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ATI RN · Obstetrics and Pediatrics · Pediatric Infectious Disease

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The optimal amount of blood to collect from a pediatric patient for blood culture depend on

A. age

B. weight

C. length

D. BMI

Expert Explanatory Rationale

Correct Answer: weight

Question 2 of 5

A 2-year-old child presented with fever, irritability, and inability to walk; on examination there is erythema, swelling, warmth, and tenderness over the lower thigh; radiographs of the left knee showed focal destruction of the distal femoral metaphysis and periosteal reaction. Of the following, the MOST common etiological pathogen of this condition is

A. anaerobes

B. Staphylococcus aureus

C. Group A streptococcus

D. Streptococcus pneumonia

Expert Explanatory Rationale

Correct Answer: Staphylococcus aureus

Question 3 of 5

Strains of Staphylococcus aureus can produce which of the following toxins?

A. Exfoliatin A and B

B. Enterotoxins A-E

C. Toxic shock syndrome toxin-1 (TSST-1)

D. All of the above

Expert Explanatory Rationale

Correct Answer: All of the above

Question 4 of 5

All the following may play role in prevention of respiratory failure EXCEPT

A. active immunization to H. influenzae type b

B. active immunization to group A beta-hemolytic streptococcus

C. passive immunization with respiratory syncytial virus immunoglobulins

D. active immunization to pertussis

Expert Explanatory Rationale

Correct Answer: active immunization to group A beta-hemolytic streptococcus

Question 5 of 5

A 14-year-old girl presents to endocrinology clinic complaining of amenorrhea; you find breast development of stage III SMR. Of the following, the MOST appropriate next action is to

A. do pelvic examination to rule out an outflow obstruction

B. send for FSH and LH

C. send for TSH

D. send for chromosomal study

Expert Explanatory Rationale

Correct Answer: send for FSH and LH

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