Which cardiac cells are responsible for initiating and conducting pacemaker impulses?
A) Motor cells
B) Mechanical cells
C) Electrical cells
D) Atrioventricular cells
Answer: C
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The following hemodynamic measurements were obtained from a patient in the intensive care unit: pulmonary artery pressure (PAP) = 67/25 mm Hg, pulmonary artery occlusion pressure (PAOP) = 18 mm Hg,
blood pressure (BP) = 100/50 mm Hg, central venous pressure (CVP) = 17 mm Hg, cardiac out-put (C.O.) = 5.7 L/min, and heart rate (HR) = 75 beats/min. Calculate this patient's pulmonary vascular resistance (PVR). a. 295 dyne ? sec ? cm?5 b. 393 dyne ? sec ? cm?5 c. 800 dyne ? sec ? cm?5 d. 1165 dyne ? sec ? cm?5
The safest of the succinimide drugs and the only one still used in clinical practice is:
A. ethosuximide B. haloperidol C. phenothiazine D. maprotiline
Which of the following features allows an administrator to remove a patient from the current patient list but still retain access to the patient's records?
A. Non-active Patient B. Remove Patient C. Patient Archive D. Deceased Patient
Symptoms of an ingested poison include ________.
A. headache, tinnitus, angina, shortness of breath, and muscle weakness B. rash, swelling, burning eyes, headache, fever, and abnormal pulse and respirations C. lethargy, loss of coordination, confusion, and uncontrollable shivering D. abdominal pain, nausea, vomiting, diarrhea, burns in or around the mouth, and drowsiness E. confusion, dizziness, and blurred or double vision