What happens when food reaches the stomach?
Nothing, it's just a pass through to the next structure
Gastric juices mix with the food and the stomach muscles squeeze it
The food moves quickly into the small intestine
The food is completely digested and is absorbed by tiny blood vessels in the walls of the stomach
The Correct Answer is B
A. Nothing, it's just a pass through to the next structure: The stomach plays a critical role in digestion through mixing and secretion of gastric juices.
B. Gastric juices mix with the food and the stomach muscles squeeze it: This process forms chyme through mechanical (squeezing) and chemical (acid/enzymes) digestion.
C. The food moves quickly into the small intestine: Food stays in the stomach for a period of time for processing before gradually passing into the small intestine.
D. The food is completely digested and is absorbed by tiny blood vessels in the walls of the stomach: Most digestion and nutrient absorption occur in the small intestine, not the stomach.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Renal failure: While renal failure can affect urine output, glucose in the urine (glucosuria) and polyuria with polydipsia are not the hallmark symptoms.
B. Bladder cancer: This may cause hematuria, but it doesn’t typically cause glucosuria, increased thirst, or urination.
C. Diabetes mellitus: In diabetes mellitus, high blood glucose levels exceed the renal threshold, leading to glucose spilling into the urine, causing polyuria (due to osmotic diuresis) and polydipsia.
D. Kidney cancer: Kidney cancer may cause flank pain, hematuria, or mass, not classic symptoms of diabetes or glucosuria.
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.
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