A mother presents for an ultrasound secondary to size greater than dates. The ultrasound shows that the infant has hydrops fetalis and a FHT tracing concerning for anemia. The mother reports a recent illness with rash and painful joints. You suspect the infant’s symptoms are caused by:

A 33 week infant is delivered due to poor fetal growth. The mother previously had an amniocentesis for genetic testing, which was normal. On admission to the NICU, the infant’s hemoglobin is 9.2 g/dL. You suspect a fetal-maternal hemorrhage. To confirm this, you need to order:

Which of the following is true regarding the Thalassemias?

A 37 week male is delivered via emergency c-section for a BPP of 2/10. He has a grossly abnormal neurological exam with an initial arterial blood gas pH of 6.95 and base deficit of 19. His admission platelet count is 165K. On DOL 2, his platelet count is down to 56K. You suspect the etiology of his thrombocytopenia is:

Postmortem oxygen depletion leads to: (select all that apply)

Which changes occur during cold shortening? (select all that apply)

Which forms of myoglobin contain iron in the ferrous (Fe²⁺) state? (select all that apply)

Which meat quality defect is associated with lean carcasses and fast chilling?

What causes rigor mortis to occur?

What is the optimal carcass temperature during rigor onset?