Nokea
Match each term with the correct description: produces enzymes
- A. rectum
- B. esophagus
- C. pancreas
- D. liver
Correct Answer: C
Rationale: The pancreas produces digestive enzymes that aid in breaking down food.
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The cells of the proximal convoluted tubule are specialised to absorb compounds back into the circulatory system. In what way?
- A. They have foot processes which wrap around the blood vessels
- B. They have pores to allow compounds through
- C. They have microvilli to increase surface area
- D. They have cilia to help the filtrate move through the tube
Correct Answer: C
Rationale: Microvilli increase the surface area for reabsorption in the proximal convoluted tubule.
Amylase is an example of a(n)
- A. accessory organ
- B. carbohydrate
- C. enzyme
- D. vitamin
Correct Answer: C
Rationale: Amylase is an enzyme that breaks down starches into sugars.
Posterior part of soft palate, hangs down in pharynx, called-
- A. Palatine
- B. Tonsils
- C. Velum Palati
- D. Jacobson's organ
Correct Answer: C
Rationale: The velum palati (uvula) is the posterior part of the soft palate that hangs down in the pharynx.
The function of the parietal cells of the stomach is to:
- A. Secrete pepsinogen for protein digestion
- B. Secrete mucus for lubrication
- C. Secrete the hormone gastrin
- D. Produce intrinsic factor required for absorption of vitamin B12
Correct Answer: D
Rationale: Parietal cells produce intrinsic factor, essential for vitamin B12 absorption, and hydrochloric acid, not the other functions listed.
Substances which are not related with hepatic portal circulation :-
- A. Amino acid
- B. Fatty acid
- C. Glucose
- D. Electrolytes
Correct Answer: B
Rationale: Fatty acids are absorbed into lacteals and enter the lymphatic system, not the hepatic portal vein.