Lipid Profile and Laboratory Tests
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Questions and Answers

What information is NOT included in a lipid profile?

  • Triglycerides
  • Glucose (correct)
  • HDL cholesterol
  • Total cholesterol

Why is the clinical diagnosis indicated on the laboratory request form?

  • To alert laboratory personnel to the presence of a possible pathogen
  • To identify the source of the specimen
  • To assist in third-party billing (correct)
  • To inform laboratory personnel of the patient's prognosis

What is the purpose of a laboratory report?

  • To relay the results of laboratory tests to the physician (correct)
  • To indicate the patient prognosis
  • To indicate the patient diagnosis
  • To order laboratory tests on a patient

What is the purpose of the patient accession number found on the laboratory report?

<p>To provide identification of each specimen in the laboratory (C)</p> Signup and view all the answers

What is a profile?

<p>An array of laboratory tests for identifying a disease (D)</p> Signup and view all the answers

What information is included in a laboratory request form?

<p>Patient's age and gender (A)</p> Signup and view all the answers

When collecting a venous blood specimen to be transported to an outside laboratory for testing, what source of information should be used for collecting and handling requirements?

<p>Laboratory directory or website (C)</p> Signup and view all the answers

What should be done when assembling equipment and supplies for a venipuncture?

<p>Check the expiration date of the blood tubes (C)</p> Signup and view all the answers

When collecting a venous blood specimen, what would be an inappropriate statement to make to the patient during the procedure?

<p>We will give you an anesthetic to numb the area. (A)</p> Signup and view all the answers

What is the primary purpose of applying a tourniquet when performing venipuncture?

<p>Make the patient's veins more visible and easier to palpate (B)</p> Signup and view all the answers

Which of the following is a correct technique for applying a tourniquet?

<p>Placing the tourniquet 3 to 4 inches above the bend in the elbow (B)</p> Signup and view all the answers

What should be done to the blood tube after collecting a venous blood specimen?

<p>Label each blood tube with a unique patient identifier (A)</p> Signup and view all the answers

What may occur if a tourniquet is applied too tightly?

<p>The venous blood flow may be obstructed (A)</p> Signup and view all the answers

Which antecubital vein is considered the best for a venipuncture?

<p>Median cubital vein (D)</p> Signup and view all the answers

What is an error in technique when selecting a vein for venipuncture?

<p>Not examining the antecubital veins of both arms (B)</p> Signup and view all the answers

What happens to a blood specimen on standing when an anticoagulant is added?

<p>The blood separates into plasma, buffy coat, and blood cells (C)</p> Signup and view all the answers

How is serum obtained?

<p>From clotted blood that has been centrifuged (A)</p> Signup and view all the answers

What technique violates the OSHA standard when performing a venipuncture?

<p>Recapping a needle (D)</p> Signup and view all the answers

What is the correct way to store evacuated tubes?

<p>At room temperature (C)</p> Signup and view all the answers

What is the minimum volume of serum required for an electrolyte profile test?

<p>4 mL (A)</p> Signup and view all the answers

What is the consequence of making a finger puncture deeper than 3.1 mm?

<p>All of the above (D)</p> Signup and view all the answers

Why should the finger not be squeezed during a capillary puncture?

<p>To avoid diluting the blood sample with tissue fluid (C)</p> Signup and view all the answers

What type of tube is used for PTT testing?

<p>Light blue-stoppered tube (C)</p> Signup and view all the answers

What is the correct sequence of actions when collecting a blood specimen?

<p>Remove the needle, then remove the tourniquet (C)</p> Signup and view all the answers

What is the correct location to apply a tourniquet during a venipuncture?

<p>1 inch above the bend in the elbow (B)</p> Signup and view all the answers

What gauge needle is commonly used for a routine venipuncture using the vacuum tube method?

<p>21 G (C)</p> Signup and view all the answers

What factor determines the size of the evacuated tube to be used?

<p>Amount of specimen required for the test (A)</p> Signup and view all the answers

Which site should be avoided for venipuncture?

<p>All of the above (D)</p> Signup and view all the answers

What technique can prevent a vein from rolling during venipuncture?

<p>Applying firm pressure below and to the side of the vein (C)</p> Signup and view all the answers

What may result in hemolysis of the blood specimen?

<p>Not labeling the blood tube (C)</p> Signup and view all the answers

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