Neonatal sepsis case fatality rate is highest for

Question 1 of 5

A. Staphylococcus - coagulase negative B. Group B streptococcus C. Escherichia coli D. Pseudomonas

Correct Answer: D

Rationale: Candida albicans has the highest case fatality rate among neonatal sepsis pathogens due to its invasive nature and difficulty in treatment.

Question 2 of 5

All of the following are anterior joints involved in juvenile idiopathic arthritis (JIA) EXCEPT

A. hip B. knee C. ankle D. metatarsal

Correct Answer: D

Rationale: Metatarsal involvement is more characteristic of polyarticular JIA.

Question 3 of 5

Regarding Non-Hodgkin lymphoma:

A. Less common than Hodgkin's lymphoma B. Abdominal mass is the most common clinical presentation C. Systemic symptoms are common D. Unicentric in origin

Correct Answer: B

Rationale: Abdominal mass is the most common presentation of pediatric Non-Hodgkin lymphoma, as it often arises from extranodal sites like the GI tract. Systemic symptoms are less frequent than in Hodgkin lymphoma.

Question 4 of 5

Clinical picture of a 15-day-old newborn with severe coarctation of aorta will include the following Except:

A. Feeding difficulties B. Weak brachial pulsation on right arm C. Weak or absent brachial pulsation on left arm D. Weak or absent femoral pulsation on both lower limbs

Correct Answer: B

Rationale: Coarctation of the aorta typically causes weak femoral pulses but does not affect the right brachial pulse significantly, as the narrowing is usually distal to the right subclavian artery.

Question 5 of 5

Acrodynia, or pink disease, is a rare idiosyncratic hypersensitivity reaction to mercury that occurs predominantly in children exposed to mercurous powders. The symptom complex includes the following EXCEPT

A. generalized spasticity B. paresthesias C. an acral red-pink rash D. photophobia

Correct Answer: A

Rationale: Generalized spasticity is not a common feature of acrodynia; the other symptoms are typical of mercury toxicity.