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Which of the following body fluid(s) is NOT potentially infectious for HIV?

Mediastinal shift with compression of major structures, impeded venous return, and hypotension is the underlying pathology of:

Which of the following is NOT suggestive of hemolytic anemia?

All of the following statements are true regarding systemic inflammatory response (SIRS) and sepsis EXCEPT:

A 3-month-old infant presents with right parietal scalp swelling following a fall out of his crib onto a hard floor earlier today. His neurologic status is intact and the remainder of the exam is unremarkable. CT head demonstrates an isolated right parietal, linear, non-displaced skull fracture with no underlying hemorrhage. Appropriate workup for this infant should include SELECT ALL THAT APPLY

A 5 y/o child is hit by a car while riding a scooter. Primary survey reveals a patent airway with breath sounds louder on the left than right. The chest wall is intact with abrasions on the right side. Respirations are labored at 32 and sats are in the upper 80’s on room air. 100% oxygen via non-rebreather is applied with sats up to 97%. BP 98/60, HR 110. The following CXR was taken:   The clinical presentation and CXR are most consistent with:

When dealing with an ingestion of beta-blockers or calcium channel blockers, what study should be obtained in addition to the general work-up of a patient with suspected ingestion?

A 3 y/o presents to the ED with scald burns to the abdomen, chest, neck and left arm sustained when she pulled a pot of hot soup onto herself. Total body surface area is approximately 18%. On exam, you note intense erythema, weeping and blistering throughout these areas. You explain to the parents that at this point, the appearance is consistent with:

In the patient referenced above (s/p massive transfusion procotocol), you receive the following results. Hgb: 9.8 Hct: 29 Plts: 87 The nurse calls to tell you that she has oozing at the surgical site. What is your treatment plan? 

A 2 month old male presents with lethargy, fever, cough and respiratory failure. He is intubated in the PICU and chest x-ray reveals the following (below). PPD skin test is positive and CT shows lesions in the spleen, liver and CNS. The most likely diagnosis is: