Order: Magnesium Sulfate 1 gram in 100mLs 0.09% NaCl over 2 hours. IV tubing has a drop factor of 30 gtt/mL. How many drops per minute will you give?
25 gtt/min
1500 gtt/min
50 gtt/min
83 gtt/min
The Correct Answer is C
A. 25 gtt/min: Calculating the correct rate reveals that this is not the correct answer.
B. 1500 gtt/min: This rate is too high; the calculation does not support this answer.
C. 50 gtt/min: To calculate: (100 mL / 120 min) × 30 gtt/mL = 50 gtt/min.
D. 83 gtt/min: This is too high based on the calculation.
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Correct Answer is B
Explanation
A. Fatigue. Fatigue can be a common symptom of various health conditions, including heart disease, and is not specific to pacemaker malfunction.
B. Rapid pulse. A rapid pulse or palpitations may signal a malfunction where the pacemaker is pacing too quickly or erratically.
C. Increased urine output. Increased urine output is not related to pacemaker function and does not indicate a malfunction.
D. Sneezing. Sneezing is unrelated to pacemaker malfunction and does not warrant provider notification.
Correct Answer is D
Explanation
A. Depression: While propranolol can sometimes worsen symptoms of depression, this is not as critical as the impact on conditions like heart failure.
B. Glaucoma: Propranolol does not typically affect glaucoma; however, some beta-blockers are used to treat glaucoma.
C. Migraine: Propranolol is sometimes used to prevent migraines, so a history of migraines would not require discontinuation.
D. Heart failure: Propranolol can exacerbate heart failure by reducing myocardial contractility. Clients with heart failure require careful monitoring or an alternative medication.