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WBC Exam Practice Questions and Answers 2023 with complete solution

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WBC Exam Practice Questions and Answers 2023 with complete solution Functionally, white blood cells are divided into A. Granulocytes, nongranulocytes B. Polymorphonuclears, mononuclears C. Phagocytes, immunocytes D. Granulocytes, lymphocytes C. Phagocytes, immunocytes The major function of leukocytes is defense either by phagocytosis or by immune mechanisms. The phagocytic cells are the granulocytes and monocytes. The immune response is mediated by lymphocytes, however, monocytes play a role in immunity as antigen-presenting cells. Leukocytes may be classified according to granularity as granulocytes and nongranulocytes or divided based on nuclear segmentation as polymorphonuclears (PMNs) and mononuclears. What is the largest WBC normally found in the peripheral blood? A. Eosinophil B. Neutrophil C. Lymphocyte D. Monocyte D. Monocyte Monocytes have a diameter up to 20um, making them the largest cells in the peripheral blood under normal conditions. Eosinophils and neutrophils have diameters of about 12um. The small lymphocyte is 8-9um in diameter, similar to the RBC which has a diameter of 6-8um. Large lymphocytes range in size from 11-16um in diameter. What is the approximate amount of time a granulocyte spends in the circulation before migrating into the tissues? A. Less than 1 day B. About 3 days C. Up to 5 days D. More than 10 days A. Less than 1 day After granulocytes are released from the BM, they remain in circulation one day or less. Their major function takes place in tissues. They migrate through vessel walls to reach areas of inflammation very soon after release. The life span of granulocytes is short; however eosinophils and basophils apepar to survive longer in the tissues than neutrophils. What percentage of neutrophils in the peripheral blood constitutes the circulating pool? A. 100% B. 80% C. 50% D. 30% C. 50% Approximately 50% of the neutrophils in the PB are found in the circulating pool. This is the pool measured when a total WBC count is done. Another 50% are found adhering to

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Name: Millennia Segura


NNA-80 End of
Semester Worksheet
1. My CNA State Exam will consist of both a written or oral examination and the Skills
evaluation.

2. If I missed one of my skills, but did everything else correctly, I can still earn
my certification (circle one) T/F

3. What is the cost for all rescheduled, cancelled, or missed exams?
• $25

4. All of you have now been scheduled for your exam. If for any reason you cannot
make your scheduled exam, can you use the money from RCC to reschedule?
• No, it must be paid out of pocket.

5. My exam is scheduled at 1800, but I really wanted the 1500 slot because I have plans.
Is it acceptable to show up for the earlier time?
• No, you must accommodate to the time you were given.

6. I was unprepared and sent away on the day of my state exam. I know my classmates
are testing the next day, can you go to the exam on the next day?
• No, you must re-apply by submitting another registration application to
the Regional Testing Center with the rescheduling fee’s.

7. When must you arrive to take your state exam?
• 15 minutes before

8. How much time should you plan to spend testing on exam day?
• The entire day

9. What must you have with you when you take the examination? List all items:
• Original Social Security Card
• Valid current government issued legal photo identification
• Application for NA certification (HS 283B)
• Watch with second hand
• Non-skid footwear, dressed professionally
• Two No.2 Sharpened pencils
• Eraser
• Optional: Translation Dictionary


10. How long will you have to complete the entire skills portion?

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