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Medical Assistant > Medical Procedures C > Flashcards

Medical Procedures C Flashcards

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USMLE® Step 1 flashcards
1
Q

The blood lancet is used for the collection of blood specimens by ______________
A. injection
B. suction
C. cutting
D. skin puncture

A

D. skin puncture

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2
Q

The standard point of the lancet to be used when collecting blood from a newborn heel is ____________ in length.
A. 24mm
B. 3.6mm
C. 4.7mm
D. 5.5mm

A

A. 24mm

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3
Q

The most important step in the performance of a venipuncture is ____________.
A. selecting the correct needle guage
B. selecting the appropriate cleansing agent
C. positively identifying the patient
D. selecting the appropriate tourniquet

A

C. positively identifying the patient.

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4
Q

When cleansing the venipuncture site, it is good practice to ___________
A. wipe the site back and forth quickly with an alcohol prep
B. blow on the alchol to dry it so it doesnt burn
C. cleanse the site from the inside out and allow it to air dry
D. have the patient wave the arm in the air to air dry it faster

A

C. cleanse the site from the inside out and allow it to air dry.

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5
Q

To determine the size of the needle remember that the higher the gauge number the _____________ needle.
A. longer
B. smaller
C. larger
D. shorter

A

B. smaller

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6
Q

An instrument called a centrifuge _______________.
A. freezes specimens
B. heats specimens
C. is used for incubation
D. seperates the cellular and liquid portion of the blood

A

D. separates the cellular and liquid portion of the blood.

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7
Q

Rubber sleeves on an evacuated tube system make it possible for ____________.
A. sterilization
B. slower draw of blood
C. multiple use
D. faster draw of blood

A

C. multiple use.

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8
Q

Preparing for a glucose intolerance test ______________ hours before or during the test, the patient should not eat, smoke, drink coffee or alcohol.
A. one
B. ten
C. one half
D. two

A

B. ten.

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9
Q

In the evacuated blood collection system the evacuated glass tubes come in different sizes, and the stoppers are ____________ to denote the type of additive or lack of one.
A. striped
B. serrated
C. stamped
D. color coded

A

D. color coded

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10
Q

During a venipuncture, to secure the needle during insertion into the tube stopper, you need a _____________.
A. holder
B. sleeve
C. tape
D. ball of cotton

A

A. holder

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11
Q

Which needle gauges are most commonly used for venipuncture ____________
A. 24-25
B.21-22
C.19-20
D.16-18

A

B. 21-22

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12
Q

When performing a venipuncture, if you have the patient _________ the veins will become more prominent.
A. cough
B. hold their breath
C. make a fist
D. take a deep breath

A

C. make a fist.

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13
Q

Which of the following is false?
A.veins feel like elsatic tubes
B. veins pulsate
C. veins give under pressure
D. veins go in different directions

A

B. veins pulsate

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14
Q

Use your index finger when you ________ for a vein.
A. stick
B. scratch
C. palpate
D. inject

A

C. palpate

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15
Q

Arterioles are the smallest type of ___________.
A. tendons
B. arteries
C. bones
D. veins

A

B. arteries

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16
Q

The maximum time a tourniquet should be tied on the upper arm while drawing blood is _______________
A. 4 minutes
B. 3 minutes
C. 2 minutes
D. 1 minute

A

D. 1 minute

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17
Q

To cleanse the typical venipuncture site, begin at the intended site of the draw and ____________.
A. work in a circle to the periphery
B. wipe carefully back and forth
C. cleanse vigorously for 30 seconds
D. use a lifting

A

A. work in a circle to the periphery

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18
Q

The venipuncture site should be cleansed with _________
A. a damp solution
B. a paper towel
C. the back of your hand
D. an alcohol prep

A

D. an alcohol prep

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19
Q

When using a centrifuge, make sure equal weights are ____________.
A. side by side
B. liquid
C. opposite each other
D. one space apart

A

C. opposite of each other

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20
Q

The lid to the centrifuge should be kept ___________ when is use.
A. closed
B. open
C. ajar
D. lifted

A

A. closed

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21
Q

When using an evacuated tube for collection of electrolytes use a ___________.
A. blue-top tube
B. red-top tube
C. black-top tube
D. lavender-top tube

A

B. red-top tube

22
Q

When collecting blood for a hematocrit test use a ___________.
A. lavender-top tube
B. red-top tube
C. blue-top tube
D. yellow-top tube

A

A. lavender-top tube

23
Q

When collecting blood for cholesterol tests use a ____________ top evacuated tube.
A. red
B. yellow
C. blue
D. lavender

A

A. RED

24
Q

The primary anticoagulant additive EDTA removes calcium by forming insoluble or un-ionized calcium salts. It has an advantage of preventing platelet clumping and the formation of artifacts, therefor, good for the preparation of ___________.
A. background staining
B, red cell preservation
C. clotting
D. blood films

A

D. blood films.

25
Q

Sodium citrate is an anticoagulant of choice for coagulation studies because it protects certain of the ________.
A. pro-coagulants
B. red blood cells
C. white blood cells
D. enzyme inhibitors

A

A. pro-coagulants

26
Q

When performing a venipuncture, the tourniquet should be wrapped around the arm about three to four inches from where you are going to ___________ for a vein.
A. apply soap
B. scrape
C. tap
D. feel

A

D. feel

27
Q

The tube to collect whole blood with an additive in it has a _____________ stopper.
A. green
B. lavender
C. red
D. blue

A

B. lavender

28
Q

The color coding for a stopper of a tube with no additives is (for collection of serum) _____________.
A. green
B. black
C. red
D. blue

A

C. red

29
Q

At the location where you are going to feel for a vein, wrap the tourniquet around the arm approximately ______________ above the area.
A. nine to ten inches
B. one foot
C. three to four inches
D. one inch

A

C. three to four inches.

30
Q

The cephalic, medical cubital, and basilic veins are __________ used for venipuncture.
A. seldom
B. never
C. dangerous when
D. primarily

A

D. primarily

31
Q

When doing a venipuncture the syringe or tube should be _________ the venipuncture site to prevent back-flow.
A. above
B. below
C. moved from side to side
D. moved in and out

A

B. below

32
Q

When anticoagulant blood is centrifuged ________ goes to the top of the tube.
A. white blood cells
B. red blood cells
C. plasma
D. water

A

C. plasma

33
Q

When anticoagulated blood is centrifuged ________ goes to the bottom of the tube.
A. red blood cells
B. white blood cells
C. plasma
D. water

A

A. red blood cells

34
Q

When collecting blood by skin puncture on an infant, you should use a _____________.
A. 25 ga needle
B. lancet
C. scalpel
D. 23 ga needle

A

B. lancet

35
Q

The tube used to collect a blood sample for a Complete Blood Count (CBC) is ____________.
A. red-top tube, no additive
B. blue top, sodium citrate additive
C. lavender top, ethylenefiaminetertraacetic acid additive
D. green top, lithium heparin additive

A

C. lavender top, ethylenediaminetetraacetic acid additive.

36
Q

Which of these lab tests monitor anticoagulant therapy _______________
A. PT and PTT
B. T3 and T4
C. Hb and Hct
D. ABO and Rh

A

A. PT and PTT

37
Q

Which one of the following evacuated tubes would be drawn first____________
A. red
B. lavender
C. gray
D. green

A

A. red

38
Q

Making sure the tube is correctly labeled with the patients complete name and identification number is part of the facilities ____________plan.
A. exposure control
B. incident report
C. quality control
D. all choices

A

C. quality control

39
Q

When performing a venipuncture if no blood flows into the tube how would you correct this situation ____________
A. gently insert the needle a little deeper
B. gently pull the needle out just a little
C. remove the needle and tourniquet and prepare another site
D. all choices could be correct

A

D. all choices could be correct
gently insert the needle a little deeper
gently pull the needle out just a little
remove the needle and tourniquet and prepare another site.

40
Q

If during a venipuncture a patient has a syncopal episode what would be your best course of action _____________
A. continue the draw, you need the specimen
B. remove the needle and tourniquet and lower the patients head and arms
C. begin CPR and activate 911
D. restrain the patient to keep the patient from causing bodily injury

A

B. Remove the needle and tourniquet and lower the patients head and arms.

41
Q

The most appropriate site for performing a capillary puncture in a healthy adult is the ____________.
A. great toe
B. earlobes
C. fingers
D. forearms

A

C. fingers

42
Q

It is very important when performing a capillary stick to do which one of the following _______________
A. wipe away the first drop of blood
B. to forcefully make the puncture
C. not use alcohol to clean the site
D. it is very important to do all of the above

A

A. Wipe away the first drop of blood.

43
Q

Performing a _____________ as part of a complete blood count determines the ratio of the volume packed red blood cells to that of whole blood.
A. differential
B. hematocrit
C. hemoglobin
D. glucose

A

B. hematocrit

44
Q

___________values are increased in infections and inflammatory disease.
A. glucose
B. hematocrit
C. erythrocyte sedimentation rates
D. coagulation studies

A

C. Erythrocyte sedimentation rates

45
Q

What type of blood sample will be needed to perform a hemoglobin test ____________
A. EDTA added
B. serum only
C. white blood cells
D. no correct answer

A

A. EDTA added

46
Q

How many hematocrit tubes should be collected from the patient?
A. 1
B. 2
C. 3
D. 5

A

B. 2

47
Q

What type of blood sample is needed when performing a PKU?
A. venipuncture
B. capillary
C. either one is acceptable
D. no correct answer

A

B. Capillary

48
Q

A ____________ is small, sterile, needle like piece of metal used to make small punctures in the dermis?
A. scarificator
B. fleam
C. lancet
D. cup

A

C. lancet

49
Q

In drug testing the ____________ regulates describe how evidence is to be collected and handled.
A. chain of command
B. chain of custody
C. person in charge
D. local law enforcement

A

B. chain of custody

50
Q

A (n) ____________ requires the patient to be fasting and then blood is taken every hour for a predetermined time.
A. cholesterol test
B. white blood cell count
C. differential
D. glucose tolerance test

A

D. glucose tolerance test.

Medical Assistant (14 decks)

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