Cardiovascular Test Corrections Flashcards
- which of these is not a function of the cardiovascular system?
controlling many body processes by means of chemicals
- If a persons blood lacked platelets,
what process could not take place?
Clotting of blood
- How is the heart different from the other muscles in your body?
It never gets tired.
- What happens to blood, which has already circulated through the body, when it moved into the heart?
The blood travels to the lungs for more oxygen
- How does pulmonary circulation differ from coronary circulation?
Coronary circulation occurs in the heart; pulmonary circulation occurs in the heart
- What would happen if your circulatory system did not deliver oxygen to your body’s cells?
Your body cells would die
34.
Through which type of circulation does blood flow to your hands and feet?
systemic circulation
- How are antigens different from antibodies?
Anti bodies Are present in white blood cells ; antigens are present in red blood cells
- What word best describes the beating of the heat and the circulation of blood?
Automatic
If your blood type is O- that means
you have no agglutinogens on your red blood cells
- The ___ side of the heart is the ____ circuit and pumps oxygen- poor blood to the ____
right; pulmonary; lungs
The __ of
the heart is the ____ circuit and pumps oxygen- rich blood to the ___
left; systemic; body
The purpose of the serous fluid in the pericardial cavity is
to carry critical nutrients like oxygen to the heart
Explain how the unique shape of enthyrocytes enables them to best carry out their function?
They are flattened and bio concave (donut-like) shape gives them more surface area to maximize gas exchange - which is critical b/c they contain hemoglobin which transports oxygen
- Describe the roles of two other organ systems in this process
red bone marrow (skeletal system)
regulated by a hormone called EPO (endocrine system
- d- Who can you donate blood to?
Type A or AB , b/c there blood doesn’t create anti A antibodies
73.Describe three factors that cause resistance to the flow of blood through the vessels. Explain which has
the greatest
impact?
bloods viscosity, length of a blood vessel and the diameter; the diameter of a blood vessel has the greatest impact b/c the viscosity of blood and the length of a blood vessel remain relatively constant where as the diameter of the blood vessel can change of the vessel contracts or is blocked in someway
- What is coronary circulation?
supplies the heart with its own oxygen rich blood to keep it nourished
- After the blood travels back to the pulmonary veins as O2 rich blood to the atrium and then through the mitral valve to the left ventricle and then through—-
aortic valve
- B. figure
C. Figure
B. aorta
C. pulmonary vein