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The reason we have to wipe away the first drop of blood with a clean cotton ball or gauze during blood sugar check is because the first drop of blood often contains a large portion of serous fluid that dilutes the specimen, causing a false result. 

A nasogastric (NG) tube is used with suction when a patient is experiencing excessive vomiting, needs stomach decompression after intestinal surgery, or is at risk for aspirating stomach contents because of decreased level of consciousness. You don’t need to have a physician’s order to insert a nasogastic tube. 

The goals of nutritional therapy are to treat and manage disease, prevent complications, and restore or maintain health through appropriate diet. 

Lumbar puncture is insertion of a hollow needle into the subarachnoid space between the 3rd and 4th lumbar vertebrae to withdraw samples of cerebrospinal fluid for analysis and to measure the pressure; also called spinal puncture and spinal tap.

is the visual inspection of the upper digestive tract and the stomach to obtain specimens of gastric contents and perform a biopsy on the stomach tissues.  is the inspection of the entire large intestine for polyps, areas of inflammation, and malignant lesions. 

Laboratory examinations of blood, urine, and other body fluids and tissues provide accurate information about the function of various organs and physiologic mechanisms. 

Which of the following would be appropriate for a patient on a clear liquid diet?

Factors that can affect the therapeutic process regardless of the particular intervention include:       

The role of child life specialists is to:  

Getting a blood test that looks at cholesterol levels is an example of: