In this section of the NCLEX-RN examination, you will be expected to demonstrate your knowledge and skills of laboratory values in order to:. The client's current laboratory values are compared to the normal laboratory values, as above, in order to determine the physiological status of the client and to compare the current values during treatment to the laboratory values taken prior to a treatment. As previously discussed, clients must be educated about the purpose of the prescribed laboratory test, the procedure for the laboratory test and any preparation the laboratory tests that is indicated. For example, a client in the community may be instructed to remain NPO after midnight. Some central venous catheters have a couple or several lumens, one of may be used to withdraw a blood sample. The port that can be used to draw a blood sample is cleansed with alcohol.
The results of the test will show if a person is within the normal lab values. According to the Food and Drug Administration FDA , normal lab test values are a set of upper and lower limits generally given as a range since normal values vary from person to person. Laboratory tests are commonly administered in discovering the cause of symptoms, confirming a diagnosis and screening for diseases. The information obtained from the test can also help rule out, asses and monitor the progression of a disease and plan for treatment. A doctor will send the sample collected to a laboratory for testing. The sample will be tested to see how it reacts to different substances. The results will then be returned to the doctor to determine health conditions.
The basic metabolic panel is a group of blood tests that provides information about your body's metabolism. A blood sample is needed. Most of the time blood is drawn from a vein located on the inside of the elbow or the back of the hand.
This blood test gives information about your body's metabolism, or how your body uses food for energy. It gives a snapshot of the health of your kidneys, your blood sugar levels, and the levels of key electrolytes, such as potassium and sodium. A basic metabolic panel test measures the levels of eight important things in your blood:. Calcium plays a role in keeping your cells working the way they should.