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NCCT > Medical Procedures - D > Flashcards

Medical Procedures - D Flashcards

1
Q

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

A

small

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2
Q

The large squared on the ECG paper are equal to ______.

A

0.20 sec

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3
Q

A “V wave” all ______ be seen in a normal EKG.

A

never

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4
Q

The _______ switch controls the gain or amplitude on the EKG.

A

sensitivity

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5
Q

When preparing for lead placement you should first care for ______.

A

skin preparation

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6
Q

Conversion of a dysrhythmia to a normal rhythm by applying electric shock to the chest is called ________.

A

defibrillation

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7
Q

Which of the following is not a criteria for skin preparation for lead placement?

A

make sure the skin is damp when applying the electrode

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8
Q

The electrode site should be _______.

A

clean, smooth, and dry

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9
Q

The ECG tracing measures the amount of voltage and the ______ it takes for the voltage to travel throughout the heart.

A

time

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10
Q

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

A

adhesive

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11
Q

When there is no variation of R-R intervals it is called _____.

A

absolutely regular

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12
Q

Ventricular depolarization produces an electrical force or vector with 2 components: (1) magnitude or force, and (2)

A

direction or shape

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13
Q

A downward or negative wave of electrocardiogram following the P wave is the ________.

A

Q wave

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14
Q

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

A

uniform

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15
Q

When applying leads, apply the V1 lead ______.

A

the fourth intercostal space right sternal border

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16
Q

Which fact is true about the P wave?

A

duration of the P wave is not greater than 0.11 sec; height-deflection is small, not more than 3mm

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17
Q

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 ________.

A

life threatening

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18
Q

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

A

negative

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19
Q

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

A

left arm, right arm

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20
Q

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

A

unreliable

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21
Q

The ________ wave represents atrial depolarization.

A

P

22
Q

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

A

shifts up or down from the baseline

23
Q

A QRS measurement of less than _______ seconds indicates a supra ventricular pacemaker.

A

0.12

24
Q

The are between waves is referred to as _________.

A

intervals

25
Q

A terminal lethal dysrhythmia, a dying heart, is called _______.

A

agonal

26
Q

When the heart rhythm is abnormal it is referred to as ________.

A

an arrhythmia

27
Q

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

A

fibrillation

28
Q

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

A

sinus arrest

29
Q

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

A

oxygen

30
Q

Oxygen is administered to the patient by way of a _______.

A

catheter; cannula; tent - all of the above

31
Q

The clean-catch urine specimen is also called _______.

A

clean-voided specimen; 24-hr urine specimen

32
Q

A 24-hr urine specimen should be _______.

A

chilled/refrigerated

33
Q

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

A

sugar

34
Q

Another term for acetone in the urine is _______.

A

ketone bodies (ketones)

35
Q

Which test measures both sugar and acetone in the urine?

A

keto-diastix

36
Q

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

A

gram stain

37
Q

When preparing a blood smear from a skin puncture you should ______ the first drop.

A

wipe away

38
Q

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

A

air dry

39
Q

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

A

glass

40
Q

Which of these is crucial in making a blood sear for a differential blood count?

A

edges should be feathered

41
Q

The glucose tolerance test is a ________ -test.

A

timed

42
Q

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

A

blood

43
Q

Certain types of cultures, such as deep wound cultures could contain anaerobic pathogens. Which of the following conditions is required for their growth?

A

Absence of oxygen

44
Q

To obtain a specimen for a throat culture the _______ must be swabbed.

A

nasopharynx and tonsillar area

45
Q

A CLIA waived pregnancy test is based on the detection of which one of the following?

A

human chorionic gonadotropin

46
Q

When performing any CLIA waived test it is important do to which of the following?

A

perform quality control testing with every new kit and routinely thereafter

47
Q

Performing routine maintenance on laboratory equipment is critical. The maintenance plan should include which one of the following?

A

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

48
Q

when testing for occult blood which of the following specimens would be required?

A

stool sample

49
Q

When providing a patient instructions on the collection of a sample for occult blood testing, which of the following statements is correct?

A

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

50
Q

In the medical office the most frequently performed pulmonary function test is _______.

A

spirometry

NCCT (10 decks)

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