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USMLE Latest Exams| Latest Questions with 100% Correct Answers
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USMLE Latest Exams| Latest Questions with 100% Correct Answers
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USMLE Latest Exams| Latest Questions with100% Correct Answers
A male neonate is brought to the NICU for care post-premature birth. He weights
4.43 lbs. A neonatal brain sonogram is ordered for day 1 and day 7 to rule out any
intracranial hemorrhage. A respirator is attached to ensure his consistent
breathing. Blood gasses and skin color of the neonate are good, as is his urine
output. His chest X-ray is normal. The neonate is most susceptible to what
condition at this time? - ✔ ✔ Hyaline membrane disease
A 2-year-old boy is evaluated by a specialist at his primary physician's referral. His
medical records indicate multiple admissions; there were 2 for CMV pneumonia,
pneumocystis pneumonia, esophageal candidiasis, and severe herpes simplex
labialis. His mother says her pregnancy and delivery were uneventful. Soon after
birth, the child had multiple seizures due to an electrolyte disturbance; the
mother is not sure exactly what the disturbance was. Immunoglobulin levels are
normal. There is no significant family history of disease. Examination reveals a
malnourished baby with flat facies and a fish-shaped mouth. The rest of the
examination appears normal.
A chest X-ray shows the absence of a 'sail sign'.
What is the likely pathogenic mechanism? - ✔ ✔ T cell dysfunction
, A 6-week-old infant was the product of an uncomplicated pregnancy, labor, and
delivery. She has been breast-feeding well with only the occasional spit-up. Stools
have been seedy, yellow, and at the rate of 5-6 times per 24 hours. Over the last
24 hours, she has vomited 6-7 times. The last 2 have produced yellow-green
material. She has not stooled in the last 24 hours. She is markedly lethargic and
has a tense distended abdomen. - ✔ ✔ Midgut volvulus
A 4-month-old female infant has been gaining weight well and achieving normal
milestones. She was a full-term infant born via vaginal delivery without
complication. Her past medical history is significant only for a mild URI the
previous month, and she is current with her vaccines. She has been exclusively
breastfed since birth. Her mother eats a well-rounded diet that includes meat and
dairy.
What supplementation does the infant require? - ✔ ✔ Vitamin D
A 6-year-old boy is performing poorly in school. According to his teacher, he can
perform some schoolwork and answer test questions, but he has difficulty
understanding the instructions. He has to ask for detailed help regarding
instructions, and his teacher sometimes has to demonstrate it to him with
action so that he can proceed with his lessons. He is the 2nd among 3 siblings,
and he is in Kindergarten at the present time.
Except for language skills, developmental milestones are appropriate for his age.
At 15 months, he could not respond to simple instructions like "no" and "give
me". At the time, his mother thought, "He's just a little different than the other
siblings." He has had difficulty with school ever since he started.
What is the most likely diagnosis? - ✔ ✔ Receptive language dysfunction
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