Which term is used to describe the stain of bacteria?
Aerobic
Gram-positive
Cocci
Bacillus
The Correct Answer is B
A. Aerobic: This describes a bacteria's oxygen requirement, not staining.
B. Gram-positive: This refers to the cell wall structure revealed by a Gram stain, a common method for classifying bacteria.
C. Cocci: This describes the shape (round) of some bacteria, not staining.
D. Bacillus: This is a specific genus of rod-shaped bacteria, not a general term for staining.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Ketoacids: This is incorrect. While ketoacids are a by-product of fat metabolism that occurs when insulin is low, they do not directly stimulate insulin secretion.
B. Hyperglycaemia: This is correct. Elevated blood glucose levels (hyperglycaemia) directly stimulate the pancreas to secrete insulin to help lower blood glucose levels.
C. Hypoglycaemia: This is incorrect. Low blood glucose levels (hypoglycaemia) would reduce insulin secretion and might increase glucagon secretion to raise blood glucose levels.
D. Glucagon: This is incorrect in the context of directly stimulating insulin secretion. Glucagon is a hormone secreted by the alpha cells of the pancreas when blood glucose levels are low. Its primary role is to increase blood glucose levels by stimulating glycogenolysis and gluconeogenesis in the liver.
Correct Answer is D
Explanation
A. Ask the patient an open-ended question about feelings: This might reveal anxieties but not necessarily confirm understanding of the steps.
B. Ask the patient to repeat the information in the pamphlet: Repeating information doesn't guarantee comprehension of how to perform the task.
C. Have the patient list the steps: This can be helpful, but observing actual performance allows for correcting any errors in technique.
D. Observe as the patient prepares and injects a dose of insulin: Direct observation is the most reliable way to assess if the patient can safely and accurately self-administer insulin.
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