Persons with which blood group are at increased ri

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Pediatric Infectious Diseases Questions

Question 1 of 5

Persons with which blood group are at increased risk for developing severe disease of cholera?

A. A B. B C. AB D. O

Correct Answer: D

Rationale: Blood group O individuals are at higher risk for severe cholera.

Question 2 of 5

Candida is a common cause of oral mucous membrane infections (thrush) and perineal skin infections (Candida diaper dermatitis) in young infants. All the following are true EXCEPT

A. candida species are the third most common cause of bloodstream infection in premature infants B. up to 10% of full-term infants are colonized as the result of vertical transmission from the mother at birth C. histamine-2 blockers facilitate Candida colonization and overgrowth D. the cumulative incidence is <0.3% among infants <750 g birthweight admitted to the NICU

Correct Answer: D

Rationale: The incidence of invasive candidiasis in infants <750 g is much higher than 0.3%.

Question 3 of 5

Measles is a serious infection characterized by high fever, an enanthem, cough, coryza, conjunctivitis, and a prominent exanthem. All the following are true EXCEPT

A. incubation period is 8-12 days B. Koplik spots have been reported in 50-70% of measles cases C. the rash begins on the forehead, behind the ears, and on the upper neck D. the rash fades over about 3 days in the same progression as it evolved

Correct Answer: D

Rationale: The rash typically fades over 5-7 days, not 3 days.

Question 4 of 5

Mumps virus is neurotropic and is thought to enter the CNS via the choroid plexus and infect the choroidal epithelium and ependymal cells. CNS involvement is characterized by

A. symptomatic CNS involvement occurs in 40-60% of infected individuals B. encephalitis most commonly manifests 10 days after the parotitis C. CNS symptoms usually resolve in 3 days D. CSF protein content is usually elevated

Correct Answer: D

Rationale: Elevated CSF protein is characteristic of mumps CNS involvement.

Question 5 of 5

Varicella is an acute febrile rash illness that is common in Iraq. Of the following, the TRUE statement is

A. it usually begins 4-6 days after exposure B. subclinical varicella is common C. mild abdominal pain may occur 24-48 hr before the rash appears D. temperature elevation usually as high as 41.1Â°C

Correct Answer: C

Rationale: Mild abdominal pain can precede the varicella rash.

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Persons with which blood group are at increased risk for developing severe disease of cholera?

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Pediatric Infectious Diseases Questions

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