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NPTE > Labs > Flashcards

Labs Flashcards

Values and descriptions

1
Q

CBC

A

RBC count, WBC count, WBC differential (% of each type), hemoglobin, and hematocrit

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2
Q

Normal hemoglobin

A

12-17

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3
Q

Low hemoglobin indicates:

A

anemia or blood loss

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4
Q

High hemoglobin indicates:

A

polycythemia or dehydration

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5
Q

Risky hemoglobin levels

A

8-11

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6
Q

Critical hemoglobin

A

<7

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7
Q

What is hematocrit?

A

percentage of RBC in total blood volume

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8
Q

Normal hematocrit?

A

35-47%

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9
Q

Low hematocrit indicates:

A

anemia or blood loss or vitamin/mineral deficiences

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10
Q

High hematocrit indicates:

A

polycythemia or dehydration

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11
Q

Normal platelets

A

165,000-415,000

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12
Q

What is thrombocytopenia and what does it indicate?

A

Low platelets
Increased risk for bruising and abnormal bleeding

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13
Q

What is thrombocythemia and what does it indicate?

A

High platelets
Increased risk for thrombosis- may result in a stroke or heart attacks

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14
Q

Normal RBC count

A

4-6 million (4-6 x 10^6/ml)

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15
Q

Low RBC count indicates:

A

anemia and results in fatigue and weakness

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16
Q

High RBC indicates:

A

increased risk for stroke or heart attacks

17
Q

Normal WBC count

A

3,500-9,000

18
Q

What is leukopenia and what does it indicates?

A

Low WBC
Increased risk for infection

19
Q

What is leukocytosis and what does it indicate?

A

High WBC
Presence of infection or leukemia

20
Q

Normal pH

A

7.35-7.45

21
Q

Normal PaCo2 (at sea level)

A

35-45 mmHg

22
Q

Normal PaO2 (at sea level)

A

80-100 mmHg

23
Q

Normal HCO3 (bicarbonate)

A

22-26 mEq/L

24
Q

Normal SpO2

A

95-98%

25
Q

What is hypoxia?

A

low level of O2 in the tissue despite adequate perfusion of tissue

26
Q

Normal Partial Thromboplastin Time (PTT)

A

26.3 - 39.4 sec

27
Q

Desirable, borderline, and high total cholesterol

A

<200
200-239
>240

28
Q

Optimal, Borderline, high, and very high LDL cholesterol

A

<100
130-159
160-189
>190

29
Q

Low and high HDL

A

<40
>60

30
Q

Desirable, high, and very high triglyercide

A

<150
200-499
>500

31
Q

What do partial thromboplastin (PTT) and prothrombin time (PT) measure? Which is more sensitive?

A

how quickly the blood clots
commonly used to monitor anticoag therapy

PTT

32
Q

What is HCO3-?

A

Bicarbonate
component of chemical buffering system that keeps the blood from becoming too acidic or basic

33
Q

PaCO2 <30 mmHg =

A

alveolar hyperventilation

34
Q

PaCO2 >50 mmHg =

A

alveolar hypoventilation, ventilatory failure

35
Q

PaCO2 >45 + pH <7.4 =

A

respiratory acidosis

36
Q

PaCO2 >45 and pH >7.4 =

A

retention of CO2 to compensate for metabolic acidosis

37
Q

PaCO2 <35 + pH >7.4 =

A

respiratory alkalosis

38
Q

PaCO2 <35 and pH <7.4 =

A

elimination of CO2 to compensate for metabolic acidosis

NPTE (6 decks)

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