(4.24) Irmagine that you test your patient and determine that there is a ventilation-pertusionratio that is Ereater than normal. You also determine that the PO 2 has increased in the alveoll where this ratio thas increased the most. Which of the following conditions could account for this? Excess mucus in the airways Collapse of 25N of the alveroli in the left lung The patient has bronchospasms that restrict airflow into the lungs Ar) embolism in one of the smaller pulmonary arteries The patient could be taking drugs that reduce their respiration rate.