Nokea
Which process matches the definition: The process of distributing absorbed nutrients to the cells of the body for growth and repair?
- A. Ingestion
- B. Absorption
- C. Assimilation
- D. Peristalsis
Correct Answer: C
Rationale: Assimilation involves distributing absorbed nutrients to body cells for use.
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Match each term with the correct description: filtering units of kidney
- A. urethra
- B. nephrons
- C. bladder
- D. kidneys
Correct Answer: B
Rationale: Nephrons are the filtering units within the kidneys.
How many pairs of salivary glands produce saliva, which contains amylase to start digestion of dietary starch?
- A. Two
- B. Three
- C. Four
- D. Five
Correct Answer: B
Rationale: Humans have three pairs of salivary glands (parotid, submandibular, sublingual) that produce saliva containing amylase; not five as originally asserted.
Mucus is secreted by the :-
- A. Stomach
- B. Duodenum
- C. Large intestine
- D. All of the above
Correct Answer: D
Rationale: Mucus is secreted by the stomach, duodenum, and large intestine for protection and lubrication.
The pylorus is best described as the:
- A. Area of the stomach that accepts food from the esophagus
- B. Valve between the ileum and the cecum
- C. Terminal portion of the large intestine
- D. Area of the stomach that empties into the small intestine
Correct Answer: D
Rationale: The pylorus is the lower part of the stomach that connects to the duodenum.
Ito cells, all true except:
- A. Hepatic stellate cells that store vitamin A.
- B. Liver cirrhosis, these cells may differentiate into myofibroblasts to synthesize collagen & induce fibrosis.
- C. One of the contents of the perisinusoidal space
- D. They are highly phagocytic cells
Correct Answer: D
Rationale: Ito (stellate) cells store vitamin A and contribute to fibrosis, but Kupffer cells, not Ito cells, are phagocytic.