The type of syncope often observed as a result of hyperventilation or metabolic diseases is:
A. cardiac syncope.
B. noncardiac syncope.
C. vasovagal syncope.
D. neurocardiac syncope.
B
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A patient with a prolonged QT segment is at risk for unstable ventricular tachycardia, specifically torsades de pointes.
Answer the following statement true (T) or false (F)
Following a balloon angioplasty to open a partially blocked coronary artery, a metal mesh tube known as a(n) ________ may be placed in the artery in order to keep it open.
Fill in the blank(s) with the appropriate word(s).
In preparation for an upper GI series, the patient should be instructed to drink:
A) anything they want B) only water and carbonated beverages C) only milk and water D) only clear liquids
In which of the following situations would external bleeding be the MOST difficult to control?
A. carotid artery laceration and a systolic blood pressure of 60 mm Hg B. antecubital vein laceration and a blood pressure of 138/92 mm Hg C. jugular vein laceration and a systolic blood pressure of 90 mm Hg D. femoral artery laceration and a blood pressure of 140/90 mm Hg