In the scientific community it is considered the cutoff point for statistical significance if a p value is equal or less than ________

Which two of the following temperatures are not equal? 1. 15° C = 288° K 2. 98.6° C = 32° F 3. 20° F = –6.7° C 4. 100° C = 273° K

a. 2 and 4 c. 3 and 4 b. 1 and 3 d. 1 and 2

An anteroposterior x-ray view of the neck is performed on a five-month-old. The respiratory therapist notices an area of "hourglass" shaped swelling in the subglottic region. What additional procedure should be performed to provide a differential diagnosis of croup in this child?

A) posteroanterior x-ray B) arterial blood gas analysis C) intubation D) bronchoscopy