The interval that begins at the QRS complex and ends at the apex of the T wave is which of the following?
A) Relative refractory period
B) Absolute refractory period
Answer: B) Absolute refractory period
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Which of the following would be acceptable choices for pediatric analgesia? 1. Fentanyl 2. Morphine 3. Nalbuphine 4. Meperidine 5. Butorphanol
A) 1 and 2 only B) 2, 4, and 5 C) 1, 2, 3, and 4 D) 2, 3, and 4
Which of the following formulas represents cardiac output (CO)?
a. CO = cardiac index ? body surface area b. CO = stroke volume ? body surface area c. CO = heart rate ? stroke volume d. CO = oxygen consumption ? (CAO2 ? CaO2)
Which of the following is a likely treatment for cancer?
a. Surgery b. Radiation c. Chemotherapy d. b and c e. All of the above
A sample of blood has been taken from a patient’s pulmonary artery. What mixed venous oxygen saturation value (SvO2) would indicate that the patient is normal?
a. 40 mm Hg
b. 95 mm Hg
c. 75%
d. 97%