Question: The respiratory rhythmicity center is located in
Answer Choices: the cerebrum.
the midbrain.
the medulla oblongata.
the cerebellum.
the pons.
Answer: C – the medulla oblongata
Question: The general senses
Answer Choices: involve receptors that are relatively simple in structure.
are located in specialized structures called sense organs.
cannot generate action potentials.
include taste and smell.
are localized to specific areas of the body.
Answer: A – involve receptors that are relatively simple in structure
Question: A tactile receptor composed of highly coiled dendrites that are surrounded by modified Schwann cells and a fibrous capsule is a
Answer Choices: lamellated corpuscle.
tactile (Merkel) disc.
Ruffini corpuscle.
tactile (Meissner) corpuscle.
root hair plexus.
Answer: D – tactile (Meissner) corpuscle
Question: The part of the peripheral nervous system that carries sensory information to the CNS is designated
Answer Choices: efferent.
motor.
autonomic.
somatic.
afferent.
Answer: E – afferent
Question: Cerebrospinal fluid
Answer Choices: has almost the same composition as blood plasma.
is secreted by ependymal cells.
contains blood cells and blood plasma.
is formed by a passive process.
is normally produced twice as fast as it is removed.
Answer: B – is secreted by ependymal cells
Question: Examples of sensory stimuli include
Answer Choices: touch.
warmth.
vibration.
pain.
All of the answers are correct.
Answer: E – All of the answers are correct
Question: Tactile receptors composed of capsules that surround a core of collagen fibers intertwined with dendrites are called
Answer Choices: tactile (Meissner) corpuscles.
lamellated corpuscles.
tactile discs.
Ruffini corpuscles.
root hair plexuses.
Answer: B – lamellated corpuscles
Question: Which sensation(s) does the vestibulocochlear nerve carry?
Answer Choices: hearing
equilibrium
hearing and equilibrium
hearing, equilibrium, and taste
atmospheric pressure
Answer: C – hearing and equilibrium
Question: Sensory information is processed and relayed to the cerebrum by the
Answer Choices: medulla oblongata.
cerebellum.
midbrain.
thalamus.
pons.
Answer: D – thalamus
Question: Receptors that monitor the position of joints belong to the category called
Answer Choices: proprioceptors.
thermoreceptors.
chemoreceptors.
baroreceptors.
nociceptors.
Answer: A – proprioceptors
Question: Thermoreceptors
Answer Choices: are more numerous for cold than for warm temperatures.
are found within the dermis.
are free nerve endings.
for “cold” are structurally indistinguishable from those for “warm.”
All of the answers are correct.
Answer: E – All of the answers are correct
Question: Tactile discs are to ____ as tactile corpuscles are to ____
Answer Choices: Wilms: Meissner
Merkel; Meissner
Meissner; Merkel
pain: pressure
Pacinian; Merkel
Answer: B – Merkel; Meissner
Question: The medulla oblongata regulates
Answer Choices: blood pressure and respiration.
food intake.
somatic motor contractions.
vision and hearing.
auditory reflexes.
Answer: A – blood pressure and respiration
Question: The term general senses refers to sensitivity to all of the following, except
Answer Choices: taste.
temperature.
vibration.
pain.
touch.
Answer: A – taste
Question: Mechanoreceptors that respond to changes in blood pressure are called
Answer Choices: thermoreceptors.
chemoreceptors.
proprioceptors.
baroreceptors.
nociceptors.
Answer: D – baroreceptors
Question: Which of the following is not one of the special senses?
Answer Choices: taste
smell
vibration
hearing
vision
Answer: C – vibration
Question: The ____ nervous system controls the skeletal muscles.
Answer Choices: somatic
sympathetic
afferent
autonomic
parasympathetic
Answer: A – somatic