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Exam 48: Collecting, Processing, and Testing Blood Specimens

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Question 31

Multiple Choice

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A blood urea nitrogen (BUN) test is used to identify ____

A) anemia
B) diabetes mellitus
C) kidney disorders
D) specific cancers
E) peptic ulcers

F) A) and B)
G) A) and C)

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Question 32

Multiple Choice

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The normal fasting blood glucose level is ____.

A) 136 to 145 mEq/L
B) 37 to 92 mg/dL
C) 21 to 28 mEq/L
D) 74 to 120 mg/dL
E) 200 to 400 mg/dL

F) A) and D)
G) A) and C)

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Question 33

Multiple Choice

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Which of the following identifies how much of the volume of a sample is made up of red blood cells after the sample has been spun in a centrifuge?

The non-automated erythrocyte ________ rate (ESR) test measures the rate at which red blood cells settle to the bottom of a blood sample.

Kaiden is a 32-year-old businessman who is being seen in the office because he has been feeling fatigued all of the time. He says he is having difficulty concentrating at work, and his appetite is off. The physician has ordered several blood tests. When you explain the procedure to Kaiden, he smiles and says, "Oh, sure, I've been through this many times before. Do what you have to do!" A few seconds after you withdraw the needle, Kaiden suddenly goes limp. You realize that he has fainted and is beginning to slip out of the chair. What should you do?

Which of the following tests requires the use of a blood collection tube with a gray stopper?

A butterfly collection system generally uses a ____-gauge needle.

After how many unsuccessful attempts at obtaining a good blood sample should you seek assistance from your supervisor or the doctor?

-A blood collection tube with a yellow stopper is used to obtain blood ________.

The hemoglobin A1c test reflects blood glucose levels over what period of time?

Which of the following refers to the study of the shape or form of objects?

A(n) ________ puncture is a superficial puncture of the skin with a sharp point, releasing a smaller amount of blood than venipuncture.

Which of the following refers to the rupturing of red blood cells?

Melanie is a 46-year-old unemployed patient who is being seen in the medical office because of a pain in her abdomen that has persisted for three weeks. The physician orders a urinalysis and several blood tests. When you begin preparing to draw her blood, Melanie says, "No! I don't want you to draw my blood. I just want to know what is causing the pain in my stomach. You don't need blood for that! I can't afford all these extra tests." You explain that the blood tests are needed to help diagnose the stomach pain, but Melanie continues to refuse to allow you to draw her blood. What should you do?

The medical term hemophilia is ____.

In tests for which the use of alcohol may result in inaccurate test results, which of the following chemicals may be used to prepare the skin before venipuncture?

When blood leaks out of the vein around the puncture site during venipuncture and collects under the skin, it forms a(n) ________.

Which color stopper is used for a collection tube that contains no additive?

-Number 1 in the picture is the ________vein, a vein commonly used for venipuncture.

Which method of drawing blood would you use on a patient with small or fragile veins?