Nokea
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.
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Which of the following parts of the digestive system has the most important role in nutrient absorption?
- A. stomach
- B. esophagus
- C. large intestines
- D. small intestines
Correct Answer: D
Rationale: The small intestine is the primary site for nutrient absorption due to its large surface area and specialized structures like villi and microvilli.
What is an example of assimilation?
- A. absorption of glycerol into lacteals
- B. breakdown of alcohol in the liver
- C. building of proteins from amino acids
- D. release of a hormone from a gland
Correct Answer: C
Rationale: Assimilation involves using absorbed nutrients to synthesize cellular components; building proteins from amino acids is a prime example.
Besides carbohydrates, proteins, fats, vitamins and minerals, what other nutrient does your body need for life?
- A. DNA
- B. chlorophyll
- C. water
- D. none of the above
Correct Answer: C
Rationale: Water is an essential nutrient required for all bodily functions.
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.
Striated ducts, the following is true except:
- A. Lined by ion transporting cells
- B. Contain basal basophilic granules
- C. Contain basal acidophilic granules
- D. Present in salivary gland duct system.
Correct Answer: B
Rationale: Striated ducts have basal acidophilic striations due to mitochondria, not basophilic granules.