Nokea
The kidneys, skin, and lungs are each a part of the system.
- A. integumentary
- B. respiratory
- C. excretory
- D. digestive
Correct Answer: C
Rationale: The kidneys, skin, and lungs are all part of the excretory system, removing various wastes.
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All about Striated ducts is true EXCEPT:
- A. Are ion transporting cells
- B. Present in all salivary glands
- C. Present in exocrine portion of pancreas
- D. Show basal acidophilic striations.
Correct Answer: C
Rationale: Striated ducts are found in salivary glands, not the exocrine pancreas, which has intercalated ducts instead.
Which of the following structures is a common passageway for both food and air?
- A. Nasopharynx
- B. Oropharynx
- C. Esophagus
- D. Trachea
Correct Answer: B
Rationale: The oropharynx serves as a common pathway for food (to the esophagus) and air (to the laryngopharynx and trachea), unlike the other options.
Disaccharides are digested by
- A. secretin
- B. disaccharidase
- C. lipase
- D. pepsin
Correct Answer: B
Rationale: Disaccharidases, such as sucrase, lactase, and maltase, digest disaccharides into monosaccharides for absorption.
After digestion, Protein is converted into ?
- A. Glucose
- B. Sucrose
- C. Fat
- D. Amino Acid
Correct Answer: D
Rationale: Proteins are broken down into amino acids during digestion, primarily by enzymes like pepsin in the stomach and trypsin in the small intestine, for absorption and use by the body.
The food mixes thoroughly with acidic gastric juice of the by the churning movement-
- A. Rectum
- B. Duodenum
- C. Stomach
- D. Oesophagus
Correct Answer: C
Rationale: The stomach churns food with gastric juice to form chyme.