## Core Concept
The question seems to be missing the actual statements related to options A, B, C, and D. However, based on the instruction to provide a detailed explanation, I will create a hypothetical scenario related to a common medical topic to illustrate the required format.

Let's assume the question is about the characteristics of different types of lung volumes and capacities, and the statements are related to these.

## Why the Correct Answer is Right
In respiratory physiology, lung volumes and capacities are crucial for understanding pulmonary function. For instance, **tidal volume (TV)** is the amount of air inhaled or exhaled during normal breathing, approximately 500 mL. **Vital capacity (VC)** is the maximum amount of air a person can expel from the lungs after a maximum inhalation. If one of the statements correctly describes a known physiological parameter, such as "Vital capacity is the sum of tidal volume, inspiratory reserve volume, and expiratory reserve volume," then it would be correct.

## Why Each Wrong Option is Incorrect
- **Option A:** If a statement claims that "Residual volume is the volume of air remaining in the lungs after a normal exhalation," it would be incorrect because residual volume (RV) is actually the volume of air left in the lungs after a maximal exhalation, not a normal exhalation.
- **Option B:** If another statement incorrectly defines a lung capacity, such as saying "Functional residual capacity (FRC) is the volume of air in the lungs at the end of a maximal inhalation," it would be wrong because FRC is the volume of air present in the lungs at the end of passive expiration.
- **Option C:** A statement might inaccurately describe the relationship between different lung volumes; for example, claiming that "Inspiratory capacity is the sum of tidal volume and expiratory reserve volume," which would be incorrect because inspiratory capacity (IC) is actually the sum of tidal volume (TV) and inspiratory reserve volume (IRV).
- **Option D:** This would presumably be a correct statement, given that it's the correct answer.

## Clinical Pearl / High-Yield Fact
A key point to remember is that **pulmonary function tests (PFTs)**, including measurements of lung volumes and capacities, are critical in diagnosing and managing respiratory diseases. Understanding the definitions and interrelations of these volumes and capacities is essential for interpreting PFT results.

## Correct Answer: D. [Correct Statement].