ATI RN
Questions On Reproductive System Questions
Question 1 of 5
As CO₂ produced in the tissues combines with H₂O in the blood:
Correct Answer: D
Rationale: CO₂ + H₂O forms carbonic acid (A), HCO₃⁻ exits RBCs (C), and Cl⁻ shifts in (B), so all (D) occur.
Question 2 of 5
The pleural cavities are closed, separate cavities within the thorax.
Correct Answer: A
Rationale: True (A): Pleural cavities are closed and separate, enclosing each lung. False (B) is incorrect.
Question 3 of 5
In the respiratory system, simple squamous epithelium is restricted to the alveoli.
Correct Answer: A
Rationale: True (A): Simple squamous epithelium is in alveoli for gas exchange. Other areas (e.g., trachea) have different epithelium. False (B) is incorrect.
Question 4 of 5
The partial pressure of a gas is directly proportional to its molecular weight.
Correct Answer: B
Rationale: False (B): Partial pressure depends on concentration and total pressure, not molecular weight (Dalton’s law). True (A) is incorrect.
Question 5 of 5
As bicarbonate ions attach to erythrocytes, the balance between positively and negatively charged ions is disturbed, causing the chloride shift.
Correct Answer: B
Rationale: False (B): HCO₃⁻ exits RBCs, Cl⁻ enters (chloride shift) to maintain charge balance, not from attachment. True (A) is incorrect.