Nokea
About Vermilion zone, all true except:
- A. Covered by modified skin
- B. Transitional zone between outer & inner labial surfaces.
- C. Its epithelium is thicker than skin covering outer labial surface
- D. The dermal papillae beneath the epidermis are numerous, deep and highly vascular.
Correct Answer: C
Rationale: The vermilion zone's epithelium is thinner than the outer labial skin, not thicker, allowing the underlying vascularity to show through, giving it a red appearance.
You may also like to solve these questions
Which process matches the definition: Rhythmic contraction and relaxation of smooth muscle that propel food along the digestive tract?
- A. Ingestion
- B. Peristalsis
- C. Assimilation
- D. Absorption
Correct Answer: B
Rationale: Peristalsis is the rhythmic muscular action that moves food through the digestive tract.
Nasal chambers and buccal cavity are separated by-
- A. By uvula
- B. By palate
- C. By tongue
- D. None of these
Correct Answer: B
Rationale: The palate (hard and soft) separates the nasal chambers from the buccal cavity.
Peristalsis moves food material:
- A. in the stomach and small intestine only
- B. in the small and large intestines only
- C. in the stomach and small and large intestines only
- D. from the pharynx to the anal canal
Correct Answer: D
Rationale: Peristalsis is a wave-like muscle contraction that moves food material through the entire gastrointestinal tract.
The nurse is caring for a client who is returning from the operating room following a cholecystectomy, or removal of the gallbladder. The nurse knows that the function of the gallbladder is to:
- A. Manufacture bile
- B. Concentrate bile
- C. Remove toxins from the blood
- D. Make albumin
Correct Answer: B
Rationale: The gallbladder concentrates and stores bile produced by the liver.
A patient who has undergone gastrectomy (removal of the stomach) may suffer from:
- A. cirrhosis
- B. pernicious anemia
- C. gastric ulcer
- D. inability to digest fats
Correct Answer: B
Rationale: Gastrectomy can lead to pernicious anemia due to reduced intrinsic factor production, necessary for vitamin B12 absorption.