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).
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).
