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The Correct Answer is {"dropdown-group-1":"B"}
A. Cephalic: The cephalic phase occurs before food enters the stomach, triggered by sight, smell, or thought of food, and stimulates gastric secretion via the vagus nerve.
B. Gastric: The gastric phase begins when food enters and stretches the stomach, triggering myenteric and vagovagal reflexes that stimulate acid and enzyme secretion.
C. Intestinal: The intestinal phase involves chyme entering the duodenum, which moderates gastric activity, mostly inhibitory.
D. Gastrointestinal: “Gastrointestinal” is a general term and not one of the specific phases of gastric secretion.
E. Mesenteric: “Mesenteric” refers to the mesentery (tissue supporting the intestines), not a phase of digestion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Glomerular filtration rate will increase: Vasoconstriction of the efferent arteriole increases resistance, raising glomerular pressure and increasing GFR.
B. Urine output will increase: Increased GFR results in more filtrate, which can lead to increased urine output.
C. Systemic blood pressure will go up: This is unlikely to be directly caused by local vasoconstriction of the efferent arteriole. Systemic BP is mainly influenced by overall vascular resistance and cardiac output.
D. Net filtration pressure will increase: Efferent arteriole constriction backs up pressure in the glomerulus, increasing net filtration pressure.
Correct Answer is B
Explanation
A. Citric acid (Krebs) cycle: This occurs in the mitochondria, which RBCs do not possess.
B. Glycolysis: RBCs rely entirely on anaerobic glycolysis in the cytoplasm for ATP production due to their lack of mitochondria.
C. Aerobic respiration: This requires mitochondria, which are absent in RBCs.
D. Electron transport chain: This also occurs in the mitochondrial membrane, and RBCs can’t perform this process.
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