Kaplan Nursing Entrance Practice Exam

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Study for the Kaplan Nursing Entrance Exam. Dive into questions with detailed explanations and hints to enhance your understanding. Prepare strategically for a successful exam experience!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What is the role of insulin in the body?

Stimulates muscle glucose uptake
Increases blood sugar levels
Regulates calcium balance
Secretes thyroid hormones

The correct answer is: Stimulates muscle glucose uptake

Insulin plays a crucial role in glucose metabolism by stimulating muscle cells to uptake glucose from the bloodstream. When carbohydrates are consumed, they are broken down into glucose, leading to an increase in blood sugar levels. In response, the pancreas releases insulin, which facilitates the transport of glucose into muscle and adipose tissue, providing these cells with the necessary energy for metabolic processes or for storage as glycogen. This action reduces blood sugar levels, ensuring they remain within a normal range. The other options highlight functions that are not related to insulin. Insulin does not increase blood sugar levels; in fact, its primary function is to lower them. It does not have a role in regulating calcium balance or in the secretion of thyroid hormones, as these processes are managed by other hormones and organ systems.