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A nurse has attached electrode pads to a client’s chest. However, the monitor displays an error message. What could be responsible for the message?

A nurse is using an automated external defibrillator (AED) to try to resuscitate a middle-aged client outside the hospital. The nurse knows that, ideally, an AED should be used within how much time of beginning resuscitation efforts outside the hospital?

A nurse needs to relieve a client with airway obstruction. Which of the following interventions carries a risk of spinal injury?

A nurse is using an IV port when administering medication to a client. Which IV administration has the greatest potential to cause life-threatening changes?

A nurse who provides care on a busy medical unit works with clients who typically undergo numerous tests and examinations during their time in the hospital. Which is an example of a client who has had a laboratory test?

Sample C is your PCR product, approximately what size is the fragment that is positioned at the middle of the three bands? 

When using a microscope, what should you always do first before you begin viewing samples? 

When irrigating a client’s ear, the nurse avoids occluding the ear canal with the tip of the syringe. Why should the nurse take such a precaution?

A nurse is administering a prescribed hypertonic saline enema to a client with constipation. Which is a function of hypertonic saline enema?

A hospital client with type 1 diabetes requires the administration of 4 units of regular (short-acting) insulin and 12 units of NPH (long-acting) insulin. The nurse knows to combine these two types of insulin immediately before administration. What is the rationale for the nurse’s action?