Focal spots measuring 0.3 mm or less should be measured with a

When auscultating breath sounds, the EMT should recognize rhonchi when he hears which of the following sounds?

A) Rattling-like noises that decrease when the patient coughs B) Crowing-like sounds that are accompanied by a high-pitched cough C) High-pitched whistling-like noises heard more on expiration D) Crackling-like noises that are heard in the upper portion of the lung

A black colony on HE and XLD agars, isolated from a stool culture, produces the following biochemical reactions:

Motility at 25°C: positive PAD: no color change Motility at 35°C: positive Indole: no color change Urea: no color change VP: no color change If this organism is a strict pathogen, you expect it to also be A) citrate negative and lysine negative. B) citrate negative and lysine positive. C) citrate positive and lysine negative. D) citrate positive and lysine positive.