ACLS Online Practice Questions and Answers

Which of the following rhythms is most commonly present in the first minute following a cardiac arrest in adults?

A. ventricular tachycardia

B. asystole

C. bradycardia

D. ventricular fibrillation

After placement of an endotracheal tube, ventilate (Choose two.):

A. at 10–15 breaths per minute

B. after the 5th compression

C. asynchronously to cardiac compressions

D. with room air

Calcium chloride should be considered in an overdose of: A. bretylium

B. epinephrine

C. verapamil

D. procainamide

You are performing synchronized cardioversion when the following rhythm suddenly appears. What is the recommended immediate treatment?

A. lidocaine 100 mg IV bolus

B. begin CPR

C. unsynchronized countershock at 200 J

D. synchronized shock at 200 J

You arrive on-scene and find a 56-year-old diabetic woman complaining of chest discomfort. She is pale and diaphoretic, complaining of lightheadedness. Her blood pressure is 80/60 mmHg. The cardiac monitor documents the rhythm above. She is receiving oxygen at 4 L/min by nasal cannula, and an IV has been established. Transcutaneous pacing has been requested but is not yet available. Your next order is

A. Give morphine sulfate 4 mg IV

B. Start dopamine at 2 to 10 ug/kg per minute

C. Give atropine 0.5 mg IV

D. Give atropine 1 mg IV

E. Give nitroglycerin 0.4 mg SL

T/F: During cardiac arrest, sodium bicarbonate should be administered every 5 minutes to prevent metabolic acidosis.

A. True

B. False

A patient has been resuscitated from cardiac arrest and is being prepared for transport. She is incubated and is receiving 100% oxygen. During the resuscitation she received 2 doses of epinephrine 1 mg, atropine 1 mg. and lidocaine 100 mg IV. You now observe the above rhythm on the cardiac monitor. The rhythm abnormality is becoming more frequent and increasing in number. You should order:

A. Give amiodarone 300 mg IV, start infusion

B. Give lidocaine 1 to 1.5 mg IV

C. Repeat epinephrine 1 mg IV

D. Give lidocaine 0.5 to 0.75 mg/kg IV, start lidocaine infusion

E. Give amiodarone 150 mg IV, start infusion

A bradycardia rhythm is treated when:

A. Heart rate is less than 60 per minute with or without symptoms

B. Blood pressure is less than 100 mmHg systolic with or without symptoms

C. Chest pain or shortness of breath is present

D. The patient has an Ml on the 12-lead electrocardiogram

A patient complains of shortness of breath and chest pain radiating to the neck. Blood pressure is 80/50 mm Hg and the respiratory rate is 40 per minute. Oxygen and an IV has been started. The monitor shows the following rhythm. What should the next treatment be?

A. carotid massage

B. lidocaine

C. sedation, then synchronized cardioversion

D. adenosine

SIMULATION

Describe the function of the right ventricle.

A. The right ventricle pumps blood to the lungs to be oxygenated.

SIMULATION

Describe the location and function of the brachial artery.

A. The brachial artery is found in the upper arm and supplies blood to the humerus, the biceps, and triceps. Pulsation can be palpated on the inside of the arm between the elbow and shoulder. The brachial artery is often used when measuring a blood pressure with a blood pressure cuff and a stethoscope.

SIMULATION What are venules?

A. Venules are the smallest branches of veins leading to the capillaries.

SIMULATION

Describe the meaning of the term pulse as it relates to the cardiovascular system and explain where a pulse could be palpated.

A. The pulse is what is felt when the left ventricle contracts and sends a wave of blood through the arteries. It can be palpated anywhere an artery simultaneously passes near the skin's surface.

SIMULATION

When does the principle of implied consent apply to mentally incompetent adults?

A. When life-threatening situations exist and the legal guardian is not available for consent.

SIMULATION

What sizes of masks should you carry for the bag-valve-mask?

A. Infant, child, and adult.