Correct Answer: A

Rationale: Hormones play a crucial role in various bodily functions such as regulating metabolism, growth, and maintaining homeostasis. However, producing new offspring involves reproductive processes controlled by other systems in the body, not directly by hormones.

Correct Answer: D

Rationale: Coryza, also known as the common cold, primarily affects the upper respiratory tract and is not typically associated with lower respiratory tract infections. Pneumonia, asthma, and bronchiolitis are conditions that can manifest as lower respiratory tract infections.

Correct Answer: A

Rationale: Diarrhea can be caused by various infectious agents such as bacteria, parasites, and viruses. Allergy, on the other hand, is a non-infectious cause of diarrhea. When an individual with a food allergy consumes the specific food they are allergic to, it can trigger diarrhea as a part of the allergic reaction.

Correct Answer: C

Rationale: Chest pain is a common symptom associated with pneumococcal pneumonia. It can occur due to inflammation of the pleura or irritation of the lung tissue, leading to sharp or stabbing pain that worsens with breathing or coughing. While cough and fever are also common with pneumonia, chest pain is particularly significant in this case.

Correct Answer: D

Rationale: Coryza, also known as the common cold, is a viral infection that primarily affects the upper respiratory tract and is not typically associated with lower respiratory tract infections. Pneumonia, asthma, and bronchiolitis are conditions that commonly affect the lower respiratory tract, causing symptoms like cough, difficulty breathing, and chest pain.