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Free Practice Quiz Question List

3 Capillary Blood Collection Online Quiz Questions

Use this free practice quiz with 20 questions to review 3 Capillary Blood Collection, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

A newborn needs a capillary blood specimen. Is a finger puncture an appropriate site?

  1. A

    True

  2. B

    False

02
Choose one
1 point

An infant requires a capillary specimen. Which site is the appropriate usual choice?

  1. A

    The center of the heel

  2. B

    The back curve of the heel

  3. C

    The medial or lateral plantar surface of the heel

  4. D

    The thumb

03
Written response
1 point

After cleaning a selected capillary puncture site with the approved antiseptic, what must you do before puncturing?

04
True or false
1 point

After a capillary puncture, the first drop should be wiped away before collecting the specimen.

  1. A

    True

  2. B

    False

05
Fill in the blank
1 point

When multiple capillary specimens are required, collect specimens first, followed by chemistry and then blood-bank specimens.

06
Choose all
1 point

Select all sites that should be avoided when choosing a capillary puncture location.

  1. A

    A swollen area

  2. B

    An infected area

  3. C

    A site that was recently punctured

  4. D

    A warm area with intact skin

07
Written response
1 point

Immediately after a capillary puncture, what type of container should receive the used lancet?

08
Fill in the blank
1 point

For a newborn dried-blood-spot screen, allow a large drop to soak into each printed circle in .

09
Choose one
1 point

Before collecting a capillary blood-gas specimen, what should you do about the device and collection container?

  1. A

    Use the container that matches the venipuncture tube color.

  2. B

    Follow the laboratory's current microcollection instructions.

  3. C

    Use any available microcollection container if the blood volume is small.

10
Choose all
1 point

Select all appropriate actions for handling capillary specimens after collection.

  1. A

    Label each specimen at the point of collection according to laboratory policy.

  2. B

    Check that the container is correctly filled and closed.

  3. C

    Leave specimens unlabeled until they reach the laboratory.

  4. D

    Follow the test's transport and storage requirements.

11
Choose one
1 point

A capillary specimen is flowing slowly. Which action best protects specimen quality?

  1. A

    Squeeze forcefully to increase the blood flow.

  2. B

    Scrape the skin to move blood into the device.

  3. C

    Let blood flow freely and avoid forceful squeezing.

  4. D

    Milk the site repeatedly to fill the container faster.

12
True or false
1 point

If an infant's heel is cool, it may be warmed gently when needed, following local procedure.

  1. A

    True

  2. B

    False

13
Choose one
1 point

A test requires more blood than capillary collection can provide. What is the most appropriate next step?

  1. A

    Proceed with capillary collection because difficult venous access makes it appropriate for any test.

  2. B

    Do not use capillary collection for this test; ask whether venipuncture or another suitable method is appropriate.

  3. C

    Collect a capillary specimen anyway because capillary and venous results are always interchangeable.

14
Open ended
1 point

A clinician is considering capillary collection because venous access is difficult. Explain what factors should determine whether capillary collection is suitable and when another collection method should be considered.

15
Choose one
1 point

An adult needs a capillary blood specimen. Which site is generally preferred?

  1. A

    The center of the thumb pad

  2. B

    The fleshy side of the distal pad of the middle finger

  3. C

    The little finger near the nail

  4. D

    The back of the hand

16
Choose one
1 point

A newborn requires a capillary specimen. Which puncture site is usually appropriate?

  1. A

    The center of the heel

  2. B

    The back curve of the heel

  3. C

    The medial or lateral plantar surface of the heel

  4. D

    A newborn's fingertip

17
Choose one
1 point

A collector has cleaned a patient's fingertip with the approved antiseptic. What should the collector do before puncturing?

  1. A

    Wait until the approved antiseptic has dried completely

  2. B

    Puncture immediately, while the site is still wet

  3. C

    Wipe the antiseptic away with a glove

  4. D

    Apply more antiseptic after puncturing

18
Choose one
1 point

A patient needs capillary specimens for hematology, chemistry, and blood-bank testing. Which collection sequence should be followed?

  1. A

    Chemistry, hematology, then blood-bank specimens

  2. B

    Hematology, chemistry, then blood-bank specimens

  3. C

    Blood-bank specimens, chemistry, then hematology

  4. D

    Use the venipuncture tube order

19
Written response
1 point

For a newborn dried-blood-spot screen, how many blood applications should be used to fill each printed circle? Enter the number as a numeral.

20
Written response
1 point

When puncturing an adult's fingertip for capillary collection, what direction should the puncture go in relation to the fingerprint ridges?