________ is the visual examination of body structures or tissue, with or without a microscope

The Cincinnati Prehospital Stroke Scale evaluates possible stroke patients on what three parameters?

A) Age, duration of symptoms, abnormal speech B) Arm drift, blood glucose levels, history seizures C) Headache, arm drift, onset of symptoms D) Facial droop, arm drift, abnormal speech

Proper instructions for positive expiratory pressure include which of the following?

1. Take in a breath that is larger than normal, but do not fill lungs completely. 2. Exhale forcefully and maintain an expiratory pressure of 10 to 20 cm H2O. 3. After 10 to 20 breaths, take two or three "huff"' coughs, and rest as needed. 4. Repeat the cycle 8 to 10 times, not to exceed 30 min. a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only