Chickenpox is associated with

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Question 1 of 5

A. a high case fatality rate B. congenital malformations in 10^7 percent of offspring of infected mothers C. a high reinfection rate D. Reye syndrome

Correct Answer: D

Rationale: Chickenpox links to Reye syndrome (aspirin use). A is false (low fatality, ~1/100,000). B is misstated (~1-2% congenital risk). C is false (rare reinfection). D is false (short prodrome).

Question 2 of 5

The ratio of the prevalence of type I (insulin-dependent) diabetes mellitus to type II (non-insulin-dependent) diabetes mellitus in the U.S. is about

A. 1:1 B. 1:4 C. 1:9 D. 4:1

Correct Answer: C

Rationale: Type II is ~90% of cases, Type I ~10%.

Question 3 of 5

Which of the following statements about elderly Americans is true?

A. Most of the difference in life expectancy between men and women is due to unalterable genetic factors B. Although there are more elderly women than men, fewer elderly women live alone C. A woman is less likely to be institutionalized in a nursing home than is a man D. The number of persons older than 65 years of age is expected to increase by nearly 15 percent in the next 40 years

Correct Answer: C

Rationale: Women live longer, more men in nursing homes; A (lifestyle), B (more women alone), D (higher growth) false.

Question 4 of 5

Multiple sclerosis (MS) is a chronic demyelinating disease characterized by an increased incidence in all the following EXCEPT

A. women B. persons with certain HLA types C. persons who live further from the equator D. blacks

Correct Answer: D

Rationale: MS is less common in Blacks; others are risk factors.

Question 5 of 5

Studies of the epidemiology of epilepsy have shown that

A. brain tumor is the most common cause in children less than 12 years of age B. cerebrovascular disease is the most common cause in adults older than 50 years of age C. 20 to 25 percent of children will have one or more seizures with febrile illnesses at some time in their childhood D. 90 percent of patients with posttraumatic seizures require long-term anticonvulsant therapy

Correct Answer: B

Rationale: Stroke leads in >50; A (idiopathic), C (~3-5%), D (varies), E (true but not sole) false.

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Chickenpox is associated with

Nurselytic

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Questions in Epidemiology Questions

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