An abnormal particle circulating in blood, such as an air bubble or blood clot, is referred to as a(n):

A. thrombus
B. lymphocyte
C. erythrocyte
D. embolus

d
Rationale: An embolus is an abnormal particle circulating in blood, such as a blood clot or an air bubble. Anticoagulants are used to treat peripheral arterial embolus and pulmonary emboli.

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A sthenic patient's thorax is longer than that of an asthenic patient

Indicate whether the statement is true or false.

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Which of the following clinical laboratory tests is useful for diagnosis of peptic ulcer disease (PUD)?

A. Basal acid output and IgM B. Serum measurement of IgM and age C. Serum measurement of IgA, IgG CagA, and cytotoxin-associated gene A (CagA) D. Alpha -1-antitrypsin

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