What is the primary tool used to diagnose a pneumothorax?

Which of the following statements about smoke detectors is MOST accurate?

A. Smoke detectors initiate an alarm much slower than heat detectors. B. In most cases, smoke detectors are installed in nonresidential and large multi-family occupancies. C. Smoke detectors are self-contained units capable of both detecting smoke and sounding an alarm. D. Typically, smoke detectors are installed in single-family residences and smaller multi-family occupancies.

Which of the following accurately describes what happens to the intervertebral foramen during extension?

a. Intervertebral foramen becomes smaller. b. Intervertebral foramen remains the same size. c. Intervertebral foramen becomes larger. d. Intervertebral foramen becomes square in shape.