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Phlebotomy > Chapter 7 > Flashcards

Chapter 7 Flashcards

1
Q

Systole

A

Contraction of the heart

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2
Q

Diastole

A

Relaxation of the heart

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3
Q

The atrioventricular valves function to prevent

A

Backward blood flow through heart

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4
Q

A differential count refers to

A

Specific types of WBCs

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5
Q

The hepatic artery delivers blood to the

A

Liver

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6
Q

Arteries that provide blood to the heart

A

Coronary

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7
Q

Veins most commonly used for venipuncture

A

Median cubital

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8
Q

Hemoglobin content is assessed in the laboratory by analyzing

A

Erythrocytes

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9
Q

When blood exits the right ventricle, it travels to the

A

Pulmonary circuit

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10
Q

How fast does the average adult heart beat

A

60-80 times per minute

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11
Q

Another name for leukocytes

A

White blood cells

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12
Q

Another name for erythrocytes

A

Red blood cells

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13
Q

Another name for thrombocytes

A

Platelets

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14
Q

What is true of a serum specimen

A

Does not contain an anticoagulant additive

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15
Q

Leukemia is a condition in which

A

WBCs are overproduced and do not function properly

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16
Q

Hemophilia is an inherited condition in which

A

Clotting factors do not work properly

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17
Q

Iatrogenic anemia is a condition in which

A

The anemia is due to excessive venipunctures

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18
Q

An aneurysm is a condition in which

A

There is a weakened area of the blood vessel wall

19
Q

Thrombocytopenia is a condition in which there is a

A

Low platelet count

20
Q

Polycythemia is a condition in which there is a

A

High RBC count

21
Q

Leukocytosis is a condition in which there is a

A

High WBC count

22
Q

A high cholesterol level is associated with this condition

A

Atherosclerosis

23
Q

Abnormal glucose levels are associated with this condition

A

Diabetes

24
Q

Low electrolytes (sodium, potassium) are associated with this condition

A

Dehydration or diarrhea

25
Q

Increased creatinine levels are associated with this conditions

A

Nephritis

26
Q

Blood flows to the lower body from the heart through the descending aorta.

A

True

27
Q

The right and left brachiocephalic veins feed the legs.

A

False

28
Q

Veins and arteries have valves throughout the body

A

False

29
Q

Arterial blood flow is from the heart to the fingertips.

A

True

30
Q

Albumin and fibrinogen are examples of plasma proteins

A

True

31
Q

Glucose is a respiratory gas needed for life.

A

False

32
Q

Some plasma specimens can be remixed after centrifugation

A

False

33
Q

It takes 5 minutes for blood to clot normally

A

False

34
Q

Venous blood flow in the arm from the wrist to the shoulder or _____

A

Elbow

35
Q

Arteries have ____ vessel walls than veins

A

Thicker

36
Q

A blood clot that forms within the vascular system is a ______

A

Thrombus

37
Q

When a blood vessel is atherosclerotic and is completely blocked, it is ______

A

Occluded

38
Q

Side of arm (antecubital area) is preferred for venipuncture

A

Anterior

39
Q

Side of wrist or hand that is preferred for venipuncture

A

Posterior

40
Q

Substance in RBCs is responsible for oxygen transport

A

Hemoglobin

41
Q

For a blood transfusion to be successful, the donor and recipients blood types must be _____

A

Compatible

42
Q

Lactic acidosis is produced in the ______

A

Muscles

43
Q

Vinegar is an example of an _____ substance

A

Acidic

Phlebotomy (4 decks)

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