May 2, 2021

Q796

Which of the following developmental abnormalities might account for  unexplained small intestinal bleeding?
May 2, 2021

Q795

A 25-year-old woman with sickle cell anemia complains of steady pain  in her right upper quadrant with radiation to the right shoulder,   especially after large or fatty meals. Her physician diagnoses   gallstones. Of which of the following compounds are these stones    most likely composed?
May 2, 2021

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?
May 2, 2021

Q793

A 32-year-old pregnant woman is told by her physician to avoid taking  aspirin. Use of aspirin is contraindicated, especially during the last   part of pregnancy, because aspirin affects which of the following   hematologic parameters?
May 2, 2021

Q792

Routine physical examination of a 55-year-old man demonstrates marked  finger clubbing. Radiography of the hand shows new bone formation beneath   the periosteum. With which of the following disorders is this finding most    strongly associated?
May 2, 2021

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?
May 2, 2021

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?
May 2, 2021

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?
May 2, 2021

Q788

In a genotypic male, the testes fail to develop, and do not secrete testosterone or Müllerian regression factor. Which of the following best describes the in utero reproductive system development of this individual?
May 2, 2021

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?
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