A software company emails a random sample of employees to poll them about their vacation preferences. New employees are underrepresented; they could not be contacted since they do not have access to their new employee emails yet. This is an example of

What will the nurse do first when preparing to apply personal protective equipment (PPE) before caring for a patient in isolation?

What should a PBT do before placing a specimen tube or container in a specimen transport bag?

Ten doctors who share an office are considering whether they should open earlier for the 500 patients they serve. The front office decides to poll a total of 100 patients to find out their opinion on earlier hours. What is the sample in this scenario?

You are hoping to keep the school dining hall open for longer periods of time, so you create a survey to send to students asking their thoughts on the dining hall. Which question is the LEAST biased? 

The nurse is discussing the guidelines for proper use of PPE by nursing assistive personnel (NAP). Which statement made by the NAP requires follow-up by the nurse?

Which personal protective equipment (PPE) will the nurse wear if there is a risk of a blood splash when caring for a patient?

Spores that cause C. diff are especially dangerous because

When removing gloves, the first glove should be grasped

An alcohol-based hand rub is considered