What is the function of the gallbladder?
To make digestive enzymes
To break down food into smaller molecules
To produce bile
To store bile between meals
The Correct Answer is D
A. To make digestive enzymes: the gallbladder stores bile; it does not synthesize digestive enzymes (that’s mainly the pancreas and some glands).
B. To break down food into smaller molecules: mechanical/chemical digestion is done by enzymes and acids; the gallbladder’s role is storage/release of bile, not direct digestion.
C. To produce bile: the liver produces bile; the gallbladder stores and concentrates it.
D. To store bile between meals: the gallbladder concentrates and stores bile and releases it into the duodenum when needed for fat digestion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"B"}
Explanation
A. lipase; lipids: lingual lipase (from tongue) begins lipid digestion, but major salivary secretion is amylase, not lipase.
B. amylase; carbohydrates: salivary (ptyalin) amylase begins digestion of starches (carbohydrates) into smaller sugars.
C. pepsin; proteins: pepsin is secreted as pepsinogen by the stomach, not salivary glands.
D. sucrase; sucrose: sucrase is a brush-border (intestinal) enzyme, not a major salivary gland secretion.
Correct Answer is A
Explanation
A. The movement of white blood cells through blood vessel walls: diapedesis (transmigration) is when leukocytes squeeze between endothelial cells to leave the bloodstream and enter tissues.
B. The formation of platelets from megakaryocytes: that process is thrombopoiesis (platelet production), not diapedesis.
C. The squeezing of red blood cells through narrow capillaries: RBCs deform to pass through capillaries, but that is not called diapedesis.
D. The filling of red blood cells with hemoglobin: hemoglobin synthesis and RBC maturation are separate processes, not diapedesis.
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