A person has not eaten for about 12 hours. Which substance(s) does the body use to increase blood sugar, until the person can eat? (Select all that apply)
Glycogen
Metabolism
Glucagon
Insulin
Glycolysis
Correct Answer : A,C
A. Glycogen: The liver breaks down stored glycogen into glucose (glycogenolysis) to maintain blood sugar levels.
B. Metabolism: Metabolism refers to all chemical processes in the body but is not a specific substance that increases blood sugar.
C. Glucagon: Glucagon is a hormone released by the pancreas to stimulate glycogen breakdown and gluconeogenesis, increasing blood sugar levels.
D. Insulin: Insulin lowers blood sugar by promoting glucose uptake into cells, so it would not be used to increase blood sugar.
E. Glycolysis: Glycolysis is the breakdown of glucose for energy; it does not raise blood sugar levels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Increase the size of body structures: While tissue growth can contribute to body size, its primary function is not just increasing size but carrying out specific physiological roles.
B. Perform common functions: Tissues consist of similar cells that work together to perform specific functions, such as muscle contraction, nerve signaling, or support.
C. Deliver messages: Only nervous tissue specializes in transmitting messages, but other tissues have different functions.
D. Fight against diseases: The immune system fights diseases, but not all tissues are involved in this function.
Correct Answer is C
Explanation
A. Lipids: Some hormones (e.g., steroid hormones like estrogen and testosterone) are lipid-based, but not all. Hemoglobin is a protein, not a lipid.
B. Glucose: Glucose is a carbohydrate used for energy, not for building hormones or hemoglobin.
C. Proteins: Hormones (such as insulin and growth hormone) and hemoglobin (which carries oxygen in red blood cells) are protein-based molecules essential for bodily functions.
D. Carbohydrates: Carbohydrates provide energy but do not contribute to the structure of proteins like hormones and hemoglobin.
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