A nurse is reviewing the concepts of pathophysiology and pathophysiology nursing with a group of nursing students. Which of the following statements by a student indicates a need for further teaching?

Choice A reason: This is a correct definition of pathophysiology and does not indicate a need for further teaching.

Choice B reason: This is a correct definition of pathophysiology nursing and does not indicate a need for further teaching.

Choice C reason: This is a correct description of what pathophysiology nursing involves and does not indicate a need for further teaching.

Choice D reason: This is an incorrect statement that contradicts the text and indicates a need for further teaching.

Choice A reason: This is an incorrect answer because feeling tired and weak are common symptoms of pneumonia, but not indicative of a complication.

Choice B reason: This is an incorrect answer because coughing up yellow-green sputum with some blood is a common sign of pneumonia, but not indicative of a complication.

Choice C reason: This is an incorrect answer because having chest pain that worsens with deep breathing is a common sign of pleurisy (inflammation of the lining of the lungs), which is often associated with pneumonia, but not indicative of a complication.

Choice D reason: This is a correct answer because having trouble breathing and cyanosis are signs of hypoxemia, which is a possible complication of pneumonia that can lead to respiratory failure and death.