$\text{Sensitivity} = \frac{\text{True Positives}}{\text{True Positives} + \text{False Negatives}}$

Question 1

Which of the following best defines phlebotomy?

Accepted Answer

The incision of a vein for collecting a blood sample for laboratory testing or therapeutic purposes.

Question 2

Which laboratory department is responsible for analyzing blood glucose, electrolytes, and lipids?

Accepted Answer

Clinical Chemistry

Question 3

A phlebotomist is preparing to collect a fasting blood specimen. Which of the following is a critical preanalytical variable?

Accepted Answer

Confirming the patient has fasted for the required period before collection.

Question 4

Which of the following agencies is responsible for certifying laboratory personnel and accrediting laboratory programs?

Accepted Answer

American Society for Clinical Pathology (ASCP)

Question 5

A phlebotomist is evaluated for competency. Which of the following is NOT a typical method of assessment?

Accepted Answer

Ignoring feedback from supervisors

Question 6

Which of the following is a key component of professionalism for phlebotomists?

Accepted Answer

Respecting patient confidentiality and cultural differences

Question 7

Which phase of laboratory testing includes patient identification and specimen labeling?

Accepted Answer

Preexamination

Question 8

A phlebotomist is involved in a quality improvement project using the Six Sigma DMAIC framework. What is the correct order of the phases?

Accepted Answer

Define, Measure, Analyze, Improve, Control

Question 9

Which of the following best describes the Pareto Principle as applied to laboratory quality assessment?

Accepted Answer

80% of the trouble comes from 20% of the problems

Question 10

A phlebotomist is reviewing a cause-and-effect (Ishikawa) diagram. What is the primary purpose of this tool?

Accepted Answer

To identify interactions among equipment, methods, people, supplies, and reagents

Question 11

Which of the following is an example of a preanalytical error in phlebotomy?

Accepted Answer

Misidentification of a patient before specimen collection

Question 12

Which formula correctly represents the calculation of test sensitivity?

Accepted Answer

$	ext{Sensitivity} = \frac{	ext{True Positives}}{	ext{True Positives} + 	ext{False Negatives}}$

Question 13

A phlebotomist is required to maintain continuing education (CE) credits. What is the primary reason for this requirement?

Accepted Answer

To keep up to date in the field and maintain competency in practice

Question 14

Which of the following is a desired character trait for phlebotomists?

Accepted Answer

Accountability for doing things right

Question 15

Which of the following is a function of the Clinical Laboratory Improvement Amendments (CLIA) Individualized Quality Control Plan?

Accepted Answer

To identify possible errors prior to the analytical process

Question 16

A phlebotomist is working in a hospital laboratory. Which of the following departments would handle blood bank procedures?

Accepted Answer

Immunohematology

Question 17

Which of the following is NOT a recommended strategy for stress management in the workplace?

Accepted Answer

Ignoring stress and continuing unhealthy habits

Question 18

Which of the following is a basic requirement for a quality specimen?

Accepted Answer

Use of correct anticoagulants and preservatives

Question 19

A phlebotomist is using a flowchart to assess a laboratory process. What is the main advantage of this tool?

Accepted Answer

It provides a visual representation of steps or decision points in a process.

Question 20

Which of the following best describes the difference between quality improvement and quality control procedures?

Accepted Answer

Quality improvement focuses on ongoing enhancements to processes, while quality control ensures specific standards are met during testing.

Phlebotomy Practice and Quality Assessment: Foundations for Personal Health Professionals

Study Guide - Practice Questions