Calculate the stroke volume (SV) and the stroke volume index (SI) using the following infor-mation: cardiac output = 4.5 L/min, heart rate = 110 beats/min, and body surface area = 1.3 m2.
a. SV = 41 mL; SI = 31.5 mL/m2
b. SV = 45 mL; SI = 34.3 mL/m2
c. SV = 46 mL; SI = 36 mL/m2
d. SV = 49.5 mL; SI = 38 mL/m2
Q. 2 Calculate the stroke index using the following data: cardiac output = 3.7 L/min, heart rate = 90 beats/min, and body surface area = 1.7 m2.
a. 0.024 mL/m2
b. 0.41 mL/m2
c. 24 mL/m2
d. 41 mL/m2
Q. 3 A patient with the hemodynamic values below has a cardiac output of which of the following? Oxygen consumption 380 mL/min Arterial oxygen content 23.2 vol Mixed venous oxygen content 10.3 vol
a. 2.9 mL/min
b. 3.4 mL/min
c. 12.9 mL/min
d. 24.1 mL/min
Q. 4 Calculate the cardiac index using the following data: Cardiac output = 4.6 L/min Body surface area = 1.2 m2
a. 0.26 m2/L/min
b. 3.8 L/min/m2
c. 5.5 L/min-m2
d. 5.8 m2/L/min
Q. 5 Calculate the cardiac index for a patient with the following data: heart rate = 80 beats/min, stroke volume = 55 mL, and body surface area = 2.8 m2.
a. 0.57 L/min/m2
b. 1.6 L/min/m2
c. 7.2 L/min/m2
d. 19.6 L/min/m2
Q. 6 Calculate a 90-kg patient's cardiac index with the following measurements: cardiac output 3.8 L/min, body surface area 3 m2.
a. 0.79 m2/L/min
b. 0.9 L/min/m2
c. 1.3 L/min/m2
d. 6.9 m2/L/min
Q. 7 Which of the following is the range for the time a pulmonary artery catheter should be inflated?
a. 5-10 seconds
b. 15-30 seconds
c. 30-60 seconds
d. 60-120 seconds
Q. 8 Calculate the arterial oxygen content for a patient with the following arterial blood gas measure-ments: Hgb = 9 g, arterial oxygen saturation (SaO2) = 96, arterial partial pressure of oxygen (PaO2) = 97 mm Hg.
a. 8.6 vol
b. 11.0 vol
c. 11.9 vol
d. 12.1 vol