In the 1940s, health service operators at YMCAs offered massage, hydrotherapy, relaxation techniques, and exercise. What was the overall goal of these services?

You are called to the home of a patient who suddenly "stopped breathing." The patient has a history of a neoplasm at C-3 and C-4. You suspect:

A) impingement on the phrenic nerve. B) cervical fractures. C) lung cancer. D) myocardial infarction.

Reasons for the shift in oropharyngeal flora in patients receiving invasive mechanical ventilation with endotracheal tubes include which of the following?

a. Lowered pH levels b. Increase in mucus-producing cells c. Decreased production of proteases d. Decreased mucosal immunoglobulin A