Your initial attempt to ventilate an unresponsive apneic 30-year-old man is met with resistance and you do not see the chest rise. Your second ventilation attempt is also unsuccessful. You should:

Air accumulation in the thorax that causes displacement of the mediastinum will result in a condition known as:

A) flail segment. B) tension pneumothorax. C) sucking chest wound. D) simple pneumothorax.

First-generation antihistamines can cause which of the following effects? 1. Drying of upper airway secretions 2. Sedation 3. Decreased rhinitis 4. Decreased sneezing 5. Drowsiness

a. 2 and 5 only b. 1, 3, and 4 only c. 2, 3, 4, and 5 only d. 1, 2, 3, 4, and 5