Which of the following is a nonverbal channel of communication?

Which of the following statements indicates that the speaker knows how to properly size an oral airway before its placement?

a. "It is better to have an oral airway that is too large than one that is too small." b. "To select an appropriately sized oral airway, you must first estimate the patient's height and weight." c. "The length of the airway should approximate the distance from the corner of the mouth to the angle of the jaw." d. "An appropriately sized oral airway can be selected by looking in the patient's mouth and estimating the length of the tongue."

Moving the inner knob will increase or decrease the size of the loop to match the diameter of the tooth

a. True b. False Indicate whether the statement is true or false