The nurse is caring for a patient who is experiencing anaphylaxis.
The family asks the nurse why the patient is having difficulty breathing. The nurse responds based on what knowledge?
Bronchoconstriction in response to the allergen.
Compensation for a rapid fall in blood pressure.
Reflex tachycardia.
Seizures are likely to occur.
The Correct Answer is A
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.
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Related Questions
Correct Answer is D
Explanation
Choice A rationale
Coffee contains caffeine, a stimulant that can increase alertness and counteract the effects of anxiolytics and sedatives. However, not all individuals with anxiety or insomnia need to avoid coffee. Some people may find that they can tolerate a small amount of caffeine without it worsening their symptoms.
Choice B rationale
Like coffee, tea also contains caffeine, which can counteract the effects of anxiolytics and sedatives. However, the amount of caffeine in tea is usually less than in coffee, and some types of tea, such as herbal teas, are naturally caffeine-free.
Choice C rationale
Chocolate, especially dark chocolate, contains small amounts of caffeine. However, the amount of caffeine in chocolate is usually much less than in coffee or tea. Some people with anxiety or insomnia may find that they can tolerate chocolate without it worsening their symptoms.
Choice D rationale
All of the above (coffee, tea, and chocolate) contain caffeine, which can counteract the effects of anxiolytics and sedatives and may worsen anxiety symptoms. Therefore, individuals taking these medications for anxiety and insomnia should be advised to avoid or limit their intake of these items.
Correct Answer is B
Explanation
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.
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