Gluconeogenesis is the process in which
glucose is formed from noncarbohydrate molecules
glycogen is formed
glucose is converted into carbon dioxide and water
glycogen is broken down to release glucose
The Correct Answer is A
A. glucose is formed from noncarbohydrate molecules: Gluconeogenesis is the metabolic process in which glucose is synthesized from noncarbohydrate precursors such as amino acids, lactate, and glycerol. This process primarily occurs in the liver and helps maintain blood glucose levels during fasting or intense exercise.
B. glycogen is formed: The formation of glycogen from glucose is called glycogenesis, not gluconeogenesis. Glycogenesis stores glucose for later use rather than producing it from noncarbohydrate sources.
C. glucose is converted into carbon dioxide and water: The breakdown of glucose into carbon dioxide and water occurs during cellular respiration, specifically glycolysis, the Krebs cycle, and oxidative phosphorylation, not gluconeogenesis.
D. glycogen is broken down to release glucose: The breakdown of glycogen to release glucose is called glycogenolysis. This process provides glucose when energy is needed but does not involve the formation of glucose from noncarbohydrate sources.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. stratum granulosum:The stratum granulosum is a middle layer of the epidermis where keratinization begins. A splinter superficial to the dermis would pass through this layer, but it is not the deepest epidermal layer affected.
B. stratum basale:The stratum basale is the deepest layer of the epidermis, located directly above the dermis. A splinter penetrating just superficial to the dermis would reach this layer last, affecting the basal cells responsible for generating new epidermal cells.
C. stratum lucidum:The stratum lucidum is found only in thick, hairless skin such as the palms and soles, but it lies above the stratum granulosum. While a splinter in the sole could pass through this layer, it would not be the final epidermal layer injured.
D. stratum corneum:The stratum corneum is the outermost layer of dead keratinized cells. It would be the first layer penetrated by the splinter, not the final layer injured.
E. stratum spinosum:The stratum spinosum is located above the stratum basale and below the stratum granulosum. A splinter would pass through this layer before reaching the stratum basale, making it an earlier layer affected rather than the final layer injured.
Correct Answer is A
Explanation
A. Cardiac muscle tissue has a moderate regenerating capacity:Cardiac muscle tissue has very limited regenerative ability, and damage usually results in fibrous scar tissue formation rather than restoration of contractile cells. This makes recovery from cardiac injury functionally compromised.
B. Nervous tissue of the brain has virtually no functional regenerative capacity:Neurons in the central nervous system have minimal ability to repair themselves after injury. Glial cells may provide some structural support, but true neuronal regeneration and recovery of lost functions rarely occur.
C. Blood forming tissue regenerates extremely well:Hematopoietic tissue within the bone marrow continually replenishes red cells, white cells, and platelets. It is highly regenerative and capable of rapid recovery following injury or cell loss.
D. Smooth muscle tissue has a moderate regenerating capacity:Smooth muscle cells retain the ability to divide and repair after damage. While not as fast as epithelial or hematopoietic tissue, their regenerative ability is sufficient to restore some function over time.
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