Final answer:
Laryngospasm most likely leads to acute respiratory obstruction, which is a sudden and severe blockage of airflow, as opposed to the chronic conditions of emphysema and asthma.
Step-by-step explanation:
Laryngospasm is a condition where there is a sudden involuntary contraction of the vocal cords, which can lead to acute respiratory obstruction. This condition can cause difficulty breathing and may require immediate medical attention to restore airflow. Obstructive diseases and conditions, like emphysema and asthma, also affect the airways and lungs but are chronic in nature, with differences in their underlying causes and manifestations. Emphysema is often the result of long-term tobacco smoking which leads to the destruction of alveoli, while asthma is characterized by inflammation of the airways often triggered by environmental factors, leading to increased mucus production, airway edema, and bronchospasms. Therefore, the correct answer to the question, 'Laryngospasm is most likely to cause which of the following?' is (c) acute respiratory obstruction.