Which of the following are included in steps for collection of a blood specimen?

Identify the patient correctly.

Which method of drawing blood would you use on a patient with small or fragile veins?

winged infusion collection system

Which of the following would you include when performing venipuncture using an evacuation system?

Penetrate the vein wall to a depth of 1/4 to 1/2 inch.

The description of whole blood is ________.

the total volume of plasma and formed elements

A patient tells you that when "they" drew her blood last year, it left a huge, ugly bruise that took weeks to go away.

"Some bruising is possible, I will do everything possible to minimize it."

You discover that the patient is afraid of needles. Which of the following suggestions might you make to help the pt.

"See the magazine rack on the wall? Focus on that while I draw the blood."

Which of the following is characteristic of capillary puncture?

The patient's non-dominant hand is used for this procedure.

Which of the following is part of the preparation for a glucose tolerance test?

Instruct the patient to eat a high-carb diet for 3 days before procedure.

Why do they need this much blood? I must have a terrible disease!" Which of the following is your best response?

"Blood tests are one way to get an overall picture of your your health"

In addition to using appropriate engineered safety devices, NIOSH recommends that health-care workers ________.

use needles only if no safe alternatives are available

The medical term hemophilia is ________.

disorder in which the blood does not coagulate at a wound or puncture site

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Week 2 Quiz Lab skills

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Questions 36

Answers

1
Which of the following are included in steps for collection of a blood specimen?
Use the same tubes for chemistry and hematology tests.
Identify the patient correctly.
Ask the patient what test he needs.
Tell the patient the process will not be painful.
2
Which method of drawing blood would you use on a patient with small or fragile veins?
evacuation system
All of these
automatic puncturing device
capillary puncture
winged infusion collection system
blood culture system
3
The hemoglobin A1c test reflects blood glucose levels over what period of time.
none of these
2 weeks
3 months
1 month
1 year
6 months
4
Which of the following would you include when performing venipuncture using an evacuation system?
Leave the tourniquet on for 3 minutes
Bunch up the patient's skin above and below the insertion site
Penetrate the vein wall to a depth of 1/4 to 1/2 inch.
Leave the tourniquet on until after you withdraw the needle from the vein.
Insert the needle at a 45º angle with the bevel side down.
Be careful not to invert collection tubes that have additives in them.
5
The erythrocyte sedimentation rate (ESR) blood test screens for which of the following?
leukocytes
inflammatory process
low blood sugars
potential bleeding problems
anemia
Rh factor
6
Which color stopper is used for a collection tube that contains a clot activator?
gray
green
lavender
none of these
red
yellow
7
The normal blood calcium level is ________.
136 to 145 mEq/L
27 to 29 mEq/L136 to 145 mEq/L
8.6 to 10.0 mEq/L
98 to 108 mEq/L
3.5 to 5.1 mEq/L
None of these
8
After how many unsuccessful attempts at obtaining a blood sample do you seek assistance from your supervisor/coworker.
2
5
3
4
all of these
1
9
Which of the following refers to the rupturing of red blood cells?
coagulation
venipuncture
hemolysis
phlebotomy
capillary puncture
hematoma
10
When drawing blood from an infant, what is best site to use to prevent injury to the infant?
the median cubital vein
the veins in the antecubital fossa
the cephalic vein
the heel
11
Which of the following tests requires the use of a blood collection tube with a gray stopper?
viral studies
blood glucose tests
blood cultures
arterial blood gases
Bacterial
coagulation studies
12
Withdrawing blood from a vein is called ________.
coagulation
phlebotomy
serology
morphology
13
The description of whole blood is ________.
the buffy coat in centrifuged blood
the main component of erythrocytes
the rupturing of red blood cells
the total volume of plasma and formed elements
14
A patient tells you that when "they" drew her blood last year, it left a huge, ugly bruise that took weeks to go away.
"If you get a bruise, you can wear long-sleeve shirts for a few weeks."
None of the above
"Bruising is just one of the side effects of having your blood drawn."
"Don't worry, I promise I will not cause a bruise on your arm."
"Some bruising is possible, I will do everything possible to minimize it."
"They probably didn't draw the blood correctly last time."
15
Which of the following is the liquid or fluid portion of the blood?
plasma
red blood cells
hemoglobin
white blood cells
platelets
eosinophils
16
The normal sodium blood level is ________.
3.5 to 5.1 mEq/L
136 to 145 mEq/L
21 to 28 mEq/L8.6 to 10.0 mEq/L
9.8 to 150 mEq/L
8.6 to 10.0 mEq/L
98 to 108 mEq/L
17
Which of the following is the most common antiseptic used to cleanse the skin before drawing blood?
Iodine
soap and water
Hibiclens
alcohol
10% bleach
hydrogen peroxide
18
A blood test that measures creatine kinase (CK) can identify ________.
gout
heart disease
leukemia
sickle cell anemia
Hepatitis B
diabetes mellitus
19
Enzyme-linked immunosorbent assay (ELISA) and Western blot tests are used to confirm which of the following diagnoses?
coronary artery disease
diabetes mellitus
None of these
HIV infection
anemia
gout
20
Which tests require the use of a collection tube with a green stopper?
electrolyte studies
none of these
blood glucose tests
blood cultures
coagulation studies
hematology studies
21
Which of the following is the preferred site for venipuncture?
radial and ulnar veins
median cubital vein
popliteal and posterior tibial veins
jugular
femoral and inguinal veins
great saphenous and superior vena cava veins
22
You discover that the patient is afraid of needles. Which of the following suggestions might you make to help the pt.
"This will be painful, but I know you are brave enough to get through it."
All of these
"See the magazine rack on the wall? Focus on that while I draw the blood."
"If you do not let me draw your blood, the company won't hire you."
"Tense the muscles in your arm so it won't hurt as much."
"Take rapid, shallow breaths while I insert the needle in your arm."
23
Which of the following is characteristic of capillary puncture?
The blood is collected using a sterile needle and syringe.
It releases a greater amount of blood, compared to venipuncture.
The patient's non-dominant hand is used for this procedure.
The blood is collected into evacuated collection tubes.
24
Which of the following is part of the preparation for a glucose tolerance test?
All of these
Instruct the patient to eat a high-carb diet for 3 days before procedure.
Tell the patient NPO after the initial blood and urine samples are taken
Offer patient a high-carbohydrate snack immediately before drawing blood
Direct the patient to use a laxative before to cleanse the digestive system
Explain to the patient , only one blood and one urine sample will be taken
25
Which of the following refers to the study of the shape or form of objects?
phagocytosis
coagulation
differential
phlebotomy
hematology
morphology
26
Which identifies how much of the volume of a sample is made up of red blood cells after the sample has been centrifuged?
hemoglobin determination
hematocrit determination
platelet count
differential white blood cell count
27
A blood urea nitrogen (BUN) test is used to identify ________
specific cancers
peptic ulcers
kidney disorders
anemia
None of these
diabetes mellitus
28
Blood chemistries and HIV/AIDS antibody tests must be performed with a collection tube with what color stopper?
red
blue
green
Any of these
gray
red/black
29
Normal prothrombin time (PT) is ________.
8 to 10 minutes
2 to 7 minutes
30 to 60 seconds
1 to 3 minutes
11 to 15 seconds
30 to 45 minutes
30
Why do they need this much blood? I must have a terrible disease!" Which of the following is your best response?
"We don't really need this much blood we always draw a couple of extra ."
"If you have a terrible disease, wouldn't you rather know about it?"
All of these
"Don't worry; I'm sure everything will be fine."
"At your age, there are many different tests that we have to run."
"Blood tests are one way to get an overall picture of your your health"
31
In tests for which the use of alcohol may result in inaccurate test results,__________ may be used to prepare the skin.
sodium chloride
povidone-iodine
Hibiclens
None of these
hydrogen peroxide
soap and water
32
In addition to using appropriate engineered safety devices, NIOSH recommends that health-care workers ________.
recap needles before transporting them to the sharps container
use needles only if no safe alternatives are available
throw sharps into the wastebasket
attend bloodborne pathogen training every three years
None of these
avoid using needles with hinged shields
33
An erythrocyte (RBC) count is used to identify ________.
leukemia
anemia
viral hepatitis
all of these
an infection
fluid and electrolyte imbalance
34
Blood tests for potassium and sodium identify ________.
hyperparathyroidism
anemia
prostatic cancer
atherosclerosis
fluid-electrolyte imbalances
diabetes mellitus
35
Which blood collection device uses interchangeable tubes that are calibrated to collect the exact amount of blood?
blood culture system
needle and syringe system
butterfly system
evacuation system
capillary puncture
All of these
36
The medical term hemophilia is ________.
the rupturing of RBC's, which releases Hgb that can cause kidney failure
the study of blood
insertion of a needle into a vein for the purpose of withdrawing blood
disorder in which the blood does not coagulate at a wound or puncture site

Week 2 Quiz Lab skills Flashcards | StudBud