Which of these statements about the sinus node is FALSE?
A) It is the slowest pacemaker of the heart.
B) It fires at an inherent rate of 60—100 beats per minute.
C) It is the normal pacemaker of the heart.
D) It has the fastest inherent rate of all the possible pacemaker sites.
A
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Following radiation therapy for breast cancer, a female has a low white blood cell count. What condition does this place her at risk to acquire?
A) Hypoxia B) Infection C) Bleeding D) Low blood pressure
CO-oximeters routinely measure which of the following?
1. Carboxyhemoglobin (HbCO) 2. Fetal hemoglobin 3. Sulfhemoglobin 4. Oxyhemoglobin (O2Hb) 5. Methemoglobin (metHb) a. 1 and 2 c. 1, 2, 3, 4, and 5 b. 1, 4, and 5 d. 2, 3, and 5
A normal pupil exam is documented as ________ in the patient's medical record.
A. PERRLA B. PERPAO C. PEARLA D. PEARAP
At radiation doses above __________, the risk of fetal malformations is significantly increased above control levels.?
Fill in the blank(s) with correct word