homework week 5 quiz

Question 1

A red, tender lump in the eyelid or at the lid margin is called a:
Select one:
a. rust ring.
b. hyphema. 
c. chalazion.
d. hordeolum.

Answer 1

d. hordeolum.

Question 2

Aqueous humor:
Select one:
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.

Answer 2

a. is contained in the anterior chamber of the eye.

Question 3

Headaches, nausea and vomiting, narrowing vision fields, and a “graying” in the field of vision are consistent with:
Select one:
a. glaucoma. 
b. papilledema.
c. corneal abrasion.
d. anterior uveitis.

Answer 3

b. papilledema.

Question 4

Vertigo or loss of balance following an ear infection or upper respiratory infection is MOST consistent with:
Select one:
a. labyrinthitis.
b. Meniere disease. 
c. otitis externa.
d. impacted cerumen.

Answer 4

a. labyrinthitis.

Question 5

Treatment for Meniere disease includes:
Select one:
a. tubes placed in the ears.
b. diuretics and antiemetics. 
c. hearing aids and analgesics.
d. hydration and antipyretics.

Answer 5

b. diuretics and antiemetics.

Question 6

Leukoplakia:
Select one:
a. is caused by the fungus Candida albicans.
b. presents with red swollen gums that bleed easily during brushing.
c. is a smoker’s disease that causes excess cell growth in the mouth.
d. presents with dark yellow or brown patches in the oral cavity.

Answer 6

c. is a smoker’s disease that causes excess cell growth in the mouth.

Question 7

What is the pathophysiology of Meniere disease?
Select one:
a. Irritation and swelling in the inner ear affect the nerves of the inner ear and produce dizziness, loss of balance, and tinnitus.
b. Dysfunction of the eustachian tube leads to increased pressure within the middle ear, which causes damage to the malleus, incus, and stapes.
c. The angle of the eustachian tube does not allow for proper drainage, which allows infective material to collect in the middle ear and cause infection.
d. Endolymphatic rupture creates increased pressure in the cochlear duct, which then leads to damage to the organ of Corti and the semicircular canals.

Answer 7

d. Endolymphatic rupture creates increased pressure in the cochlear duct, which then leads to damage to the organ of the Corti and the semicircular canals.

Question 8

Signs or symptoms of otitis media include:
Select one:
a. hypersensitivity to sound. 
b. bilateral chronic tinnitus.
c. bulging tympanic membrane.
d. vertigo and violent vomiting.

Answer 8

c. bulging tympanic membrane.

Question 9

Causes of rhinitis may include all of the following, EXCEPT:
Select one:
a. chemical irritants.
b. high humidity.
c. antihypertensives. 
d. cold temperature.

Answer 9

b. high humidity.

Question 10

A patient with a dysconjugate gaze following an ocular injury:
Select one:
a. most likely has a concomitant basilar skull fracture.
b. should have ice applied to the eyes to prevent blindness.
c. has discoordination between the movements of both eyes.
d. should be treated by irrigating both eyes for 20 minutes.

Answer 10

c. has discoordination between the movements of both eyes.

Question 11

Paralysis of cranial nerve \_\_\_\_ can cause unilateral facial and gag reflex paralysis.
Select one:
a. V
b. VI 
c. VII
d. X

Answer 11

c. VII

Question 12

Which of the following statements regarding conjunctivitis is correct?
Select one:
a. Allergic conjunctivitis is extremely contagious.
b. Conjunctivitis usually spreads to the opposite eye.
c. Viral and bacterial conjunctivitis are not contagious.
d. Lower respiratory infections often cause conjunctivitis.

Answer 12

b. Conjunctivitis usually spreads to the opposite eye.

Question 13

Glaucoma is a condition caused by:
Select one:
a. a loss of peripheral vision.
b. retinal artery occlusion.
c. increased intraocular pressure.
d. decreased vitreous humor.

Answer 13

c. increased intraocular pressure.

Question 14

A yeast infection that causes white patches in the mouth or on the tongue is called:
Select one:
a. thrush. 
b. gingivitis.
c. leukoplakia.
d. halitosis.

Answer 14

a. thrush.

Question 15

A distorted sense of smell in which a person perceives unpleasant odors when the odors do not exist is called:
Select one:
a. dysosmia. 
b. hyperosmia.
c. presbyosmia.
d. anosmia.

Answer 15

a. dysosmia.

Question 16

The ONLY indication for removing contact lenses in the prehospital setting is:
Select one:
a. chemical eye burns.
b. acute conjunctivitis.
c. cardiopulmonary arrest.
d. a foreign body in the eye.

Answer 16

a. chemical eye burns.

Question 17

In contrast to the oculomotor nerve, the optic nerve:
Select one:
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.

Answer 17

a. is the second cranial nerve and provides the sense of vision.

Question 18

Which of the following is a complication associated with dysfunction of cranial nerves VI, VII, IX, and XII?
Select one:
a. Hearing impairment 
b. Acute ischemic stroke
c. Aspiration pneumonia
d. Upper airway obstruction

Answer 18

c. Aspiration pneumonia

Question 19

Systemic signs of a dental abscess include:
Select one:
a. fever and chills. 
b. inflammation.
c. swelling and pain.
d. mandibular pain.

Answer 19

a. fever and chills.

Question 20

Patients with glaucoma often complain of:
Select one:
a. a blind spot toward the center of vision.
b. a sudden painless complete loss of vision.
c. specks or floaters in the field of vision.
d. intense burning or itching around the eyes.

Answer 20

a. blind spot toward the center of vision.