A nurse is preparing to administer a 5 mg IV bolus of metoprolol to a patient for heart rate control.

The available metoprolol injection is 1 mg/mL. How many mL should the nurse administer per dose?

(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Choice A rationale

Frothy sputum is a common finding in patients with left-sided heart failure. This is due to fluid accumulation in the lungs (pulmonary edema), which can cause the sputum to become frothy.

Choice B rationale

Dependent edema is more commonly associated with right-sided heart failure. It occurs due to fluid accumulation in the systemic circulation, leading to swelling in the lower extremities.

Choice C rationale

Nocturnal polyuria can occur in heart failure, but it is not a specific sign of left-sided heart failure.

Choice D rationale

Jugular venous distention is a sign of right-sided heart failure, not left-sided heart failure. It occurs due to increased pressure in the right atrium, leading to visible distention of the jugular veins.

Choice A rationale

Insulin glargine does not last for 3 to 6 hours. It is a long-acting insulin that has a duration of action up to 24 hours.

Choice B rationale

This is correct. Insulin glargine lasts for 18 to 24 hours. It is a long-acting insulin that provides a base level of insulin that keeps working for 24 hours or longer.

Choice C rationale

This is also correct. Insulin glargine lasts for 16 to 24 hours. It is a long-acting insulin that provides a base level of insulin that keeps working for 24 hours or longer.

Choice D rationale

Insulin glargine does not last for 6 to 10 hours. It is a long-acting insulin that has a duration of action up to 24 hours.