A membrane filter is used to remove particulates from a solution

Prior to beginning the radiographic procedure, the radiographer may need to remove the mask worn for PPE when treating a patient with a hearing impairment

Indicate whether the statement is true or false

Directed coughing is useful in helping to maintain airway clearance in which of the following cases? 1. Bronchiectasis 2. Acute asthma 3. Cystic fibrosis 4. Spinal cord injury

a. 1 and 3 only b. 1, 2, and 3 only c. 1, 2, 3, and 4 d. 1, 3, and 4 only