p361 Flashcards

1
Q

the most common agent responsible for infantile diarrhea throughout
the world is:

A

Rotavirus.

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2
Q

Bacterial pathogens account for ___% of cases of acute childhood diarrhea: the most commonly identified bacterial pathogens in North American children are : _______________

A

10%-15

Campylobacter jejuni (choice C) and various strains of Salmonella and Shigella species.

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3
Q

Delayed or interrupted puberty is defined as failure to develop any secondary sex characteristics by age __, to have menarche by age __, or to have menarche _ or more years after the onset of pubertal development.

A

Delayed or interrupted puberty is defined as failure to develop any secondary sex characteristics by age 13, to have menarche by age 16, or to have menarche 5 or more years after the onset of pubertal development.

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4
Q

the most common cause of visual loss in childhood is:

A

Amblyopia , or “lazy eye”.

It is often related to strabismus, in which the image from one eye is suppressed in order to eliminate diplopia

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5
Q

Centor criteria or the McIsaac decision rule in diagnosing streptococcal pharyngitis are:

A

fever over 38.5°C, tonsillar exudates, anterior cervical lymphadenopathy, and absence
of cough.

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6
Q

Centor criteria
Interpretation
per scores…

A

Score ≤ 1: no further diagnostic testing needed
Score2 or 3: Consider rapid strep test and/or throat culture.
Score ≥ 4: Consider empiric antibiotic therapy (controversial)

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7
Q

… signs of moderate bleeding diathesis. Her prothrombin time (PT) elevation, without evidence of hepatocellular damage or hepatic dysfunction, is highly suspicious for:

A

warfarin ingestion.

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8
Q

Gastrointestinal bleeding related to Meckel’s diverticulum is caused by

A

ulceration of the small bowel due to acid secretion by ectopic gastric mucosa within the diverticulum.

The site of mucosal ulceration and bleeding is adjacent to or just downstream from the diverticulum, not from the mucosa or ectopic tissue within the diverticulum.

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9
Q

T/F Arteriovenous malformation is a major complication of Meckel’s diverticulum.

A

F.

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