Free Cardiac Surgery Trivia Questions and Answers

Question 1

Which of the following ailments increases the likelihood that patients will experience a postoperative embolic stroke?

Accepted Answer

Ascending aortic manipulation

Answer

Renal disease

Answer

Ventricular fibrillation

Answer

Coronary artery atherosclerosis

Question 2

The most common causes of acute renal failure and the need for renal replacement therapy include

Accepted Answer

Fluid overload, metabolic acidosis, and hyperkalemia

Answer

Hypovolemia, metabolic, alkalosis, and hypokalemia

Answer

Initial signs of oliguria

Answer

Increasing levels of serum creatinine

Question 3

Chest tubes are inserted into the mediastinum and right pleural cavity of a patient recovering after mitral valve replacement and cardiopulmonary bypass, with suction adjusted at -20 cm H2O. 120 mL of bloody discharge was produced in the first four hours; however, when the patient is shifted to the side, 70 mL of dark red blood instantly drains out the chest tube, followed by a slowing of the flow. Currently, hemodynamic condition is stable. The most probable reason for the elevated discharge is

Accepted Answer

Pooling of blood

Answer

Inadequate protamine dosing

Answer

Acute onset of bleeding

Answer

Repositioning of the chest tube

Question 4

Systolic blood pressure that is higher than average is a sign of abnormal pulsus paradoxus.

Accepted Answer

More than 10 mm Hg lower during inhalation than exhalation

Answer

5 mm Hg or less higher during inhalation than exhalation

Answer

5 mm Hg or less lower during inhalation than exhalation

Answer

More than 10 mm Hg higher during inhalation than exhalation

Question 5

Which of the following criteria is true when weaning patients off of artificial ventilation during the early postoperative period?

Accepted Answer

Chest tube drainage of 40 mL/hr

Answer

Core temperature of 35.2 C

Answer

Heart rate of 124 bpm

Answer

Slight arrhythmia

Question 6

To reduce the risk of a wound infection, early postoperative blood glucose levels should be kept below which of the following values?

Accepted Answer

180 mg/dL

Answer

110/mg/dL

Answer

160 mg/dL

Answer

140 mg/dL

Question 7

Maintaining the postoperative pulmonary artery pressure at

Accepted Answer

Less than 25 mm Hg

Answer

Less than 10 mm Hg

Answer

Less than 15 mm Hg

Answer

More than 25 mm Hg