Diagnostic Test, Lab Procedures And Electrocardiography

Front 1

In the positioning of the electrodes, if the electrodes are placed too close
together, the amplitude will be _____.

Back 1

small

Front 2

The larges squares on the ECG paper are equal to _____.

Back 2

0.20 sec.

Front 3

A _____wave” will never be seen in a normal EKG.

Back 3

V wave

Front 4

The______ controls the gain or amplitude on the EKG.

Back 4

sensitivity switch

Front 5

When preparing for lead placement you should first care for__________.

Back 5

skin preparation

Front 6

Conversion of a dysrthythmia to a normal rhythm by applying electric shock to the chest is called _________.

Back 6

defibrillation

Front 7

The criteria for skin preparation for lead placement is:

Back 7

• clean the skin with an alcohol wipe
• shave the hair from the skin
• roughen the skin for better dermis contact

Front 8

The electrode site should be

Back 8

clean, smooth, and dry.

Front 9

An ECG tracing measures the______________ for the
voltage to travel throughout the heart

Back 9

amount of voltage and the time it takes

Front 10

In the application of electrodes, secure the electrode by rubbing your finger around the

Back 10

adhesive area

Front 11

When there is no variation of R – R intervals is called

Back 11

absolutely regular

Front 12

Ventricular depolarization produces an electrical force or vector with 2
components:

Back 12

• magnitude or force
• direction or shape

Front 13

A downward or negative wave of an electrocardiogram following the P wave is the

Back 13

Q wave

Front 14

A premature ventricular contraction (PVC) where the QRS have the same
configuration each time they appear is called_____.

Back 14

uniform

Front 15

When applying leads, apply the V1 lead

Back 15

to the fourth intercostals space right
sterna border.

Front 16

Duration of the P wave is not greater than___ sec and height-deflection is
small, not more than___.

Back 16

0.11, 3 mm

Front 17

When PVC’s fall on the T wave, occur in pairs, runs of 3 or more, or are multiform
in nature, these conditions are called________ .

Back 17

life threatening

Front 18

When a vector travels away from the positive electrode, a________deflection
results.

Back 18

negative

Front 19

The combination of sensors or electrodes used for lead #1 is ______ and______.

Back 19

left arm, right arm

Front 20

Considering ECG’s, for irregular rhythms, any method of rate calculation that depends on intervals between complexes is

Back 20

unreliable

Front 21

The_____ represents atrial depolarization

Back 21

P wave

Front 22

While the duration of the ST segment is not generally of clinical significance, it is
an exceedingly important portion of the ECG because of ____________.

Back 22

shifts up or down from
the baseline.

Front 23

A QRS measurement of less than___________indicates a supraventricular
pacemaker.

Back 23

0.12 seconds

Front 24

The area between waves is referred to as

Back 24

intervals

Front 25

A terminal lethal dysrhythmia, a dying heart, is called

Back 25

agonal

Front 26

When the heart rhythm is abnormal, it is referred to as

Back 26

an arrthythmia

Front 27

A rapid, irregular succession of chaotic bizarre waves; wide, irregular oscillations
of the baseline is called

Back 27

ventricular fibrillation

Front 28

The absence of one or more complete cardiac cycles where the rhythm is
interrupted is referred to as

Back 28

sinus arrest

Front 29

A special device called a “regulator” or “flow meter” is necessary when using

Back 29

oxygen.

Front 30

Oxygen is administered to the patient by way of a

Back 30

• catheter, or
• cannula, or
• tent

Front 31

The clean-catch urine specimen is also called

Back 31

• clean-voided specimen, or
• mid-stream specimen

Front 32

A 24-hour specimen should be

Back 32

chilled/refrigerated.

Front 33

The fresh-fractional urine specimen is used to test urine for

Back 33

sugar

Front 34

Another term for acetone in the urine is

Back 34

ketone bodies (ketones).

Front 35

______ measures both sugar and acetone in the urine

Back 35

Keto-diastix

Front 36

To help classify bacteria into two groups; gram–positive and gram-negative is a
special stain called

Back 36

gram stain

Front 37

When preparing a blood smear from a skin puncture you should

Back 37

wipe away the
first drop.

Front 38

When you pull the second slide apart from the first slide, let them

Back 38

air dry.

Front 39

When preparing a blood smear, the spreader slide must be made of

Back 39

glass.

Front 40

When a drop of blood is placed on a slide, place a second slide_____of the first
slide.

Back 40

on top

Front 41

The glucose tolerance test is a

Back 41

timed-test.

Front 42

While ordering procedures may vary, generally a type and RH are ordered on all
pregnant women. This normally is called a _____ screen.

Back 42

prenatal

Front 43

Certain types of cultures, such as deep wound cultures could contain anaerobic pathogens. ________is required for their growth.

Back 43

Absence of oxygen

Front 44

To obtain a specimen for a throat culture the________ must be swabbed

Back 44

nasopharynx and tonsillar area

Front 45

A CLIA waived pregnancy test is based on the detection of ___________.

Back 45

human chorionic gonadotropin.

Front 46

When performing any CLIA waived tests, it is important to

Back 46

perform quality control
testing with every new kit and routinely thereafter.

Front 47

Performing routine maintenance on laboratory equipment is critical. The
maintenance plan should include:

Back 47

• regularly scheduled check-ups
• daily examination of equipment for frayed cords or broken parts
• routine cleaning of the outside of the equipment with a damp cloth

Front 48

When testing for occult blood a__________ is required

Back 48

stool sample

Front 49

When providing a patient instructions on the collection of a sample for occult
blood testing_________________.

Back 49

dietary modifications must occur for 48 hours prior to collection of
the specimen.

Front 50

In the medical office, the most frequently performed pulmonary function test is

Back 50

spirometry