Which of the following are minute blood vessels that convey blood from the arterioles to the venules?

capillaries

Which is an ideal sample for many screening tests that require a very small amount of blood?

capillary blood

Which of the following should you do to calm the fears of a child before you draw their blood?

Explain what you will be doing.

When performing a capillary puncture, the puncture should be made slightly off-center from the fleshy part of the fingertip, ______ to the fingerprints.

perpendicular

When performing a capillary puncture on newborns and infants, what part of the heel pad is used?

lateral side

When the infant reaches around the age of one year or starts to walk, blood should be obtained from his or her finger. In rare instances the _________ has been used to obtain a specimen.

earlobe

Which of the following is a sign of an accidental arterial puncture during the venipuncture procedure?

A rapidly forming hematoma

A person trained to perform venipuncture is known as a:

phlebotomist.

hematology

lavender

gray

glucose and blood alcohol

red/gray

chemistry

green

chemistry

light blue

coagulation studies

gold (sst)

chemistry

red

chemistry

Which of the following gauge needles is generally used for venipuncture?

21 to 23 gauge

Tourniquets are available in many materials; however, disposable ______ free ones are the most popular and economical.

latex

Tourniquets that are worn or permanently visibly soiled (even after disinfecting) should be:

discarded

With patients whose blood is very difficult to draw, what can you use as a tourniquet?

blood pressure cuff

When drawing blood, which method is probably the most popular because it is so convenient?

Vacuum

If a patient faints during venipuncture, which of the following can help revive the patient?

Ammonia inhalant

If a patient alerts you that they may faint while venipuncture is performed, it is best to:

have the patient lying on the examination table

Specimens collected and sent for analysis must be recorded and kept in a:

log book.

The needle and syringe method are often used when very _______ veins are involved because it is less damaging to the tissues than the vacuum method.

small

When processing specimens, which instrument rotates at variable rates of speed to separate components of the blood?

Centrifuge

Red

Third

green

sixth

lavender

seventh

red/gray

fourth

light blue

second

gray

eight

clear discard tube

first

Gold (SST)

fifth

The red blood cells are filled with ______ making their primary function delivering oxygen to the cells and picking up carbon dioxide to be exhaled.

hemoglobin

What is the chief function of the white blood cells?

To protect the body against invaders such as bacteria and viruses

With strict regulations regarding quality control and quality assurance, you are required to keep a log book to record all specimens and the results of the tests performed. The log should include which of the following?

The test performed

Which part of the blood (along with other clotting factors) stops bleeding when an injury occurs?

platelets

What is the normal range of hemoglobin for males?

13 g/dL to 17 g/dL

When a patient’s hemoglobin falls below ________ , the patient can experience shortness of breath and tiredness and have a pale appearance to his or her skin.

10 g/dL

Hematocrits are read by looking down onto the tube against the values chart within the centrifuge. After the tubes have been centrifuged, the readings are performed by placing the sealed end of the tube against the padding or gasket, making certain that the sealed end is at the _____ point of the reader.

zero

A panic value always requires:

immediate intervention by the provider.

Which specimen is used to perform microhematocrit testing?

Capillary or venous blood

Females 12-16

Hemoglobin

males 13.0 to 17.0 grams

Hemoglobin

Males 4,500, 000 - 6, 000, 0000

Red blood Cell Count

Females 36-48%

Hematocrit

Males 42-52%

hematocrit

females 4, 000,000 - 5, 500, 000

Red Blood Cell Count

Which of the following is a hematology test, not used as commonly now as it was in recent years, that screens patients for anemia?

Hematocrit (Hct)

What is the normal hematocrit range for an adult male?

42 - 52%

Which test is performed on many pregnant women to determine whether they have gestational diabetes?

GTT

Which of the following are direct allergy tests? Select all that apply.

A. Patch test B. Scratch test C. Intradermal injection

Which test gives the health care provider an idea of how much inflammation is occurring in a patient's body in response to a disease condition?

Erythrocyte sedimentation rate

Screening for infectious mononucleosis is done through a:

capillary puncture

Which test is performed to determine the cause of contact dermatitis?

Patch test

A life-threatening reaction must be counteracted with an injection of _______ mmediately to prevent anaphylactic shock.

adrenalin

Which suggestion should be made to a patient recently diagnosed with allergies?

check food labels

HDL cholesterol

>45 mg/dl

LDL cholesterol

<1000 mg/dl

Triglycerides

40- 150 mg/dl

Total cholesterol

130-200 mg/dl

BUN

8-20 mg/dl

Uric Acid

3.5-7.5 mg/dl

creatinine

0.7-1.4 mg/dl

potassium

3.5-5.2 mEq/l

sodium

132-145 mEq/l