A school nurse identifies that a child has pediculosis capitis (head lice) and educates the child's parents about the condition. Which of the following statements by the parents indicates an understanding of the teaching?

Choice A rationale:

Intramuscular administration involves injecting medication into muscle tissue, which may result in slower and variable absorption rates. It is not the optimal route for providing fast and complete absorption of Furosemide.

Choice B rationale:

Subcutaneous administration delivers medication into the fatty tissue beneath the skin. While it can be used for some medications, it generally results in slower absorption compared to intravenous administration, and it may not be suitable for Furosemide, which requires rapid action in a severe heart failure situation.

Choice C rationale:

Oral administration involves taking medication by mouth, and the absorption process can be influenced by factors such as gastric emptying and gastrointestinal transit time. In an urgent scenario of severe heart failure, oral administration might be too slow and unpredictable.

Choice D rationale:

Intravenous administration allows for the fastest and most complete absorption of Furosemide. By directly delivering the medication into the bloodstream, it bypasses the absorption barriers of the gastrointestinal tract, leading to rapid onset of action and predictable effects, which is crucial in managing acute heart failure. This route is commonly used in critical situations where immediate therapeutic effects are needed.

Choice A rationale:

Pneumonia is not likely to be the correct answer. Pneumonia is often characterized by productive cough, fever, chest pain, and increased tactile fremitus due to consolidation of lung tissue. The presence of barrel chest, decreased tactile fremitus, and hyperresonant percussion sounds is not consistent with pneumonia.

Choice B rationale:

Atelectasis is not the most likely option. Atelectasis refers to collapsed or partially collapsed lung tissue, which can lead to decreased breath sounds, dullness to percussion, and decreased tactile fremitus. The symptoms mentioned in the scenario, such as prolonged expiration, wheezes, and barrel chest, are not indicative of atelectasis.

Choice C rationale:

Pleural effusion is not the most suitable choice. Pleural effusion usually presents with decreased breath sounds, dullness to percussion, and decreased tactile fremitus over the affected area due to fluid accumulation in the pleural space. The hyperresonant percussion sounds and the presence of wheezes and rhonchi do not align with pleural effusion.

Choice D rationale:

Emphysema is the most likely disorder based on the given symptoms. Barrel chest (increased anterior-posterior chest diameter), limited lung expansion, decreased tactile fremitus, hyperresonant percussion sounds, prolonged expiration, wheezes, and rhonchi are characteristic findings of emphysema. This condition involves damage to the alveoli and their supporting structures, leading to air trapping, reduced lung elasticity, and obstructed airflow. The patient's use of accessory muscles to breathe further suggests a chronic obstructive pulmonary disease (COPD) like emphysema.