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 C
Explanation
A. Spleen: The spleen primarily functions in blood filtration and immune response, not glycogen storage.
B. Brain: The brain uses glucose as its main energy source but does not store glycogen in significant amounts.
C. Liver: The liver is the primary site of glycogen storage, which is used to regulate blood glucose levels.
D. Pancreas: The pancreas regulates blood sugar by producing insulin and glucagon, but it does not store glycogen.
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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