MDC ch 55 Exam Questions and Answers with Verified Solutions | Latest Updated 2026

MDC ch 55 Exam Questions and Answers
with Verified Solutions | Latest Updated 2026



• Beau lines: Horizontal ridges or grooves in the nail.



• Koilonychia: Spoon-shaped nails.



• Clubbing: Enlarged, curved nails with an angle
greater than
180°.


• Paronychia: Infection around the nail.



• Albinism: Complete lack of melanin/pigment.



• Androgenic alopecia: Male or female pattern baldness.



• Pallor: Paleness of the skin.



• Cyanosis: Dusky blue skin caused by a lack of
oxygen.


• Erythema: Redness of the skin.



• Jaundice: Yellow skin/eyes caused by high bilirubin.

, • Carotenemia: Yellow-orange tint from eating
carotene-rich
foods.


• Vitiligo: Patchy white spots caused by destroyed
pigment
cells.


• Addison disease: Bronzed "external tan" appearance.



• Cherry angiomas: Normal, bright red "moles".



• Solar lentigo: Liver spots.



• Seborrheic keratoses: Crusty, brown "stuck-on" patches.



• Xanthelasma: Yellow, waxy deposits on the eyelids.



• Macule: Flat color change smaller than 1 cm (e.g.,
freckle).


• Patch: Flat color change larger than 1 cm.



• Papule: Raised, solid mass smaller than 0.5 cm
(e.g., wart).