A nurse is preparing to administer dopamine hydrochloride 4 mcg/kg/min via continuous infusion.

Available is dopamine hydrochloride in a solution of 800 mg in a 250 mL bag.

The client weighs 80 kg. The nurse should set the IV infusion to deliver how many mL/hr? (Round the answer to the nearest whole number.

Use a leading zero if it applies.)

Choice A rationale:

After a total gastrectomy, the client lacks the intrinsic factor necessary for the absorption of vitamin B12 in the terminal ileum. Therefore, vitamin B12 supplementation is essential to prevent pernicious anemia, a condition caused by vitamin B12 deficiency. The absence of intrinsic factor hinders the absorption of vitamin B12 from dietary sources, making it necessary to provide this vitamin through injections or high-dose oral supplements. Vitamin B12 supplementation is a standard practice following a total gastrectomy.

Choice B rationale:

Ranitidine is a histamine-2 (H2) receptor antagonist used to reduce stomach acid production. It is not directly related to vitamin B12 deficiency and is not typically prescribed following a total gastrectomy. Vitamin B12 supplementation, on the other hand, addresses the specific deficiency caused by the absence of intrinsic factor.

Choice C rationale:

Vitamin K is essential for blood clotting and bone health. However, it is not the primary concern following a total gastrectomy. Vitamin B12 deficiency leading to pernicious anemia is the major focus of post-gastrectomy supplementation. While vitamin K may be important for overall health, it is not the immediate priority in this scenario.

Choice D rationale:

Metoclopramide is a medication used to treat gastrointestinal disorders, including gastroparesis and gastroesophageal reflux disease (GERD). It does not directly address the vitamin B12 deficiency resulting from the absence of intrinsic factor. Vitamin B12 supplementation is specifically indicated to prevent pernicious anemia in this context.

Choice A rationale:

Glargine insulin is a long-acting insulin that provides a basal level of insulin over 24 hours. It is suitable for managing blood glucose levels in clients with diabetes mellitus who require a long-acting insulin to maintain glycemic control throughout the day.

Choice B rationale:

NPH insulin is an intermediate-acting insulin that lasts for about 12-16 hours. While it can be used for blood glucose management, it is not the best choice for a client needing long-acting insulin coverage throughout the day.

Choice C rationale:

Insulin aspart is a rapid-acting insulin used to control postprandial glucose levels. It acts quickly to lower blood sugar after meals and is not suitable for long-acting coverage.

Choice D rationale:

Regular insulin, also known as short-acting insulin, is used to control blood glucose levels during meals. It has a faster onset of action compared to long-acting insulins and is not appropriate for managing basal insulin needs over an entire day.