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JCAHPO COA Book – Questions With Correct Answers
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JCAHPO COA Book – Questions With Correct Answers
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JCAHPO COA Book – Questions With Correct AnswersThe meibomian glands are:
A) in the ciliary body.
B) in the tarsus.
C) in the hair follicles.
E) associated with the lacrimal glands.
F) in the conjunctiva Right Ans - In the tarsus
The vitreous body comprises:
A) the pigment structure of the eye.
B) the aqueous-forming part of the eye.
C) the sensory structure of the eye.
D) two-thirds of the volume of the eye.
E) the heat-absorbing portion of the eye. Right Ans - Two-thirds of the
volume of the eye
The orbicularis oculi is the muscle that:
dilates the pupil.
affects accommodation.
closes the eyelids.
opens the lids.
constricts the pupil. Right Ans - Closes the eyelids
The pupil is not affected by:
Pain
Light
Accommodation
Mydriatics
Congenital color blindness Right Ans - Congenital color blindness
Yellow lenses act as ____________ filters. Right Ans - haze
If the mechanical center of a lens is changed by edging, what happens to the
optical center?
It remains where it was on the lens.
It is displaced toward the edge most shortened.
It is displaced according to Prentice's rule.
It shifts laterally but never vertically.
, None of the above. Right Ans - It remains where it was on the lens
Aberrations of a lens include:
spherical aberration.
astigmatism of oblique pencils.
chromatic aberration.
pincushion and barrel distortion.
all of the above. Right Ans - All of the above
Which of the following agents is capable of controlling the herpes simplex
organism?
Chloramphenicol
Gentamicin (Garamycin)
Valcyclovir (Valtrex)
Homatropine
Fluorescein Right Ans - Valcyclovir (Valtrex)
Inflammation of the inner ocular coats is called ____________. Right Ans -
Endophthalmitis.
Conjunctivitis caused by this infectious agent often produces enlargement of
the preauricular lymph node.
Staphylococcus
Pneumococcus
Haemophilus
Adenovirus
Streptococcus Right Ans - Adenovirus
A 30-year-old male laborer has a densely infiltrated corneal ulcer 10 days
after an abrasion to the central cornea. A hypopyon is present. Which is the
most appropriate immediate procedure?
Give him an antibiotic drop and tell him to return in 3 days if it has not
improved.
Presume that the patient has a fungal keratitis and start him on therapy with
an antifungal agent.
Make a smear and obtain specimens for culture, then start the appropriate
therapy once the laboratory has informed you of the Right Ans - Make a
smear and take specimens for culture, start antibiotics appropriate for gram-
negative and gram-positive organisms, and reevaluate patient in 24 hours.
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