Chapter 7

Question 1

Systole

Answer 1

Contraction of the heart

Question 2

Diastole

Answer 2

Relaxation of the heart

Question 3

The atrioventricular valves function to prevent

Answer 3

Backward blood flow through heart

Question 4

A differential count refers to

Answer 4

Specific types of WBCs

Question 5

The hepatic artery delivers blood to the

Answer 5

Liver

Question 6

Arteries that provide blood to the heart

Answer 6

Coronary

Question 7

Veins most commonly used for venipuncture

Answer 7

Median cubital

Question 8

Hemoglobin content is assessed in the laboratory by analyzing

Answer 8

Erythrocytes

Question 9

When blood exits the right ventricle, it travels to the

Answer 9

Pulmonary circuit

Question 10

How fast does the average adult heart beat

Answer 10

60-80 times per minute

Question 11

Another name for leukocytes

Answer 11

White blood cells

Question 12

Another name for erythrocytes

Answer 12

Red blood cells

Question 13

Another name for thrombocytes

Answer 13

Platelets

Question 14

What is true of a serum specimen

Answer 14

Does not contain an anticoagulant additive

Question 15

Leukemia is a condition in which

Answer 15

WBCs are overproduced and do not function properly

Question 16

Hemophilia is an inherited condition in which

Answer 16

Clotting factors do not work properly

Question 17

Iatrogenic anemia is a condition in which

Answer 17

The anemia is due to excessive venipunctures

Question 18

An aneurysm is a condition in which

Answer 18

There is a weakened area of the blood vessel wall

Question 19

Thrombocytopenia is a condition in which there is a

Answer 19

Low platelet count

Question 20

Polycythemia is a condition in which there is a

Answer 20

High RBC count

Question 21

Leukocytosis is a condition in which there is a

Answer 21

High WBC count

Question 22

A high cholesterol level is associated with this condition

Answer 22

Atherosclerosis

Question 23

Abnormal glucose levels are associated with this condition

Answer 23

Diabetes

Question 24

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

Answer 24

Dehydration or diarrhea

Question 25

Increased creatinine levels are associated with this conditions

Answer 25

Nephritis

Question 26

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

Answer 26

True

Question 27

The right and left brachiocephalic veins feed the legs.

Answer 27

False

Question 28

Veins and arteries have valves throughout the body

Answer 28

False

Question 29

Arterial blood flow is from the heart to the fingertips.

Answer 29

True

Question 30

Albumin and fibrinogen are examples of plasma proteins

Answer 30

True

Question 31

Glucose is a respiratory gas needed for life.

Answer 31

False

Question 32

Some plasma specimens can be remixed after centrifugation

Answer 32

False

Question 33

It takes 5 minutes for blood to clot normally

Answer 33

False

Question 34

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

Answer 34

Elbow

Question 35

Arteries have ____ vessel walls than veins

Answer 35

Thicker

Question 36

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

Answer 36

Thrombus

Question 37

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

Answer 37

Occluded

Question 38

Side of arm (antecubital area) is preferred for venipuncture

Answer 38

Anterior

Question 39

Side of wrist or hand that is preferred for venipuncture

Answer 39

Posterior

Question 40

Substance in RBCs is responsible for oxygen transport

Answer 40

Hemoglobin

Question 41

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

Answer 41

Compatible

Question 42

Lactic acidosis is produced in the ______

Answer 42

Muscles

Question 43

Vinegar is an example of an _____ substance

Answer 43

Acidic