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Lab Procedures
Lab Procedures
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Final Review
Flashcards
75 cards
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Practice quiz
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Questions
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Answers
1
Which of the following sites are commonly used for manual capillary puncture?
middle finger
ring finger
heel of the foot on an infant
all of the above
2
Plasma is about _% of the composition of blood/carries cellular elements and other substances.
35
45
55
25
3
________ blood can be found in the capillaries.
capillary
venous
arterial
both arterial and venous
4
Earning a Phlebotomy Certification provides the following benefits EXCEPT ________.
job security
increased job opportunities
prestige
license to analyze blood samples
5
The blood carried in the arteries contains ________.
oxygen
amonia
carbon monoxide
bile
6
________ monitor their blood sugars by the use of a portable machine called a glucometer.
parkinsons disease
diabetics
alzheimer paitents
cancer patients
7
After a lancet is used, it should immediately be placed in ________ to prevent needlesticks.
a biohazard container
trash can
any of above
sharps container
8
Another name for red blood cells is ________.
thrombocytes
erythrocytes
monocytes
lymphocytes
9
The blood carries the waste products to all of the following places for elimination EXCEPT the
skin
kidney
intestines
liver
10
The smaller the gauge number of the venipuncture needle, the ________ the hole within.
flatter
larger
smaller
rounder
11
Red blood cells carry _______ molecules.
plasma
hemoglobin
fibrinogen
heparin
12
The first step in performing manual capillary puncture is to ________.
wipe the site of the puncture with alcohol
perform hand hygiene
assemble the equipment
explain the procedure to the patient
13
A synonym for feeling faint is ________.
cannula
hematoma
syncope
palpate
14
Carboxyhemoglobin carries carbon dioxide from throughout the body to the ________ for removal.
lungs
liver
heart
kidneys
15
The functions of the ________ are transportation and protection.
lung
kidneys
blood
liver
16
General phlebotomy needles are ________gauge.
12-15
25-30
20-21
22-25
17
When the physician orders a blood test, the role of the MA is to _the specimen.
analyze
collect
inspect
disect
18
Which of the following would NOTbe included in a lipid panel test?
cholesterol
triglycerides
high density lipid
SGPT
19
The median cubital vein is located in the ________ space.
antecubital
precubital
postcubital
cubital
20
The ________ of venipuncture is the most common.
syringe and needle
vacuum
butterfly
capillary
21
________ is the destruction of red blood cells with the release of hemoglobin into the plasma.
hematology
hemolysis
hematocrit
hematoma
22
Eosinophils have granules that produce ________ color on laboratory-stained slides.
red
orange
purple
pink
23
pt doesn't speak English you get a translator to explain the blood draw, why must you get perm?
can explain the procedurespeaking slowly and showing example
the pt confidential medical information may be disclosed.
you cannot verify that the translation is accurate
the patient may not want an explanation at all
24
Reticulocytes generally mature within ________.
one month
36 hours
one week
48 hours
25
When drawing blood by the vacutainer method which tube is first?
yellow
lavender
blue
red
26
A patient being well-________ is helpful for finding veins.
nourished
hydrated
none of the above
rested
27
A tourniquet should not be left in place for more than ________.
60 sec
30 sec
45 sec
90 sec
28
The heart pumps blood through the body by way of all of the following EXCEPT ________.
capillaries
veins
colon
arteries
29
Red blood cells are formed in the ________.
stomach
bone marrow
liver
heart
30
Which of the following are granular leukocytes?
Neutrophils
Basophils
all of above
Eosinophils
31
It is ________ in most states for a medical assistant to perform a venipuncture.
illegal
against OSHA guidelines
legal
recommended by FDA guidelines
32
Arteries ________ because of the high pumping pressure they receive from the heart.
stiffen
pulsate
make a hissing sound
expand
33
The tip of the venipuncture needle is ________.
round
beveled
pointed
flat
34
An increase in monocytes is seen in patients who have certain diseases, such as ________.
Rocky mountain spotted fever
all of above
typhoid
TB
35
If a patient is allergic to latex, a ________ tourniquet can be used.
paper
cotton
rubber
spandex
36
A phlebotomist can practice in which of the following settings?
outside lab
blood bank
medical office
all of the above
37
The smaller arteries are called ________.
arterioles
arteriettes
mini arteries
capillaries
38
Red blood cells typically last about ________.
2 months
4 weeks
2 weeks
4 months
39
Before inserting the needle, the medical assistant should do all of the following EXCEPT _____.
clean the puncture site with an alcohol wipe
have the patient sit upright for two minutes
ask the patient about allergies and possible complications
make sure the patient understands the procedure
40
The intake of oxygen and removal of carbon dioxide take place in the ________.
liver
lungs
heart
kidneys
41
Oxygen and carbon dioxide are transferred to and from body cells at the ________ level?
capillary
arteriole
vein
artery
42
When the body is cold;capillaries _, allowing less blood flow, which increases the body temp.
disinigrate
dilate
constrict
explode
43
________ percent of plasma is water.
70
90
80
60
44
Failure to obtain blood because the needle was not inserted deeply enough can be remedied by _.
phishing around for vein until puncture correctly
withdrawing the needle and trying again with a butterfly
withdrawing the needle and reinserting it
advancing the needle slightly forward
45
Which blood vessels have valves?
capillaries
veins
arteries
all of the above
46
Lymphocytes, one of the types of ________ blood cells, are produced in the lymph nodes.
white
green
red
blue
47
Diabetic patients who have not eaten in too long are at risk for ________.
a spike in the glucose level of the blood
insulin shock
dehydration
all of above
48
The last step in performing manual capillary puncture is to ________.
perform hand hygiene
record the procedure in the patient’s medical record
remove the gloves
apply a bandage over clean gauze at the puncture site
49
An individual’s ESR may be elevated for which of the following reasons?
menstration
malignant tumors
all of above
pregnancy
50
Patients are required to fast for _ hours for a GTT, cholesterol, or lipid level test.
14-16
10-12
12-14
8-10
51
The biconcave disk shape of healthy red blood cells provides increased surface area for _____.
exposure to iron molecules
gas exchange
contact with platelets
contact with plasma
52
Blood is formed with ________ components.
neither a or b
both a and b
liquid
cellular
53
A molecule of hemoglobin contains four atoms of ________.
sodium
potassium
vitamin C
iron
54
A ________-colored top is typically used for serum chemistry testing.
yellow
red
light blue
marble/tiger top
55
Which of the following is NOT one of the five types of white blood cells?
triocyte
neutrophil
monocyte
lymphocyte
56
Which of the following is NOT one of the three methods of venipuncture?
butterfly
vacuum
syringe & needle
caterpillar
57
Capillary puncture is used for blood tests for all of the following EXCEPT ________.
cholesterol
plasma
hematocrit
glucose
58
One drawback to performing the butterfly method is the ________.
availability
cost
pain
mortality rate
59
Venous blood is ________ than arterial blood.
heavier
lighter in weight
darker
lighter in color
60
Heparin may be used to assist in ________ the occurrence of clotting.
diminishing
both a and b
preventing
neither a or b
61
Which of the following is NOT a way to make a vein stand out?
Having the patient gently squeeze a rubber ball
Applying a warm cloth over the site
Applying a cold compress
Having the patient drink lots of fluids before the procedure
62
Erythropoietin is secreted by the ________ in adults.
liver
lymph nodes
kidneys
gallbladder
63
Fibrinogens are ________ involved in clotting.
vitamins
oxides
minerals
proteins
64
It is important to maintain the correct order of draw to ________.
maintain the drawn blood at the correct temperature
ensure the correct amount of blood is drawn
to prevent contamination with chemicals from another tube
ensure that the tube is label with the name the correct pt
65
Needles used for blood draws are ________.
reusable
hollow
made of copper
rounded at the tip
66
The preferred finger for capillary puncture is the ________ of the nondominant hand.
pinky
ring/middle finger
index
thumb
67
A patient cannot be forced to undergo a blood draw procedure unless there is _________.
state law allow the facility auth. to undergo the procedure
sign court order that specific overrides the right to refuse
document evidence that the MA explained the need for proc.
signed statement from the Dr. that the procedure is necesary
68
A range of ________ mg/dL would be considered normal lab values for total cholesterol.
60-130
130-200
none of above
200-270
69
The initials POC stand for ________.
phlebotomist on call
positioning of client
point of care
patient's overall condition
70
Vacuum blood tubes come in all of the following sizes EXCEPT ________ mL.
7
20
15
10
71
Polycythemia is a condition in which the blood has an abnormally _____________.
low levels of platelets
high level of red blood cells
high level of white blood cells
low level of white blood cells
72
The walls of veins are ________ than the walls of arteries.
lighter in color
thinner
thicker
heavier
73
Which of the following is a method of venipuncture?
vacuum
butterfly
all of above
syringe and needle
74
Monocytes are the largest(WBC)have a distinct kidney nucleus. The cytoplasm stains a grayish _.
blue
red
white
green
75
There are ________ platelets per cubic millimeter of the blood.
20, 000-30,000
200 to 300
200, 000-300, 000
2000 to 3000