Which of the following triggers the pancreas to secrete insulin?
Hypoglycemia
Hyperglycemia
Glucagon
Ketoacids
The Correct Answer is B
Choice A rationale
Hypoglycemia, or low blood sugar, does not trigger the pancreas to secrete insulin. In fact, it’s the opposite. When blood sugar levels are low, the pancreas secretes glucagon, a hormone that signals the liver to release stored glucose into the bloodstream.
Choice B rationale
Hyperglycemia, or high blood sugar, is the primary trigger for the pancreas to secrete insulin. Insulin is a hormone that helps move glucose from the blood into the cells where it can be used for energy. When blood glucose levels rise, such as after a meal, the pancreas releases more insulin.
Choice C rationale
Glucagon is a hormone produced by the pancreas that works with insulin to control blood sugar levels. However, it does not trigger the pancreas to secrete insulin. Instead, glucagon acts when blood sugar levels are low, signaling the liver to release stored glucose into the bloodstream.
Choice D rationale
Ketoacids, or ketones, are substances made when the body breaks down fat for energy. The production of ketones is usually a sign that the body is not getting enough glucose for energy. However, they do not trigger the pancreas to secrete insulin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
The patient experiencing anaphylaxis is having difficulty breathing due to bronchoconstriction in response to the allergen. Anaphylaxis is a severe allergic reaction that can cause bronchoconstriction, leading to difficulty in breathing. This is a direct response to the allergen, causing the airways to narrow and making it hard for the patient to breathe.
Choice B rationale
While a rapid fall in blood pressure, also known as hypotension, can occur during anaphylaxis, it does not directly cause difficulty in breathing. Hypotension in anaphylaxis is due to the release of histamines which cause vasodilation and increased capillary permeability, leading to fluid leakage from the capillaries into the tissues, reducing the volume of blood returning to the heart.
Choice C rationale
Reflex tachycardia is a compensatory response by the body to a decrease in blood pressure, not a direct cause of difficulty in breathing. It is the body’s attempt to maintain adequate perfusion by increasing the heart rate.
Choice D rationale
Seizures are not a typical symptom of anaphylaxis. While severe anaphylaxis can lead to a loss of consciousness, it does not cause seizures.
Correct Answer is B
Explanation
Choice A rationale
While medication can be part of an effective treatment plan for anxiety disorders, it is not typically the first line of treatment. Medication alone is not considered the most productive way to treat anxiety disorders.
Choice B rationale
Uncovering and addressing the cause of anxiety is considered an effective approach to treating anxiety disorders. This often involves cognitive behavioral therapy (CBT), which helps individuals change negative thought patterns and develop coping strategies.
Choice C rationale
Allowing the client to self-medicate with over-the-counter (OTC) medications is not recommended. OTC medications may not be effective in treating anxiety disorders and could potentially have harmful interactions with other medications.
Choice D rationale
Immediately starting multiple-drug therapy is not typically the first line of treatment for anxiety disorders. It’s important to start with one medication and monitor its effectiveness before adding additional medications.
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