Chapter 9 Phlebotomy. Study Chapter 3,4, And 9

Question 1

What is the ideal time for specimen to be collected?

Answer 1

10 hours after the last ingestion of food

Question 2

If a patient is taking high doses of Tylenol, which of the following analyze result is most likely to be affected.

Answer 2

Serum bilirubin

Question 3

If a health care worker collects a venipuncture specimen from an arm site slightly abover the patient’s IV ( in the same arm ), what effect does it have on the specimen?

Answer 3

It will dilute the specimen with IV fluids

Question 4

What effect does excessive probing with a needle in the patient’s arm have on a venipuncture specimen?

Answer 4

It can rupture erythrocytes and release tissue clothing factors

Question 5

Which of the following is a solid mass derived from blood constituents that can occlude a vein or an artery.

Answer 5

Thrombus

Question 6

A physiological abnormality that can cause hemolysis is

Answer 6

Sickle cell disease

Question 7

Which of the following lab test results are affected most if the patient is not fasting

Answer 7

Triglyceride and glucose

Question 8

Which of the following would mostly likely not be an explanation for turbid serum?

Answer 8

Elevated glucose result

Question 9

If the tourniquet is applied fore longer than 3 minutes, which of the following analyses will most likely become falsely elevated?

Answer 9

Potassium

Question 10

Emotional stress, such as anxiety or fear, can lead to a decrease of which of the following analytes?

Answer 10

Serum Iron