A 40-year-old pregnant woman, G4 P3, visits your office at week 30 of gestation. She is very excited about her pregnancy and wants to be the healthiest she can be in preparation for labor and for her baby. What vaccination should she receive at this visit?
AMeasles, mumps, and rubella (MMR)
BVaricella vaccine
CHerpes zoster vaccine
DLive attenuated influenza vaccine
ETetanus, diphtheria, and acellular pertussis (Tdap)
A 40-year-old man is brought to an urgent care clinic by his wife with complaints of dizziness and blurring of vision for several hours. His wife adds that he has had slurred speech since this morning and complained of difficulty swallowing last night. His wife mentions that her husband was working outdoors and ate stew with roasted beef and potatoes that had been sitting on the stove for the past 3 days. The patient's past medical history is unremarkable. A physical examination reveals right eye ptosis and palatal weakness with an impaired gag reflex. Cranial nerve examination reveals findings suggestive of multiple cranial nerve involvement. What is the mechanism of action of the toxin that is the most likely cause of this patient's symptoms?
ARibosylation of the Gs protein
BInhibition of glycine and GABA
CExpression of superantigen
DInhibition of the release of acetylcholine
ERibosylation of eukaryotic elongation factor-2
A 12-year-old boy presents to the emergency room with difficulty breathing after several days of severe sore throat. Further history reveals that his family immigrated recently from Eastern Europe and he has never previously seen a doctor. Physical exam shows cervical lymphadenopathy with extensive neck edema as well as the finding shown in the image provided. You suspect a bacteria that causes the disease by producing an AB type exotoxin. Which of the following is the proper medium to culture the most likely cause of this infection?
AThayer-Martin Agar
BCharcoal Yeast Agar
CTellurite Agar
DEaton's Agar
EBordet-Gengou Agar
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