ACLS PRE - Test Questions With Verified Answers Solution A+ RATED.

ACLS PRE - Test Questions With Verified Answers Solution A+ RATED Which of the following statements about the use of magnesium in cardiac arrest is most accurate? 1. Magnesium is indicated for shock-refractory monomorphic VT. 2. Magnesium is indicated for VF/pulseless VT associated with torsade’s de pointes. 3. Magnesium is contraindicated for VT associated with a normal QT interval. 4. Magnesium is indicated for VF refractory to shock and amiodarone or lidocaine. - 2. Magnesium is indicated for VF/pulseless VT associated with torsade’s de pointes. A patient with ST-segment elevation MI has ongoing chest discomfort. Fibrinolytic therapy has been ordered. Heparin 4000 units IV bolus was administered, and a heparin infusion of 1000 units per hour is being administered. Aspirin was not taken by the patient because he had a history of gastritis treated 5 years ago. Your next action is to: 1. Give aspirin 160 to 325 mg chewed immediately. 2. Give 75 mg enteric-coated aspirin orally. 3. Give 325 mg enteric-coated aspirin rectally. 4. Substitute clopidogrel 300 mg loading dose. - 1. Give aspirin 160 to 325 mg chewed immediately. A patient has sinus bradycardia with a heart rate of 36/min. Atropine has been administered to a total of 3 mg. A transcutaneous pacemaker has failed to capture. The patient is confused, and her blood pressure is 110/60 mm Hg. Which of the following is now indicated? 1. Give additional 1 mg atropine. 2. Start dopamine 10 to 20 mcg/kg per minute. 3. Give normal saline bolus 250 mL to 500 mL. 4. Start epinephrine 2 to 10 mcg/min. - 4. Start epinephrine 2 to 10 mcg/min. A 62-year-old man suddenly experienced difficulty speaking and left-side weakness. He was brought to the emergency department. He meets initial criteria for fibrinolytic therapy, and a CT scan of the brain is ordered. What are the guidelines for antiplatelet and fibrinolytic therapy? 1. Do not give aspirin for at least 24 hours if rtPA is administered. 2. Give aspirin 160 mg and clopidogrel 75 mg orally. 3. Administer heparin if CT scan is negative for hemorrhage. 4. Administer aspirin 160 to 325 mg chewed immediately. - 1. Do not give aspirin for at least 24 hours if rtPA is administered.