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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?

A nurse is caring for a client with pseudoconstipation. What can cause pseudoconstipation in a client?

Mannitol Salt Agar is a selective and differential media. It selects for _____ and is differential for _____. 

 A client has been given fecal immunochemical test (FIT) testing supplies. What teaching will the nurse provide about the purpose for this test?

A nurse is caring for a client with an implanted catheter. The nurse knows that a dressing is applied over the implanted catheter on which of the following occasions?

The nurse is caring for a client who just underwent endoscopy. Which assessment finding requires immediate nursing intervention?