Which of the following best describes how food moves through the digestive system, from mouth to anus?
Defecation
Emulsification
Peristalsis
Mastication
The Correct Answer is C
A. Defecation: This is the elimination of feces from the rectum, not the process of moving food through the GI tract.
B. Emulsification: This refers to breaking down fat into smaller droplets (done by bile), not the movement of food.
C. Peristalsis: Peristalsis is the rhythmic muscular contraction that propels food through the digestive tract.
D. Mastication: This is chewing, a mechanical process that occurs in the mouth before food enters the esophagus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Renal capsule: This is the outer protective covering of the kidney and does not form urine.
B. Nephron: The nephron is the functional unit of the kidney that performs filtration, reabsorption, and secretion to form urine.
C. Renal pyramid: These structures contain parts of the nephron and collecting ducts but do not themselves make urine.
D. Ureter: The ureter transports urine from the kidneys to the bladder; it does not produce urine.
Correct Answer is C
Explanation
A. Urethra: The urethra is a tube that carries urine from the bladder to outside the body—part of the “plumbing.”
B. Ureters: These are tubes that transport urine from the kidneys to the bladder.
C. Glomeruli: Glomeruli are part of the kidney’s filtration system, not the excretory “plumbing” system.
D. Urinary bladder: The bladder stores urine and is considered part of the urinary “plumbing.”
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