ATI RN
Questions About Reproductive System Questions
Question 1 of 5
Neither the trachea nor the bronchi contain:
Correct Answer: D
Rationale: Trachea and bronchi have cartilage (A), ciliated epithelium (B), and goblet cells (C), but not simple squamous epithelium (D), which is in alveoli.
Question 2 of 5
Which combination of muscles permits inspiration?
Correct Answer: C
Rationale: External intercostals and diaphragm (C) expand the chest for inspiration. Internal intercostals (A, D) aid expiration, abdominals (B) assist forced expiration.
Question 3 of 5
The nasal septum divides the nose into right and left nasal cavities.
Correct Answer: A
Rationale: True (A): The nasal septum separates right and left nasal cavities. False (B) is incorrect.
Question 4 of 5
An increase or decrease in blood P_CO₂ is always accompanied by a change in plasma H⁺ concentration (plasma pH).
Correct Answer: A
Rationale: True (A): P_CO₂ shifts H⁺ via carbonic acid (CO₂ + H₂O ⇌ H⁺ + HCO₃⁻), affecting pH. False (B) is incorrect.
Question 5 of 5
An elevation in pH causes peripheral chemoreceptors to increase the rate and depth of breathing.
Correct Answer: B
Rationale: False (B): High pH (alkalosis) decreases breathing rate via chemoreceptors. Low pH stimulates. True (A) is incorrect.