What stimulus is most commonly used in bronchoprovocation testing in the patient suspected to have asthma?

Medication that degrades polymers in secretions

a. Mucoregulatory agent b. Mucospissic agent c. Mucoactive agent d. Mucokinetic agent e. Mucolytic agent

A lateral knee projection demonstrates the medial femoral condyle anterior and proximal to the lateral femoral condyle. How was the positioning setup mispositioned for such an image to be obtained?

1. The central ray was angled too caudally. 2. The central ray was angled too cephalically. 3. The patient's patella was positioned too close to the IR. 4. The patient's patella was positioned too far away from the IR. a. 1 and 3 only b. 1 and 4 only c. 2 and 3 only d. 2 and 4 only