Endocrine Meds: Insulin and Levothyroxine Study Guide

A collection of flashcards to assist in studying key concepts about endocrine medications, focusing on insulin and levothyroxine.

What is the key action a nurse should take before administering insulin lispro (Humalog)?

Hold the insulin until food is in the room to prevent hypoglycemia.

Which insulin is administered via IV for DKA treatment?

Regular insulin (Humulin R) is the only insulin that can be given IV.

What should a nurse emphasize to a patient taking NPH insulin to prevent hypoglycemia?

Encourage consistent meals and snacks, especially during the insulin's peak times.

What is a critical administration rule for insulin glargine (Lantus)?

Don’t mix it with other insulins and give it at the same time daily for steady coverage.

What is the onset time for lispro (Humalog)?

15 minutes.

What is a key characteristic of regular insulin (Humulin R)?

It can be given IV or SubQ and has an onset of 30–60 minutes.

What physical characteristic should be noted about NPH insulin?

It is cloudy and must be rolled to mix.

How is insulin glargine (Lantus) administered?

SubQ once daily and should not be mixed with other insulins.

When should levothyroxine be taken for optimal effectiveness?

In the morning on an empty stomach, 30–60 minutes before food.

What lab should be monitored to determine the effectiveness of levothyroxine?

TSH levels.

What condition should be suspected if a patient taking levothyroxine reports nervousness and weight loss?

Thyrotoxicosis (overdose).