Nokea
Which of these human teeth are used for grinding?
- A. incisors
- B. canines
- C. premolars
- D. molars
Correct Answer: D
Rationale: Molars are flat, broad teeth specialized for grinding food.
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Fungiform papillae are most numerous in:
- A. Pharyngeal part of the tongue [post. 1/3rd]
- B. Oral part of the tongue
- C. Edges & tip of tongue.
- D. Basolateral area of oral part of the tongue.
Correct Answer: B
Rationale: Fungiform papillae are scattered across the oral part of the tongue but are most concentrated at the edges and tip, where taste perception is heightened.
A client is being prepared for a colonoscopy, a test to visualize the large intestine. The nurse is aware that this examination will assist in identification of pathology of the:
- A. Large intestine
- B. Stomach
- C. Small intestine
- D. Esophagus
Correct Answer: A
Rationale: A colonoscopy visualizes the large intestine to detect abnormalities.
Secretin is a hormone that:
- A. stimulates the release of pancreatic fluid
- B. converts trypsinogen into trypsin
- C. activates chymotrypsin
- D. inhibits the action of pancreatic lipase
Correct Answer: A
Rationale: Secretin stimulates the pancreas to release bicarbonate-rich fluids to neutralize stomach acid.
All of the following are components of saliva EXCEPT?
- A. Mucin
- B. Pepsin
- C. Amylase
- D. IgA antibodies
Correct Answer: B
Rationale: Pepsin is not a component of saliva; it is found in the stomach where it helps digest proteins. Saliva contains mucin, amylase, and IgA antibodies.
The nephron is surrounded by capillaries. What is their name?
- A. Multitubular capillaries
- B. Unitubular capillaries
- C. Peritubular capillaries
- D. Polytubular capillaries
Correct Answer: C
Rationale: Peritubular capillaries surround the nephron, facilitating reabsorption and secretion.