Circulatory And Respiratory Systems Flashcards
Right atria flows through the ____ valve to the righty ventricle through the ____ valve to the pulmonary arteries
Tricuspid
Pulmonary semilunar
_____ blood is pumped into the pulmonary system and ____ blood is pumped into the systemic system
Deoxygenated
Oxygenated
Left atria flows into left ventricle through the ____ valve then continues to the aorta through the ____ valve
Mitral /bicuspid
Aortic semilunar valve
How many cusps do the semilunar valves have ?
3
Period during which the ventricles contract , forcing blood out of the heart
Systole
Period of cardiac relaxation when the blood drains into all four chambers
Diastole
The total volume of blood the left ventricle pumps out per minute
Cardiac output
Cardiac output = ____ x ______
Heart rate x stroke volume
Impulse conducting system pathway ?
SA node —>
Av node - bundle of his - left and right bundle branches - purkinje fibers
What is the lub sound ?
Closing of av valves
What is the dub sound ?
Closing of the semilunar valves
Parasympathetic innervates the heart via _____ and causes a ____ in heart rate
Vagus nerve
Decrease
Sympathetic system innervates the heart via ___ and causes a ____ in heart rate
Cervical and upper thoracic ganglia
Increases
Adrenal medulla exerts control via _____ which ____ heart rate
Epinephrine
Increases
2 roles of lymphatic system ?
Transport excess interstitial fluid (lymph) to the cv system , keeping fluid levels constant
Collect fats in form of chylomicrons from lacteals
Swellings along lymph vessels containing Phagocytic cells (lymphocytes) filtering the lymph, removing and destroying particles and pathogens
Lymph nodes
Formation of red blood cells is stimulated by _____ made in the _____
Erythropoietin
Kidneys
Finding immature red blood cells in the bloodstream die to a rapid destruction of red blood cells due to infection or disorder
Hemolytic anemia
Universal acceptor ?
AB
Universal donar?
O
If you are RH- you will have ______ antibodies and this is dangerous if you have a child with ___
RH+
RH+
When anti Rh antibodies cross the placenta and destroy feta red blood cells
Erythroblastosis fetalis
Drug comprises of a mixture of antibodies given to mothers who are RH- to prevent their immune systems from attacking the fetal red blood cells
Rhogam
What is absorbed into the blood steam at the intestinal capillaries and after being processed is transported through the body
Amino acids and simple sugars
