Chapter 7 Flashcards
Systole
Contraction of the heart
Diastole
Relaxation of the heart
The atrioventricular valves function to prevent
Backward blood flow through heart
A differential count refers to
Specific types of WBCs
The hepatic artery delivers blood to the
Liver
Arteries that provide blood to the heart
Coronary
Veins most commonly used for venipuncture
Median cubital
Hemoglobin content is assessed in the laboratory by analyzing
Erythrocytes
When blood exits the right ventricle, it travels to the
Pulmonary circuit
How fast does the average adult heart beat
60-80 times per minute
Another name for leukocytes
White blood cells
Another name for erythrocytes
Red blood cells
Another name for thrombocytes
Platelets
What is true of a serum specimen
Does not contain an anticoagulant additive
Leukemia is a condition in which
WBCs are overproduced and do not function properly
Hemophilia is an inherited condition in which
Clotting factors do not work properly
Iatrogenic anemia is a condition in which
The anemia is due to excessive venipunctures
An aneurysm is a condition in which
There is a weakened area of the blood vessel wall
Thrombocytopenia is a condition in which there is a
Low platelet count
Polycythemia is a condition in which there is a
High RBC count
Leukocytosis is a condition in which there is a
High WBC count
A high cholesterol level is associated with this condition
Atherosclerosis
Abnormal glucose levels are associated with this condition
Diabetes
Low electrolytes (sodium, potassium) are associated with this condition
Dehydration or diarrhea
Increased creatinine levels are associated with this conditions
Nephritis
Blood flows to the lower body from the heart through the descending aorta.
True
The right and left brachiocephalic veins feed the legs.
False
Veins and arteries have valves throughout the body
False
Arterial blood flow is from the heart to the fingertips.
True
Albumin and fibrinogen are examples of plasma proteins
True
Glucose is a respiratory gas needed for life.
False
Some plasma specimens can be remixed after centrifugation
False
It takes 5 minutes for blood to clot normally
False
Venous blood flow in the arm from the wrist to the shoulder or _____
Elbow
Arteries have ____ vessel walls than veins
Thicker
A blood clot that forms within the vascular system is a ______
Thrombus
When a blood vessel is atherosclerotic and is completely blocked, it is ______
Occluded
Side of arm (antecubital area) is preferred for venipuncture
Anterior
Side of wrist or hand that is preferred for venipuncture
Posterior
Substance in RBCs is responsible for oxygen transport
Hemoglobin
For a blood transfusion to be successful, the donor and recipients blood types must be _____
Compatible
Lactic acidosis is produced in the ______
Muscles
Vinegar is an example of an _____ substance
Acidic
