PMED 2022 PRACTICE EXAM
QUESTIONS AND ANSWERS ALL
SOLVED
The _______, also called the eyeball, is a spherical structure measuring about 1 inch in
diameter.
A) iris
B) globe
C) retina
D) cornea - b
In contrast to the oculomotor nerve, the optic nerve:
A) is the second cranial nerve and provides the sense of vision.
B) carries parasympathetic nerve fibers that constrict the pupil.
C) is the third cranial nerve and regulates movement of the eyes.
D) innervates the muscles that cause motion of the upper eyelids. - a
Icteric sclera are:
A) white.
B) cloudy.
C) yellow.
D) bloodshot. - c
Cataracts are caused by clouding of the:
A) iris.
B) cornea.
C) retina.
D) sclera. - b
In dark-skinned patients, cyanosis can be detected in the:
A) sclera.
B) iris.
C) cornea.
D) conjunctiva. - d
Which of the following structures receives light impulses and converts them to nerve
signals that are conducted to the brain by the optic nerve and interpreted as vision?
A) Retina
B) Cornea
C) Pupil
D) Lens - a
, Central vision is processed by the ________, which is the ________.
A) retina, central portion of the macula
B) pupil, circular opening within the iris
C) macula, central portion of the retina
D) iris, circular opening within the pupil - c
The __________ are cone-shaped fossae that enclose and protect the eyes.
A) zygomas
B) orbits
C) condyles
D) crista galli - b
Which of the following statements regarding vitreous humor is correct?
A) Vitreous humor can be replenished, but it takes many years.
B) Vitreous humor is contained within the posterior chamber of the eye.
C) Vitreous humor is a jelly-like substance that maintains the shape of the globe.
D) Vitreous humor is a clear fluid that is responsible for tear production. - c
Aqueous humor:
A) is contained in the anterior chamber of the eye.
B) cannot be replenished by the body if it is lost.
C) is contained in the posterior chamber of the eye.
D) is found between the iris and the lens of the eye. - a
The ________________ secretes and drains tears from the eye.
A) nasolacrimal duct
B) conjunctiva
C) aqueous humor
D) nasolacrimal apparatus - d
Cardiac monitoring is recommended when caring for a patient with an eye-related
emergency because:
A) eye drops or medication can cause a marked elevation in the heart rate.
B) ocular pressure can stimulate the vagus nerve and cause bradycardia.
C) vitreous humor loss can result in a variety of ventricular dysrhythmias.
D) AV heart blocks commonly occur when vitreous humor is lost. - B
Common symptoms of diabetic retinopathy include all of the following, EXCEPT:
A) floaters.
B) blurred vision.
C) yellow vision.
D) blind spots. - C
Which of the following statements regarding the nasal septum is correct?
A) It may be slightly deviated to one side or the other.
B) The nasal septum is comprised mainly of cartilage.
QUESTIONS AND ANSWERS ALL
SOLVED
The _______, also called the eyeball, is a spherical structure measuring about 1 inch in
diameter.
A) iris
B) globe
C) retina
D) cornea - b
In contrast to the oculomotor nerve, the optic nerve:
A) is the second cranial nerve and provides the sense of vision.
B) carries parasympathetic nerve fibers that constrict the pupil.
C) is the third cranial nerve and regulates movement of the eyes.
D) innervates the muscles that cause motion of the upper eyelids. - a
Icteric sclera are:
A) white.
B) cloudy.
C) yellow.
D) bloodshot. - c
Cataracts are caused by clouding of the:
A) iris.
B) cornea.
C) retina.
D) sclera. - b
In dark-skinned patients, cyanosis can be detected in the:
A) sclera.
B) iris.
C) cornea.
D) conjunctiva. - d
Which of the following structures receives light impulses and converts them to nerve
signals that are conducted to the brain by the optic nerve and interpreted as vision?
A) Retina
B) Cornea
C) Pupil
D) Lens - a
, Central vision is processed by the ________, which is the ________.
A) retina, central portion of the macula
B) pupil, circular opening within the iris
C) macula, central portion of the retina
D) iris, circular opening within the pupil - c
The __________ are cone-shaped fossae that enclose and protect the eyes.
A) zygomas
B) orbits
C) condyles
D) crista galli - b
Which of the following statements regarding vitreous humor is correct?
A) Vitreous humor can be replenished, but it takes many years.
B) Vitreous humor is contained within the posterior chamber of the eye.
C) Vitreous humor is a jelly-like substance that maintains the shape of the globe.
D) Vitreous humor is a clear fluid that is responsible for tear production. - c
Aqueous humor:
A) is contained in the anterior chamber of the eye.
B) cannot be replenished by the body if it is lost.
C) is contained in the posterior chamber of the eye.
D) is found between the iris and the lens of the eye. - a
The ________________ secretes and drains tears from the eye.
A) nasolacrimal duct
B) conjunctiva
C) aqueous humor
D) nasolacrimal apparatus - d
Cardiac monitoring is recommended when caring for a patient with an eye-related
emergency because:
A) eye drops or medication can cause a marked elevation in the heart rate.
B) ocular pressure can stimulate the vagus nerve and cause bradycardia.
C) vitreous humor loss can result in a variety of ventricular dysrhythmias.
D) AV heart blocks commonly occur when vitreous humor is lost. - B
Common symptoms of diabetic retinopathy include all of the following, EXCEPT:
A) floaters.
B) blurred vision.
C) yellow vision.
D) blind spots. - C
Which of the following statements regarding the nasal septum is correct?
A) It may be slightly deviated to one side or the other.
B) The nasal septum is comprised mainly of cartilage.
