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Free Practice Quiz Question List

2 Blood Counts and Coagulation Online Quiz Questions

Use this free practice quiz with 20 questions to review 2 Blood Counts and Coagulation, test your knowledge, and prepare for your next test or exam.

20 questions
01
Choose one
1 point

A patient has a low MCV. What does this finding indicate about the average size of the patient's red blood cells?

  1. A

    The red blood cells are larger than average.

  2. B

    The red blood cells are smaller than average.

  3. C

    The platelet count is below the reference range.

  4. D

    The blood is taking longer to clot.

02
True or false
1 point

PT/INR is commonly used to monitor warfarin, while aPTT may be used to monitor unfractionated heparin.

  1. A

    True

  2. B

    False

03
Choose one
1 point

A patient's WBC count is high, but the patient is stable and has no clear symptoms. What is the most appropriate interpretation?

  1. A

    Assess the patient for infection and consider the overall clinical picture.

  2. B

    Conclude that the patient has an infection based on the WBC count alone.

  3. C

    Ignore the result if the patient has no fever.

  4. D

    Treat the result as proof of a medication reaction.

04
True or false
1 point

A high platelet count by itself confirms that the patient has a blood clot.

  1. A

    True

  2. B

    False

05
Fill in the blank
1 point

For assessing infection risk in a patient with a low WBC, the is more useful than the total WBC alone.

06
Choose all
1 point

A patient has a low platelet count. Which actions are appropriate? Select all that apply.

  1. A

    Check for petechiae or unusual bruising.

  2. B

    Assume that the patient has a clot.

  3. C

    Ask about gum or nose bleeding.

  4. D

    Use bleeding precautions as directed.

  5. E

    Stop any anticoagulant medication without an order.

07
Written response
1 point

What does a low MCV indicate about the average size of a patient's red blood cells?

08
Fill in the blank
1 point

The is commonly used to monitor warfarin therapy.

09
Choose one
1 point

A stable patient has a low Hgb and no current symptoms. What is the best nursing response?

  1. A

    Treat the low Hgb as proof of active bleeding.

  2. B

    Assess for symptoms and compare the result with prior values.

  3. C

    Disregard the result because the patient is stable.

  4. D

    Diagnose a specific cause from the Hgb value alone.

10
Open ended
1 point

A patient with known or suspected severe neutropenia develops a fever but otherwise appears only mildly unwell. What should the nurse do, and why?

11
Choose all
1 point

A patient's INR is below the prescribed warfarin target. Which interpretations or responses are appropriate? Select all that apply.

  1. A

    Compare the INR with the patient's prescribed target.

  2. B

    Recognize that anticoagulation may be inadequate and clot risk may be increased.

  3. C

    Assume that one INR target applies to every patient taking warfarin.

  4. D

    Follow orders and facility protocol rather than independently changing the dose.

12
Choose one
1 point

A patient's Hgb and Hct are above the laboratory reference interval. Which interpretation is most appropriate?

  1. A

    Diagnose increased red-cell production from the result alone.

  2. B

    Conclude that the patient has a clot.

  3. C

    Consider the patient's clinical picture and hydration status.

  4. D

    Treat the value as a universal threshold regardless of the lab's reference interval.

13
Choose one
1 point

A patient has a low Hgb but is stable and has no symptoms. Which response is most appropriate?

  1. A

    Treat the result as proof of acute blood loss and begin an intervention without further assessment.

  2. B

    Assess the patient and compare the result with prior values; arrange appropriate follow-up.

  3. C

    Ignore the result because the patient has no symptoms.

  4. D

    Independently change the patient’s medications based on the result.

14
True or false
1 point

A high WBC count by itself proves that a patient has an infection.

  1. A

    True

  2. B

    False

15
Written response
1 point

Which anticoagulant is PT/INR commonly used to monitor?

16
Choose one
1 point

A patient has a low platelet count. Which nursing response best reflects the potential risk?

  1. A

    Assess only for symptoms of a clot; low platelets are not associated with bleeding.

  2. B

    Wait for a platelet count to normalize before checking for bleeding.

  3. C

    Check for bruising, petechiae, and bleeding, and use bleeding precautions as directed.

  4. D

    Assume the patient has internal bleeding even if there are no symptoms.

17
Choose one
1 point

A patient taking warfarin has an INR below the prescribed target. What is the most appropriate interpretation?

  1. A

    Anticoagulation may be inadequate, so assess and follow up according to orders and protocol.

  2. B

    The result confirms that a clot is present.

  3. C

    The patient should independently stop warfarin.

  4. D

    The result is therapeutic for every patient taking warfarin.

18
Written response
1 point

Severe neutropenia is commonly defined as an ANC below what numeric threshold? Enter the number only; the unit is /µL.

19
Choose one
1 point

A patient with known severe neutropenia develops a fever but otherwise seems well. What should the nurse do?

  1. A

    Wait for additional symptoms because fever alone is not concerning.

  2. B

    Escalate immediately according to local protocol.

  3. C

    Repeat the CBC at the next routine visit before taking action.

  4. D

    Treat the fever as proof that the patient has a clot.

20
Written response
1 point

A patient being monitored for abnormal blood counts suddenly develops a severe headache and new neurologic changes. What immediate nursing action is indicated?