What is the definition of glycogenolysis?
Convert amino acid to glucose
Break down glycogen to glucose
Convert glucose to amino acid
Convert fat to amino acid
The Correct Answer is B
Choice A: Convert Amino Acid to Glucose
The process of converting amino acids to glucose is known as gluconeogenesis. This metabolic pathway allows the body to produce glucose from non-carbohydrate sources, such as amino acids, during periods of fasting or intense exercise. While this process is crucial for maintaining blood glucose levels, it is not the definition of glycogenolysis.
Choice B: Break Down Glycogen to Glucose
Glycogenolysis is the biochemical process of breaking down glycogen into glucose. Glycogen, a stored form of glucose in the liver and muscle cells, is broken down to provide immediate energy and to maintain blood glucose levels during fasting or intense physical activity. This process is regulated by hormones such as glucagon and epinephrine, which activate enzymes that catalyze the breakdown of glycogen into glucose-1-phosphate and then into glucose-6-phosphate3. The glucose-6-phosphate can then be used in glycolysis to produce energy or released into the bloodstream to maintain blood glucose levels.
Choice C: Convert Glucose to Amino Acid
The conversion of glucose to amino acids is not a typical metabolic pathway. Instead, glucose is primarily used for energy production through glycolysis and the citric acid cycle. Amino acids are synthesized from intermediates of these pathways and other metabolic processes, but glucose itself is not directly converted into amino acids.
Choice D: Convert Fat to Amino Acid
The conversion of fats to amino acids is not a standard metabolic process. Fats are broken down into fatty acids and glycerol through lipolysis. Fatty acids can be further oxidized to produce energy, while glycerol can enter gluconeogenesis to produce glucose. Amino acids, on the other hand, are derived from dietary proteins or synthesized from other amino acids and metabolic intermediates.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E"]
Explanation
Choice A Reason:
Naming, blaming, and shaming those who make errors is not an effective way to prevent medication errors. This approach can create a culture of fear and silence, where healthcare professionals may be less likely to report errors or near misses. Instead, fostering a culture of safety and openness encourages reporting and learning from mistakes, which is crucial for preventing future errors.
Choice B Reason:
Using electronic medical order entry systems is an effective way to prevent medication errors. These systems help reduce errors related to handwriting, transcription, and dosage calculations. They can also provide clinical decision support, alerting prescribers to potential drug interactions, allergies, and other contraindications. This technology enhances accuracy and efficiency in the medication ordering process.
Choice C Reason:
Helping patients to be active, informed members of the healthcare team is another effective strategy. When patients are well-informed about their medications, they can help identify potential errors and ensure they are taking their medications correctly. Patient engagement and education are key components in preventing medication errors and improving overall healthcare outcomes.
Choice D Reason:
Focusing on caregivers who make errors is not an effective strategy for preventing medication errors. Similar to choice A, this approach can lead to a punitive environment that discourages error reporting and transparency. Instead, focusing on system improvements and creating a supportive environment for healthcare professionals is more effective in reducing errors.
Choice E Reason:
Developing nonpunitive approaches to track errors is an effective way to prevent medication errors. A nonpunitive approach encourages healthcare professionals to report errors and near misses without fear of retribution. This allows for the identification of error patterns and the implementation of system-wide changes to prevent future errors. Creating a culture of safety and continuous improvement is essential for reducing medication errors.
Correct Answer is B
Explanation
Choice A: Beta 2 Agonist Decreases Blood Pressure
Beta 2 agonists primarily cause bronchodilation and vasodilation, which can lead to a decrease in blood pressure. However, this is not their primary function, and they are more commonly associated with the relaxation of smooth muscles in the airways.
Choice B: Beta 1 Agonist Increases Blood Pressure
Beta 1 receptors are primarily located in the heart. Activation of these receptors increases heart rate and contractility, which in turn increases cardiac output and blood pressure. Therefore, beta 1 agonists are known to increase blood pressure.
Choice C: Beta 2 Agonist Reduces Blood Pressure
Similar to choice A, beta 2 agonists can cause vasodilation, which may reduce blood pressure. However, this is not their primary therapeutic use, and they are mainly used for their bronchodilatory effects.
Choice D: Beta 1 Agonist Reduces Blood Pressure
Beta 1 agonists increase heart rate and contractility, leading to an increase in blood pressure. Therefore, this statement is incorrect as beta 1 agonists do not reduce blood pressure.
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