You Are Using a Pneumatic Attachment on the Otoscope While

question 17

Multiple Choice

You are using a pneumatic attachment on the otoscope while assessing tympanic membrane movement. You gently squeeze the bulb but see no movement of the membrane. Your next action should be to:

• A) remove all cerumen from the canal.
• B) change to a larger speculum.
• C) squeeze the bulb with more force.
• D) insert the speculum to a depth of 2 cm.

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Definitions:

Continuous Variables

Variables that can take on an infinite number of values or levels.

Binomial

Pertaining to a probability distribution that models the number of successes in a fixed number of trials, with only two possible outcomes.

Normal Probability Distribution

Describes a symmetrical, bell-shaped curve where most occurrences take place at the central peak and probabilities for values taper off equally on either side.

Binomial Probability Distribution

A probability distribution that summarizes the likelihood that a variable will take one of two independent values under a given set of parameters or assumptions.