sleep
production of excessive quantities of urine
Answer: paradoxical sleep
Question: The “resting and digesting” division of the autonomic nervous system is the _______.
Answer Options:
sympathetic division
peripheral nervous system
parasympathetic division
somatic division
Answer: parasympathetic division
Question: The blood-brain barrier is effective against ________.
Answer Options:
a) anesthetics
b) nutrients such as glucose
c) alcohol
d) metabolic waste such as urea
Answer: d) metabolic waste such as urea
Question: Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials?
Answer Options:
a) leakage channel
b) voltage-gated channel
c) mechanically gated channel
d) ligand-gated channel
Answer: b) voltage-gated channel
Question: A reflex that causes muscle relaxation and lengthening in response to muscle tension is called a _______.
Answer Options:
crossed-extensor reflex
plantar reflex
tendon reflex
flexor reflex
Answer: tendon reflex
Question: Which is the correct order of events from stimulus to response?
Answer Options:
a) Stimulus, Efferent Pathway, Control Center, Afferent Pathway, Receptor, Response
b) Stimulus, Receptor, Efferent Pathway, Control Center, Afferent Pathway, Effector, Response
c) Stimulus, Receptor, Afferent Pathway, Control Center, Efferent Pathway, Effector, Response
d) Stimulus, Efferent Pathway, Afferent Pathway, Control Center, Afferent Pathway, Receptor, Response
Answer: c) Stimulus, Receptor, Afferent Pathway, Control Center, Efferent Pathway, Effector, Response
Question: Bell’s palsy is ________.
Answer Options:
characterized by paralysis of facial muscles
often caused by inflammation of the trigeminal nerve
characterized by loss of vision
characterized by partial paralysis of diaphragm muscles
Answer: characterized by paralysis of facial muscles
Question: The term central nervous system refers to the _______.
Answer Options:
a) spinal cord and spinal nerves
b) peripheral and spinal nerves
c) brain, spinal cord, and peripheral nerves
d) brain and spinal cord
Answer: d) brain and spinal cord
Question: Nerves that carry impulses toward the CNS only are _______.
Answer Options:
a) afferent nerves
b) motor nerves
c) efferent nerves
d) mixed nerves
Answer: a) afferent nerves
Question: Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte.
Answer Options:
True
False
Answer: True
Question: Which of the following is not a function of astrocytes?
Answer Options:
anchor neurons to blood vessels
provide the defense for the CNS
support and brace neurons
control the chemical environment around neurons
guide the migration of young neurons, synapse formation, and helping to determine capillary permeability
Answer: provide the defense for the CNS
Question: Control of temperature, endocrine activity, and thirst are functions associated with the _______.
Answer Options:
a) cerebellum
b) medulla
c) thalamus
d) hypothalamus
Answer: d) hypothalamus
Question: The glossopharyngeal nerve is the only cranial nerve that contains sensory fibers.
Answer Options:
True
False
Answer: False