Portage Learning Anatomy & Physiology II Module 3
Exam 2026 | Latest Update 2026 | 100% Correct Answers
| Actual Exam Prep
1. If a person has a deformity in the auricle, how might this affect their hearing
ability?
It will completely prevent sound from entering the ear.
It may impair their ability to collect and direct sound waves into the
ear canal.
It will have no effect on their hearing ability.
It will enhance their ability to hear high frequencies.
2. What is the primary function of the malleus in the auditory system?
To amplify sound waves before they enter the cochlea.
To protect the inner ear from loud noises.
To transmit sound vibrations from the tympanic membrane to the
incus.
To convert sound vibrations into electrical signals.
3. What statement is false regarding the middle ear?
the malleus receives vibrations from the eardrum
the stapes receives vibrations from the cochlea
it is filled with air
it contains three small bones
4. What structure in the inner ear is responsible for hearing?
The cochlea
, The organ of Corti
The semicircular canals
The vestibule
5. Describe the significance of the optic chiasm in the visual pathway.
The optic chiasm is where visual information is first processed before
reaching the brain.
The optic chiasm is responsible for the production of tears.
The optic chiasm connects the eye directly to the ear.
The optic chiasm is significant because it allows for the crossing of
visual information from both eyes, enabling depth perception and a
unified field of vision.
6. If a person has a reduced ability to detect musky odors, what might this
indicate about their sensory system?
A complete loss of all sensory functions.
An enhancement in their taste perception.
A potential impairment in their olfactory function.
An increase in their ability to perceive visual stimuli.
7. Which cranial nerve is responsible for taste sensation from the posterior part
of the tongue?
Glossopharyngeal nerve (CN IX)
Vagus nerve (CN X)
Trigeminal nerve (CN V)
Facial nerve (CN VII)
,8. Saliva helps the tongue convert the mouthful of food to a semisolid mass
called a _______ which can be easily swallowed
capsule
molecule
bolus
uvula
9. Which cranial nerve is responsible for controlling the lateral rectus muscle?
Abducens nerve
Oculomotor nerve
Optic nerve
Trochlear nerve
10. Describe how a brain tumor affecting the optic chiasm could lead to specific
visual field deficits.
A brain tumor at the optic chiasm leads to blurred vision without loss
of visual fields.
A brain tumor at the optic chiasm affects only color perception.
A brain tumor at the optic chiasm causes total blindness in one eye.
A brain tumor at the optic chiasm can cause bitemporal
hemianopsia, where the outer visual fields of both eyes are lost.
11. A nurse is caring for a 38-year-old male patient who suffered head trauma as
the result of a motorcycle accident. When assessing Cranial Nerve 1, the
nurse notes that the patient is unable to smell. What word should the nurse
use to describe loss of the ability to smell?
, anisocoria
akathisia
anosmia
acromegaly
12. What are the two main structures found in the middle layer of the eye?
Ciliary body and iris
Aqueous humor and cornea
Optic nerve and retina
Cones and rods
13. If a patient presents with anosmia after a car accident, what diagnostic tests
might a physician consider to assess the extent of olfactory nerve damage?
Vision tests to assess eye function.
Blood tests for hormone levels.
Hearing tests to evaluate auditory pathways.
Olfactory function tests and imaging studies like MRI.
14. The structure at which visual information coming from both eyes is
combined and then splits according to the visual field.
Exam 2026 | Latest Update 2026 | 100% Correct Answers
| Actual Exam Prep
1. If a person has a deformity in the auricle, how might this affect their hearing
ability?
It will completely prevent sound from entering the ear.
It may impair their ability to collect and direct sound waves into the
ear canal.
It will have no effect on their hearing ability.
It will enhance their ability to hear high frequencies.
2. What is the primary function of the malleus in the auditory system?
To amplify sound waves before they enter the cochlea.
To protect the inner ear from loud noises.
To transmit sound vibrations from the tympanic membrane to the
incus.
To convert sound vibrations into electrical signals.
3. What statement is false regarding the middle ear?
the malleus receives vibrations from the eardrum
the stapes receives vibrations from the cochlea
it is filled with air
it contains three small bones
4. What structure in the inner ear is responsible for hearing?
The cochlea
, The organ of Corti
The semicircular canals
The vestibule
5. Describe the significance of the optic chiasm in the visual pathway.
The optic chiasm is where visual information is first processed before
reaching the brain.
The optic chiasm is responsible for the production of tears.
The optic chiasm connects the eye directly to the ear.
The optic chiasm is significant because it allows for the crossing of
visual information from both eyes, enabling depth perception and a
unified field of vision.
6. If a person has a reduced ability to detect musky odors, what might this
indicate about their sensory system?
A complete loss of all sensory functions.
An enhancement in their taste perception.
A potential impairment in their olfactory function.
An increase in their ability to perceive visual stimuli.
7. Which cranial nerve is responsible for taste sensation from the posterior part
of the tongue?
Glossopharyngeal nerve (CN IX)
Vagus nerve (CN X)
Trigeminal nerve (CN V)
Facial nerve (CN VII)
,8. Saliva helps the tongue convert the mouthful of food to a semisolid mass
called a _______ which can be easily swallowed
capsule
molecule
bolus
uvula
9. Which cranial nerve is responsible for controlling the lateral rectus muscle?
Abducens nerve
Oculomotor nerve
Optic nerve
Trochlear nerve
10. Describe how a brain tumor affecting the optic chiasm could lead to specific
visual field deficits.
A brain tumor at the optic chiasm leads to blurred vision without loss
of visual fields.
A brain tumor at the optic chiasm affects only color perception.
A brain tumor at the optic chiasm causes total blindness in one eye.
A brain tumor at the optic chiasm can cause bitemporal
hemianopsia, where the outer visual fields of both eyes are lost.
11. A nurse is caring for a 38-year-old male patient who suffered head trauma as
the result of a motorcycle accident. When assessing Cranial Nerve 1, the
nurse notes that the patient is unable to smell. What word should the nurse
use to describe loss of the ability to smell?
, anisocoria
akathisia
anosmia
acromegaly
12. What are the two main structures found in the middle layer of the eye?
Ciliary body and iris
Aqueous humor and cornea
Optic nerve and retina
Cones and rods
13. If a patient presents with anosmia after a car accident, what diagnostic tests
might a physician consider to assess the extent of olfactory nerve damage?
Vision tests to assess eye function.
Blood tests for hormone levels.
Hearing tests to evaluate auditory pathways.
Olfactory function tests and imaging studies like MRI.
14. The structure at which visual information coming from both eyes is
combined and then splits according to the visual field.
