Chapter 14: Blood Flashcards
Main functions of the blood include ___
Transportation, regulation, protection
Prevention of blood loss is called____
Hemostasis
Liquid portion of blood
Plasma
Scientific name for red blood cells
Erythrocytes
Formed elements in blood include ___
erythrocytes, leukocytes, platelets
Substances in blood capable of activating an immune response
Antigens
Types of antigens include ___
A, B, Rh factor
Heredity determines blood type (t/f)
True
Clumping of red cells when mixed with matching antiserum
Agglutination
Test that measures how much of blood volume is red cells
Hematocrit
Type O blood has neither A or B antigens (t/f)
True
Rh is also known as the E antigen (t/f)
False
Protective process of blood to prevent blood loss
Hemostasis
The thickest tissue layer of heart
Myocardium
The process of forming a blood clot
Coagulation
The right and left sides of the heart are separated by ____
Septum
Right atrium receives blood returning to the heart via the ____
Vena cava
Left atrium reveries blood from the lungs via ____
Pulmonary veins
Which heart chamber pumps blood to the lungs?
Right ventricle
Left ventricle pumps blood to the body via ___
Aorta
The heart has 4 valves, at the entrance and exit of each ventricle (t/f)
True
The tricuspid valve is located between the ____
Right atrium and right ventricle
The atrioventricular vavles between the atrium and ventricles
Tricuspid, mitral
Blood supply to the heart muscles is via ___
Coronary arteries
The conduction component of the heart called the pacemaker is ___
Sinoatrial (SA) node
First heart sound “lub” is made by ___
Closure of AV valves
An abnormal sound usually due to faulty heart valve action
Heart murmur
Ways to study the heart include ___
Echocardiogram, ECG, stethoscope
Factors of heart health out of our control include all except ___
Weight (Age, gender, hereditary)
Factors of heart health we can control include all except___
Body type (Smoking, diet, physical activity)
Those of blood vessels include all except____
Ventrioles (Arteries, capillaries, arterioles)
The two blood circuits include ____
Systemic, pulmonary
Largest artery of the body
Aorta
The force of ventricular contraction starts a wave known as ___
Pulse
The force exerted by blood against the walls of vessels
Blood pressure
Me. B has a mood pressure reading of 125/75 mm HG. His diastolic pressure is ___
75 mm HG
Mr. B’s heart is beating 175 times a minute. This condition is ____
Tachycardia
Which of the following blood pressure readings would be considered hypertension?
145/95 (high)
Another name for a heart attack is a ___
Myocardial infarction
Cardiac output is ___
Blood pumped from one ventricle per minute, about 5 liters per minute
