17, 23) 294 QUESTIONS WITH
COMPLETE SOLUTIONS!!
1 of 294
Term
Which of the following groups of individuals need to be tested for
the presence of color blindness (deficiency)?
a. White girls between the ages of 4 and 8 years
b. White boys between the ages of 4 and 8 years
c. Asian girls between the ages of 3 and 6 years
d. Black boys between the ages of 10 and 15 years
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,a. This is an expected variation associated with this individual.
Rationale:
Bifid uvula is a condition in which the uvula is split either completely or partially.
This condition occurs in 18% of individuals in some American Indian groups. Bifid
uvula may indicate a submucous cleft palate. Bifid uvula is not associated with
oral cancer. The incidence of bifid uvula is common in American Indians.
b. White boys between the ages of 4 and 8 years
Rationale:
Color blindness is an inherited recessive X-linked trait affecting about 8% of
white boys and 4% of black boys. Test only boys for color vision once
between the ages of 4 and 8 years.
d. oxycodone.
Rationale:
The three most frequently abused prescription opioid pain relievers are products
using oxycodone, hydrocodone, and methadone. Meperidine is not a frequently
abused prescription pain medication. Morphine is not a frequently abused
prescription pain medication. Propoxyphene is not a frequently abused
prescription pain medication.
c. Ganma-glutamyl transferase (GGT)
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, 2 of 294
Term
Name and describe the 3 concentric coats of the eyeball.
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The three concentric coats of the eyeball are as follows:
(1) The outer fibrous sclera is a tough, protective, white covering that is
continuous anteriorly with the smooth, transparent cornea.
(2) The middle vascular choroid delivers blood to the retina. Anteriorly, the
choroid is continuous with the ciliary body and the iris.
(3) The inner nervous retina is the visual receptive layer of the eye in which
light waves are changed into nerve impulses.
1. further tooth loss
2. muscle imbalance from a mandible and maxilla now out of alignment, which
produces muscle spasms, tenderness, and chronic headaches
3. stress on the temporomandibular joint, leading to osteoarthritis, pain, and
inability to fully open the mouth.
Presbycusis is a type of hearing loss that occurs with aging and is a gradual
sensorineural loss caused by nerve degeneration in the inner ear or auditory
nerve. Its onset usually occurs around age 50, and then slowly progresses. Early
on, the person notices loss of high-frequency tone; it is harder to hear
consonants than vowels. The presence of background noise makes the ability to
localize sounds more difficult.