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Cardioplegia: Quiz


Question 1: The most common procedure for accomplishing asystole is infusing cold crystalloid cardioplegic solution into the ________.
TorsoPulmonary veinCoronary circulationSuperior vena cava

Question 2: Then an iced (4 °C) solution of dextrose, potassium chloride, and other ingredients[2] is introduced into ________ via specialized cannulae.
Pulmonary veinTorsoSuperior vena cavaCoronary circulation

Question 3: This process is considered the most successful because it protects the ________, or heart muscle, from damage.
Skeletal muscleExtrafusal muscle fiberCardiac muscleSmooth muscle

Question 4: The potassium helps by arresting the heart in diastole thus ensuring that the heart does not use up the valuable energy stores (ATP- ________) during this period of heart isolation.
Adenosine triphosphateCytidine triphosphateAdenosine diphosphateAdenosine monophosphate

Question 5: [1] In most cases, the patient is first exposed to mild hypothermia (34 degrees ________).
KelvinCelsiusPascal (unit)Joule

Question 6: Cardioplegia is the intentional and temporary cessation of cardiac activity, primarily used in ________.
Cardiac surgeryCardiopulmonary bypassCoronary artery bypass surgeryArtificial pacemaker


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