Q794

A 32-year-old, blood type A positive male receives a kidney transplant  from a blood type B positive female donor with whom he had a 6-antigen HLA   match. Once the kidney is anastomosed to the man's vasculature, the   transplant team immediately begins to observe swelling and interstitial    hemorrhage. After the surgery, the patient developed fever and    leukocytosis and produced no urine. Which of the following is the most likely explanation?

By |2021-04-28T23:15:19+00:00May 2, 2021|Question Banks|0 Comments

Q791

An elderly woman with a history of multiple oral ulcers presents with  flaccid bullae on her scalp, face, and trunk. Manual pressure on the skin   produces separation of the upper layer of the epidermis, followed by    eventual sloughing of the skin. The patient has been in relatively     good health until recently, and denies taking any medications. A      biopsy of one of the skin lesions reveals separation of epithelial       cells above the basal layer. Autoantibodies to which of the following        components would most likely be found in this patient?

By |2021-04-28T23:15:20+00:00May 2, 2021|Question Banks|0 Comments

Q790

A patient develops an acute febrile illness with shivers, nonproductive  cough, and pleuritic chest pain. Five days later, he presents to the   emergency room after abruptly having 'coughed up' nearly a cup of    blood-stained sputum. Which of the following is most likely to     be seen on chest x-ray?

By |2021-04-28T23:15:33+00:00May 2, 2021|Question Banks|0 Comments

Q789

A 2-year-old child presents to the pediatrician with hematuria.  Examination reveals hypertension and an abdominal mass. A tumor is   localized to the right kidney and biopsy reveals a stroma containing    smooth and striated muscle, bone, cartilage, and fat, with areas of     necrosis. The gene for this disorder has been localized to which of      the following chromosomes?

By |2021-04-28T23:15:33+00:00May 2, 2021|Question Banks|0 Comments

Q787

A newborn boy does not pass meconium until 48 hours after his birth . Two weeks later his mother reports that he has not been passing stool  regularly. Anorectal manometry reveals increased internal anal sphincter   pressure on rectal distention with a balloon. Radiographic studies revea   l massive dilation of the colon proximal to the rectum. This indicates a    developmental abnormality in which of the following embryonic tissues?

By |2021-04-28T23:15:33+00:00May 2, 2021|Question Banks|0 Comments

Q786

A 15-year-old boy is evaluated by a clinician for failure to develop  normal male secondary sexual characteristics. Physical examination reveals   small testes, a small penis, and gynecomastia. The boy has had some    difficulties in school, and the parents say that the school     psychometrist said he had an IQ of 90. This patient's      condition is most likely to be related to which of the following?

By |2021-04-28T23:15:46+00:00May 2, 2021|Question Banks|0 Comments
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