Nokea
Which of the following is absorbed in ileum-
- A. Fat
- B. Bile salts
- C. Vit-K
- D. Glucose
Correct Answer: B
Rationale: Bile salts are reabsorbed in the ileum.
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What waste does the integumentary system remove from the body?
- A. liquid waste
- B. carbon dioxide
- C. salt and water
- D. urea
Correct Answer: C
Rationale: The integumentary system, via sweat glands, removes salt and water through perspiration.
Amylase enzyme acts on which substrate ______________.
- A. Protein.
- B. Carbohydrates.
- C. Fatty acids.
- D. Fat.
Correct Answer: B
Rationale: Amylase is an enzyme that breaks down carbohydrates into simpler sugars like maltose and dextrin.
The liver facilitates the conjugation of bilirubin with glucuronic acid, resulting in the formation of bilirubin glucuronide. The primary objective of this process is to:
- A. Convert bilirubin into a form suitable for storage within the body
- B. Generate bile salts required for the absorption of lipids
- C. Enable the transportation of bilirubin in the blood to sites where it can be utilized
- D. Render bilirubin water-soluble, facilitating its excretion in the urine
Correct Answer: D
Rationale: Conjugation makes bilirubin water-soluble, allowing its excretion in bile and urine, preventing accumulation.
Which process matches the definition: The process of taking food, drink or other substance into the body by swallowing or absorbing it?
- A. Assimilation
- B. Ingestion
- C. Absorption
- D. Motility
Correct Answer: B
Rationale: Ingestion is the act of taking food into the body via the mouth.
All enzymes involved in protein digestion are:
- A. secreted by the pancreas
- B. activated by HCl
- C. present in the stomach
- D. secreted in an inactive form
Correct Answer: D
Rationale: Protein-digesting enzymes like pepsinogen and trypsinogen are secreted in an inactive form and activated later.