Question: Which of the following structures is not part of the external ear?

Answer Options:
A. external acoustic meatus
B. pinna
C. tympanic membrane
D. pharyngotympanic tube

Answer Options:
A. external acoustic meatus
B. pinna
C. tympanic membrane
D. pharyngotympanic tube

Answer: D. pharyngotympanic tube

Question: Where would you not find an autonomic ganglion?

Answer Options:
In the head
In the cervical region
Close to the visceral effectors they serve
In the brain

Answer: In the brain

Question: The quality of a sound is based on the atmospheric pressure at the time the sound is generated.

Answer Options:
True
False

Answer: False

Question: The force of muscle contraction is controlled by multiple motor unit summation or ________.

Answer Options:
True
False

Answer: True

Question: Light passes through the following structures in which order?

Answer Options:
A. vitreous humor, lens, aqueous humor, cornea
B. aqueous humor, cornea, lens, vitreous humor
C. cornea, vitreous humor, lens, aqueous humor
D. cornea, aqueous humor, lens, vitreous humor

Answer Options:
A. vitreous humor, lens, aqueous humor, cornea
B. aqueous humor, cornea, lens, vitreous humor
C. cornea, vitreous humor, lens, aqueous humor
D. cornea, aqueous humor, lens, vitreous humor

Answer: D. cornea, aqueous humor, lens, vitreous humor

Question: Receptors for hearing are located in the _______.

Answer Options:
a) cochlea
b) tympanic membrane
c) vestibule
d) semicircular canals

Answer: a) cochlea

Question: The receptor membranes of gustatory cells are ________.

Answer Options:
fungiform papillae
basal cells
gustatory hairs

Answer: gustatory hairs

Question: Light passes through the following structures in which order?

Answer Options:
cornea, aqueous humor, lens, vitreous humor, retina
vitreous humor, lens, aqueous humor, cornea
aqueous humor, cornea, lens, vitreous humor
cornea, vitreous humor, lens, aqueous humor

Answer: cornea, aqueous humor, lens, vitreous humor, retina

Question: Select the correct statement about olfaction.

Answer Options:
Olfactory adaptation is only due to fading of receptor cell responses.
Substances must be volatile and hydrophobic in order to activate olfactory receptors.
Some of the sensation of olfaction is actually one of pain.
Olfactory receptors have a high degree of specificity toward a single type of chemical.

Answer: Substances must be volatile and hydrophobic in order to activate olfactory receptors.

Question: As sound levels increase in the spiral organ (of Corti), ________.

Answer Options:
inner hair cells bend the cilia away from the kinocilium
outer hair cells stiffen the basilar membrane
inner hair cells stiffen the basilar membrane
outer hair cells bend the cilia away from the kinocilium

Answer: outer hair cells stiffen the basilar membrane

Question: A reflex that causes muscle relaxation and lengthening in response to muscle tension is called a ________.

Answer Options:
A. crossed extensor reflex
B. plantar reflex
C. tendon reflex
D. flexor reflex

Answer Options:
A. crossed extensor reflex
B. plantar reflex
C. tendon reflex
D. flexor reflex

Answer: C. tendon reflex

Question: The quality of a sound is based on the atmospheric pressure at the time the sound is generated.

Answer Options:
True
False

Answer: False

Question: Light passes through the following structures in which order?

Answer Options:
a) vitreous humor, lens, aqueous humor, cornea
b) cornea, aqueous humor, lens, vitreous humor
c) aqueous humor, cornea, lens, vitreous humor
d) cornea, vitreous humor, lens, aqueous humor

Answer: b) cornea, aqueous humor, lens, vitreous humor

Question: What structure regulates the amount of light passing to the visual receptors of the eye?

Answer Options:
a) iris
b) lens
c) cornea
d) aqueous humor

Answer: a) iris

Question: What is the main function of the rods in the eye?

Answer Options:
vision in dim light
accommodation for near vision
depth perception
color vision

Answer: vision in dim light

Question: Pressure, pain, and temperature receptors in the skin are ________.

Answer Options:
A. mechanoreceptors
B. thermoreceptors
C. proprioceptors
D. exteroceptors

Answer Options:
A. mechanoreceptors
B. thermoreceptors
C. proprioceptors
D. exteroceptors

Answer: D. exteroceptors

Question: Receptors for hearing are located in the _______.

Answer Options:
a) cochlea
b) tympanic membrane
c) vestibule
d) semicircular canals

Answer: a) cochlea

Question: Light passes through the entire thickness of the neural layer of the retina to excite the photoreceptors.

Answer Options:
True
False

Answer: True