The lower jaw, the only "movable" bone of the face, is hinged on both sides of the skull by the:

Postural drainage should be considered in which of the following situations?

1. In patients with chronic obstructive lung disease 2. In patients who expectorate more than 25 to 30 ml sputum per day 3. In the presence of atelectasis caused by mucus plugging 4. In patients with cystic fibrosis or bronchiectasis a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only

Saliva is a yellow fluid secreted from the salivary glands

a. True b. False Indicate whether the statement is true or false