Straighterline Sciences 2024-2025 BIO
201 Straighterline Anatomy and
Physiology 1 Exam 4 Questions and
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, BIO 201 Straighterline Anatomy and Physiology 1 Exam 4
Questions and Answers
1. Mechanoreceptors respond
d. compression
to Select one:
of receptors.
a. a change in temperature.
b. light striking the receptors.
c. binding of molecules to membrane receptors.
d. compression of receptors.
e. irritation of nerve endings.
2. Visual input is sent to the brainstem via the b. optic;
trigeminal
nerve, whereas the nerve sends facial
sen- sation to the brainstem.
Select one:
a. facial; trochlear
b. optic; trigeminal
c. trigeminal; accessory
d. optic; facial
3. Lesions of the limbic system might result in d. a voracious
Select one: ap- petite.
a. loss of coordination.
b. decreased sexual activity.
c. loss of sensation.
d. a voracious appetite.
e. enhanced fear and anger responses.
4. The gate control theory of pain says that pain d. dorsal col-
impuls- es traveling through the lateral umn/medial
spinothalamic tract can be suppressed by increased lem- niscal
activity of the Select one: system.
a. tertiary neurons.
b. extrapyramidal tracts.
c. spinocerebellar tracts.
d. dorsal column/medial lemniscal system.
e. anterior spinothalamic tract.
5. The region of the limbic system that is involved in
the feeling of satisfaction with sex and feeding
a. cingulate
behaviors is the .
gyrus
Select one:
, BIO 201 Straighterline Anatomy and Physiology 1 Exam 4
Questions and Answers
a. cingulate gyrus
b. hippocampus
c. thalamus
d. amygdala
6. Which of the following correctly describes b. Vestibular
the vestibular projection pathway to the nerve
brain? Select one: - vestibulo-
a. Vestibulocochlear nerve - vestibular nerve - cochlear nerve
vestibu- lar nuclei - thalamus - cerebral cortex - vestibular
b.Vestibular nerve - vestibulocochlear nerve - nuclei -
vestibu- lar nuclei - thalamus - cerebral cortex thalamus -
c. Vestibular nerve - vestibulocochlear nerve - cere- bral
thala- mus - vestibular nuclei - cerebral cortex cortex
d. Vestibulocochlear nerve - vestibular nerve -
thala- mus - vestibular nuclei - cerebral cortex
7. Some thyroid disorders are characterized by an in-
crease in the width of the palpebral fissure. This
would be an increase in the distance between the .
Select one: a. eyelids
a. eyelids
b. lacrimal glands
c. eyelashes
d. eyebrows
e. eyes
8. Which of the following correctly differentiates
en- dolymph and perilymph? (Check all that
apply.) Select one or more:
a. Endolymph is within the membranous labyrinth,
d. Endolymph
and perilymph is between the membranous
has a high
labyrinth and the bony labyrinth.
concentra- tion
b. Endolymph has a low concentration of K+ and a
of K+ and a low
high concentration of Na+ compared to
concentration
perilymph.
c. Endolymph is between the membranous of Na+
labyrinth and the bony labyrinth, and perilymph is compared to
within the membranous labyrinth. perilymph.
, BIO 201 Straighterline Anatomy and Physiology 1 Exam 4
Questions and Answers
d. Endolymph has a high concentration of K+ and
a low concentration of Na+ compared to perilymph.
9. When rhodopsin is exposed to e. retinal
light, Select one: sepa- rates
a. retinal becomes more attached to opsin. from opsin.
b. more rhodopsin is formed.
c. the cones generate action potentials.
d. free retinal is converted to vitamin A.
e. retinal separates from opsin.
10.Pinkeye is an acute inflammation of the .
Select one: c. conjunctiva
a. lacrimal gland
b. choroid
c. conjunctiva
d. retina
e. sclera
11.Axons exit the sympathetic chain ganglia by all of
the following except c. cranial
Select one:
nerves.
a. splanchnic nerves.
b. sympathetic nerves.
c. cranial nerves.
d. spinal nerves.
e. nerves that innervate the adrenal medulla.
12.Match the phrase to either the sympathetic or
parasympathetic division of the autonomic
nervous system.Effects are short-lived
Select one: a.
a. Parasympathetic Parasympathet-
b. Sympathetic ic
13.Which of the following statements is
true? Select one:
a. Increased parasympathetic activity is consistent
with increased physical activity.
b. There is dual innervation of all organs. c. The sympa-
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