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APEA 3P - DERMATOLOGY EXAM QUESTIONS WITH CORRECT ANSWERS & RATIONALES GRADED A+
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APEA 3P - DERMATOLOGY EXAM QUESTIONS WITH CORRECT ANSWERS & RATIONALES GRADED A+ Impetigo is characterized by: a. honey-colored crusts. b. silvery scales. c. marble-like lesions. d. wheals with pus. A. Impetigo is a superficial bacterial infection of the skin characterized by honey- co...

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  • October 11, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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HOSMERIT



APEA 3P - DERMATOLOGY EXAM QUESTIONS
WITH CORRECT ANSWERS & RATIONALES
GRADED A+

Impetigo is characterized by:

a. honey-colored crusts.


b. silvery scales.


c. marble-like lesions.


d. wheals with pus.

A.

Impetigo is a superficial bacterial infection of the skin characterized by honey- colored
crusts. Another form of impetigo is characterized by the presence of bullae. These
infections are treated with topical antibiotics, good hygiene, and frequent hand washing. It
is usually caused by Staphylococcus or Group A Streptococcus.

A patient was burned with hot water. He has several 2-3 cm fluid-filled lesions. What are
these termed?

a. Vesicles


b. Bullae


c. Cysts


d. Wheals


B.

Bullae are fluid-filled lesions that are greater than 6 mm in diameter. These are common
in patients who have a superficial partial-thickness burn. Vesicles are also fluid filled, but
they are smaller than 5 mm in diameter. A cyst is enclosed in a sac that can contain fluid

,or gelatinous material. Wheals are erythematous, irregular raised areas on the skin. All of
these are termed primary lesions.

The best way to evaluate jaundice associated with liver disease is to observe: a.

blanching of the hands, feet, and nails.



b. the sclera, skin, and lips.

c. the lips, oral mucosa, and tongue.


d. tympanic membrane and skin only.


B.

Looking at the sclera allows the examiner to see jaundice most easily and reliably.
Jaundice may also appear in the palpebral conjunctiva, lips, hard palate, undersurface of
the tongue, tympanic membrane, and skin. Jaundice in adults usually is a result of liver
disease, but it can be due to excessive hemolysis of red blood cells. In infants, the usual
cause is hemolysis of red blood cells, as is seen in physiologic jaundice.

The most common place for a basal cell carcinoma to be found is the:


a. scalp.

b. Face.

c. Ear.

d. Anterior shin.

B.

The most common presentation of basal cell carcinoma (BCC) is on the face. This is
probably because BCC occurs secondary to sun damage. The most common sun
exposure occurs on the face. In fact, 70% of BCC occurs on the face; 15% occurs on the
trunk.

A topical treatment for basal cell carcinoma is:

a. sulfacetamide lotion.


b. 5-fluorouracil.

, c. tetracycline lotion.


d. trichloroacetic acid.


B.

Several treatments exist for basal and squamous cell carcinoma. The majority are simple
procedures like cryotherapy, electrodessication, surgical excision, and a topical treatment
like 5-fluorouracil (5-FU). The other agents listed are not used to treat basal or squamous
cell carcinoma. 5-FU works by inhibiting DNA synthesis. It is effective if used for
superficial basal cell carcinomas. It is available in cream and solution and is usually
applied twice daily for 3-6 weeks.

A 74-year-old male patient has sustained a laceration to his foot. His last tetanus shot
was more than 10 years ago. He has completed the primary series. What should be
recommended?

a. Tetanus toxoid only

b. Tetanus and diphtheria only

c. His primary series will protect him.

d. Tetanus, diphtheria, and acellular pertussis (Tdap)


D.

More than 10 years has elapsed since this patient’s last tetanus shot. He needs another
one. Tdap is specifically indicated for adolescents, older adults, healthcare providers, and
third trimester pregnant patients who have completed a primary series. Tetanus toxoid is
indicated in the rare adult or child who is allergic to the aluminum adjuvant in the Td
immunization.


A 60-year-old patient is noted to have rounding of the distal phalanx of the fingers. What
might have caused this?

a. Coronary artery disease

b. Hepatic cirrhosis

c.Lead toxicity

d. Iron deficiency anemia

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