Nokea
Match each term with the correct description: carries urine from bladder to outside of the body
- A. urethra
- B. urinary system
- C. bladder
- D. kidneys
Correct Answer: A
Rationale: The urethra carries urine from the bladder to the outside.
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Which structure is the uppermost part of the alimentary canal or gastrointestinal (GI) tract?
- A. Esophagus
- B. Liver
- C. Cecum
- D. Sigmoid
Correct Answer: A
Rationale: The alimentary canal begins at the mouth, followed by the esophagus, making the esophagus the uppermost structure listed.
The hardest constituent of the tooth is-
- A. Enamel
- B. Dentine
- C. Bone
- D. Pulp
Correct Answer: A
Rationale: Enamel is the hardest substance in the human body, protecting the tooth's inner layers.
Salivary amylase and pancreatic amylase are enzymes responsible for the chemical breakdown of
- A. starch
- B. maltose
- C. glucose
- D. lactose
Correct Answer: A
Rationale: Amylase enzymes break down starch into simpler sugars such as maltose during digestion.
Which of the following secretions is NOT produced by gastric glands?
- A. hydrochloric acid
- B. intrinsic factor
- C. pepsin
- D. sebum
Correct Answer: D
Rationale: Sebum is an oily substance produced by sebaceous glands in the skin, not by gastric glands, which secrete HCl, intrinsic factor, and pepsin.
What is the structural composition of the liver?
- A. Composed of lobules with hepatocytes radiating from a central vein
- B. Composed of flat epithelial sheets
- C. Composed of acini surrounding ducts
- D. Composed of fibrous tissue only
Correct Answer: A
Rationale: The liver consists of lobules, functional units where hepatocytes radiate from a central vein, facilitating its metabolic roles.