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Ch. 5 The Integumentary System
Marieb - Human Anatomy & Physiology 11th Edition
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034Not the one you use?Change textbook
All textbooksMarieb, Hoehn 11th EditionCh. 5 The Integumentary SystemProblem 16
Chapter 5, Problem 16

Count Dracula, the most famous vampire, rumored to have killed at least 200,000 people, was based on a real person who lived in eastern Europe about 600 years ago. He was indeed a “monster,” although he was not a real vampire. The historical Count Dracula may have suffered from which of the following?
(a) Porphyria
(b) EB
(c) Halitosis
(d) Vitiligo
Explain your answer.

Verified step by step guidance
1
Step 1: Understand the context of the question, which relates to the historical figure Count Dracula and the medical condition he may have suffered from that could explain vampire-like symptoms.
Step 2: Review the options given: (a) Porphyria, (b) EB (Epidermolysis Bullosa), (c) Halitosis, and (d) Vitiligo, and recall their definitions and symptoms.
Step 3: Recognize that Porphyria is a group of disorders caused by abnormalities in the chemical steps leading to heme production, which can cause photosensitivity, skin lesions, and sometimes neurological symptoms that might be linked to vampire myths.
Step 4: Compare the other options: EB causes fragile skin but is less associated with vampire myths; Halitosis is bad breath; Vitiligo causes loss of skin pigmentation but does not explain vampire-like symptoms.
Step 5: Conclude that Porphyria is the most plausible condition historically linked to the vampire legend due to its symptoms that align with vampire characteristics such as sensitivity to sunlight and skin issues.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Porphyria

Porphyria is a group of rare genetic disorders affecting the production of heme, a component of hemoglobin. Symptoms can include sensitivity to sunlight, skin lesions, and neurological issues, which some have linked to vampire myths due to photosensitivity and discolored teeth. It is often discussed in relation to historical figures like Count Dracula.

Epidermolysis Bullosa (EB)

Epidermolysis Bullosa is a rare genetic condition causing fragile skin that blisters easily from minor injuries or friction. While it causes severe skin symptoms, it is not commonly associated with vampire legends or the traits attributed to Count Dracula.

Vitiligo

Vitiligo is a condition where the skin loses pigment cells, leading to white patches. Although it affects appearance, it does not cause symptoms linked to vampire myths such as photosensitivity or blood-related issues, making it less relevant to the historical Dracula's portrayal.
Related Practice
Textbook Question

Mrs. Gaucher received second-degree burns on her abdomen when she dropped a kettle of boiling water. She asked her doctor (worriedly) if she would need a skin graft. What do you think he told her?

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Textbook Question

The rule of nines is helpful clinically in

a. Diagnosing skin cancer

b. Estimating the extent of a burn

c. Estimating how serious a cancer is

d. Preventing acne

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Textbook Question

Why are there no skin cancers that originate from stratum corneum cells?

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Textbook Question

Which of the following is not an epidermal derivative?

a. Hair

b. Sweat gland

c. Sensory receptor

d. Sebaceous gland.

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Textbook Question

Explain each of these familiar phenomena in terms of what you learned in this chapter:

a. Pimples

b. Dandruff

c. Greasy hair and 'shiny nose

d. Stretch marks from gaining weight

e. Freckles

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Textbook Question

Which epidermal cells contain keratohyaline and lamellar granules?

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