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