Nokea
All about vermilion zone (free red margin) of lip is true EXCEPT:
- A. Covered by modified mucous membrane
- B. The epith covering has clear keratin superficial layer.
- C. Show deep & numerous dermal papilla
- D. Show NO skin appendages.
Correct Answer: A
Rationale: The vermilion zone is covered by modified skin, not a mucous membrane, though it lacks skin appendages and has a thin keratin layer.
You may also like to solve these questions
Which of the following substances is considered inorganic?
- A. minerals
- B. fats
- C. carbohydrates
- D. proteins
Correct Answer: A
Rationale: Minerals are inorganic substances, unlike fats, carbohydrates, and proteins, which are organic.
Aldosterone does what?
- A. Prevents Na+ reabsorption
- B. Promotes Water reabsorption
- C. Promotes Na+ reabsorption
- D. Prevents water reabsorption
Correct Answer: C
Rationale: Aldosterone promotes sodium reabsorption in the distal tubule and collecting duct, indirectly aiding water retention.
Which of the following hormones stimulates the production of pancreatic juice and bicarbonate?
- A. Insulin and glucagon
- B. Cholecystokinin and secretin
- C. Gastrin and insulin
- D. Angiotensin and epinephrine
Correct Answer: B
Rationale: Secretin and cholecystokinin stimulate the pancreas to release pancreatic juice and bicarbonate.
Match each term with the correct description: organs that filter blood to remove wastes collected from all cells
- A. urethra
- B. urinary system
- C. bladder
- D. kidneys
Correct Answer: D
Rationale: The kidneys filter blood to remove cellular wastes.
Process of absorption of nutrients is carried out by
- A. Passive transport
- B. Facilitated transport
- C. Active transport
- D. All of the above
Correct Answer: D
Rationale: Nutrient absorption involves passive, facilitated, and active transport mechanisms.