ACLS

ACLS practice questions, page 5 of 12, with answer review and explanations.

Question 21

Dopamine infused at greater than 10 mcg/kg/min will cause (Choose three):

  1. increased myocardial contractility
  2. peripheral arterial vasoconstriction
  3. renal artery vasoconstriction
  4. respiratory depression

Question 22

Dopamine at low doses (1`"2 mcg/kg/min) will cause:

  1. elevated blood pressure
  2. renal vasoconstriction
  3. renal vasodilatation
  4. tachycardia

Question 23

Sodium bicarbonate should be considered in arrests caused by: Tricyclic overdose, hyperkalemia, and preexisting metabolic acidosis In the treatment of an 80-kg adult in ventricular tachycardia with a pulse, which of the following schedules of lidocaine is preferred?

  1. 80 mg IV bolus followed by an infusion at 2ג€"4 mg/min
  2. 160 mg IV bolus every 10 minutes up to a total of 500 mg
  3. 160 mg IV bolus followed by an infusion at 6 mg/min
  4. 400 mg IV bolus followed by an infusion at 1ג€"2 mg/min

Question 24

T/F: Bradycardia not responding to atropine should be treated with isoproterenol 1 mg in 250 mL D5W infused wide open.

  1. True
  2. False

Question 25

T/F: Lidocaine enhances myocardial contractility.

  1. True
  2. False