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137917 Pathology

A 39-year-old woman sees her physician because of acute onset of severe dyspnea. On physical examination, she is afebrile and has marked laryngeal stridor and severe airway obstruction. The medical history indicates that she has had similar episodes since childhood and episodes of colicky gastrointestinal pain. Her mother and her brother are similarly affected. There is no history of severe or recurrent infections. She does not have urticaria. Laboratory studies show normal WBC count, hematocrit, and platelet count. A deficiency in which of the following plasma components is most likely to produce these findings?

Ab2-Microglobulin
BC1 inhibitor
CC3
D5-Hydroxytryptamine
Pathology
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137919 Anaesthesia

Capnography is useful for

ADetermining Vaporizer malfunction or contamination
BDetermining circuit hypoxia
CDetermining the appropriate placement of endotracheal
DDetecting concentration of oxygen in the anesthetic circuit.
Anaesthesia
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137921 Pathology

A 55-year-old woman presents with complaints of chest pain. She states that the chest pain predictably occurs when she climbs four flights of stairs to reach her apament or when she has been jogging for more than 10 minutes. She is paicularly concerned because her mother died of a myocardial infarction at 50 years of age. Which of the following best describes this patient’s state?

AArrhythmia
BMyocardial infarction
CPrinzmetal angina
DStable angina pectoris
Pathology
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