Quiz

1 05, 2021

Q768

By |2021-04-28T23:16:48+00:00May 1, 2021|Question Banks|0 Comments

A three-year-old child is brought to the emergency room after inhaling  a peanut. The peanut has lodged in the right mainstem bronchus, largely  occluding it. The child is cyanotic, and non-invasive transcutaneous  monitoring reveals a PO2 of 60 mm Hg. Which of the following mechanisms   best accounts for the child's hypoxemia?

1 05, 2021

Q767

By |2021-04-28T23:16:48+00:00May 1, 2021|Question Banks|0 Comments

A couple brings in their 6-month-old child because they are concerned about the child's inability to sit without support. The physician interviews  the parents and ascertains that they are both Ashkenazic Jews. The doctor   should inform them that, because of their heritage, their child may have   an increased risk of which of the following disorders?

1 05, 2021

Q765

By |2021-04-28T23:17:02+00:00May 1, 2021|Question Banks|0 Comments

A football player is examined by the team doctor following a shoulder  injury during a game. Preliminary x-rays show an inferior dislocation of   the humerus. On further examination, there is weakness in lateral rotation    and abduction of the arm. The nerve most likely affected is the

1 05, 2021

Q764

By |2021-04-28T23:17:02+00:00May 1, 2021|Question Banks|0 Comments

A 45-year-old homeless man has a chronic cough, a cavitary lesion of  the lung, and is sputum positive for acid-fast bacilli. Which of the  following is the principle form of defense by which the patient's body   fights this infection?

1 05, 2021

Q763

By |2021-04-28T23:17:02+00:00May 1, 2021|Question Banks|0 Comments

A researcher is examining the distribution of an ion channel protein  in the kidney. She incubates slices of kidney tissue in a dilute solution   of a specific antibody directed against the protein, then uses the    immunoperoxidase method to localize the ion channel proteins. She     notes the presence of brown pigment in a population of epithelial      cells, which on closer examination, have a brush border. The      researcher concludes that the protein is probably present in      cells of the

1 05, 2021

Q761

By |2021-04-28T23:17:17+00:00May 1, 2021|Question Banks|0 Comments

A pastry chef cut his finger while slicing a cake. After a week, the site of the injury is warm, red, and swollen, and begins draining pus. While preparing some cream pies, he contaminates the custard with drainage  from the lesion. The pies were eaten several days later by patrons of the   restaurant. Within 4 hours they developed diarrhea and vomiting with no    fever. Which of the following organisms would be most likely to cause     these symptoms?

1 05, 2021

Q760

By |2021-04-28T23:17:17+00:00May 1, 2021|Question Banks|0 Comments

A 58-year-old homeless man is brought in to the emergency room by police.  His temperature is 101.8°F rectally, and he smells of cheap wine. Physical   examination is remarkable for dullness to percussion, increased vocal    fremitus, and decreased breath sounds and wet crackles on the right.     Chest x-ray reveals consolidation of the right upper lobe. One of      the nurses notes the production of thick, bloody sputum when the       man coughs. The most likely causative organism is

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