Unit IV: Cardiovascular Diagnostic Studies/Lab Values Flashcards

1
Q

What three lab values have different value ranges for men and women?

A

RBC, HCT (Hematocrit), Hgb (Hemoglobin)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The physician orders a CBC w/ diff. What values will the laboratory send?

A

RBC, HCT, Hgb, WBC, Neutrophils, Lymphocytes, Monocytes, Eosinophils, Basophils.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the normal range of RBC count for men?

A

5.2-5.8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the normal range of RBC count for women?

A

3.9-5.10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does RBC measure?

A

Number of Red Blood Cells (erythrocytes) per millimeter cubed of blood.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What give blood its red color?

A

HGB- Hemoglobin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the normal range of hemoglobin for men?

A

13.2-17.3 g/dl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the normal range of hemoglobin for women?

A

11.7-15.5 g/dl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does HGB(hemoglobin) need to be produced?

A

Iron and protein.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the lab values of HGB (Hemoglobin) often used to determine?

A

Blood loss, anemia, and O2 carrying capacity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What must be assessed when considering the HCT(Hematocrit) of a patient?

A

Hydration status, patients must be well hydrated.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does HCT(Hematocrit) define?

A

% of RBC in the plasma.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the normal range of HCT for men?

A

38-51%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the normal range of HCT for women?

A

33-45%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What laboratory value assesses the rate at which RBC settle in unclotted blood?

A

ESR (Erythrocyte Sedimentation Rate)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

An increase in ESR is indicative of what?

A

Infection, Inflammation, Tissue Damage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the function of platelets?

A

Promote coagulation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the normal platelet count ranges?

A

150,000-450,000/mm3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does PT (Prothrombin Time) measure?

A

Measures effectiveness of Coumain anti-coagulation therapies.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

A PT(Prothrombin Time) comes back elevated, what does this mean?

A

The blood will take longer to clot.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The PT(Prothrombin Time) comes back at a low level, what does this mean?

A

The blood will take less time to clot, or clot faster.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What does PTT (Partial Thromboplastin Time) help monitor?

A

Monitors Heparin anti-coagulation therapies.

23
Q

A PTT(Parial Thromboplastin Time) comes back elevated. What does this mean?

A

The blood will take longer to clot.

24
Q

The PTT(Partial Thromboplastin Time) comes back low. What does this mean?

A

The blood will take less time to clot, it will clot faster.

25
What does PTT(Partial Thromboplastin Time) measure?
Measures clotting time.
26
What electrolyte is essential for neuromuscular and cardiac function?
Potassium (K)
27
What electrolyte is essential for fluid balance, and regulates acid-base balance?
Sodium (Na)
28
What are the normal Potassium (K) levels?
3.5-5.0 mEq/L
29
What are the normal Sodium (Na) levels?
135-145 mEq/L
30
What electrolyte combines with chloride and bicarbonate ions to regulate acid-base balance?
Sodium (Na)
31
What is the normal Chloride (Cl) level?
97-107 mEq/L
32
What electrolyte is essential for transmission of nerve impulses and contraction of cardiac and skeletal muscles?
Calcium (Ca)
33
What are the normal Calcium (Ca) levels?
8.2-10.2 mg/dL
34
Cholesterol is considered a _______.
Lipid
35
A Cholesterol level of __________ is considered desirable.
<200 mg/dL
36
A Cholesterol level of __________ is considered moderate risk.
200-239 mg/dL
37
A Cholesterol level of __________ is considered high risk.
>240 mg/dL
38
How is cholesterol manufactured?
Manufactured from saturated fats in the diet.
39
What is high cholesterol indicative of?
CAD (Coronary Artery Disease)
40
What are the two types of lipids?
Low Density Lipid (LDL) | High Density Lipid (HDL)
41
LDL is the ____/_____ lipid
lousy/lethal
42
A LDL greater than ______ is a contributing factor to atherosclerosis.
> 100 mg/dL
43
A HDL greater than ______ is considered healthy, and a negative factor for CAD.
> 60 mg/dL
44
A normal serum triglyceride level is:
<150 mg/dL
45
Where do serum triglycerides come from?
Fats and oils come from animal fat and vegetable oils.
46
What do serum triglycerides contribute to?
LDL
47
What lab value is used to determine the presence of infection?
WBC-White Blood Cell Count
48
What is the normal value for WBC?
4,500-11,000/mm3
49
List the types of WBC's in order from most abundant to least abundant.
``` Neutrophils Lymphocytes Monocytes Eosinophils Basophils. ```
50
What is the function of Neutrophils?
1st line of defense, respond to tissue injury and acute bacterial infections.
51
What is the specialty of Lymphocytes?
Increase in viral infections and chronic infections.
52
What is the specialty of Monocytes?
2nd line of defense, responding to bacterial infection.
53
What is the specialty of Eosinophils?
Increase during allergic reactions, or parasitic infections.
54
What is the specialty of Basophils?
Increase during healing process.