Term
| Which ventricular wall is always thickest? |
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Definition
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Term
| What do the Chordae tendonae do? |
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Definition
| Help anchor av valves and monitor blood flow |
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Term
| What side is the bicuspid (mitral) valve on? |
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Definition
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Term
| What side is the tricuspid valve on |
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Definition
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Term
| What do the semilunar valves do? |
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Definition
| prevent bloodflow from aorta and ventricle |
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Term
| What assists the low pressure blood in the veins to return to the heart? |
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Definition
| the high pressure from the artieries |
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Term
| What are the three tunics found in artery or vein? |
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Definition
| tunica intima,media,externa |
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Term
| What are the differences between arteries and veins? |
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Definition
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Term
| What is systolic blood pressure? Diastolic blood pressure? |
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Definition
| pressure in arteries during systole, vise versa |
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Term
| What things influence blood pressure? |
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Definition
| cardiac output, peripheral resistance,blood volume |
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Term
| What is a normal BP value? |
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Definition
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Term
| What is BP value Hypotension? |
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Definition
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Term
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Definition
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Term
| What makes the first heart sound? The second heart sound? |
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Definition
first sound: closing of mitral and tricuspid valves at bginning of ventricular systole.
Second sound: closing of aortic and pulmonary valves at beginning of ventricular diastole. |
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Term
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Definition
| pressure wave caused by the expansion and recoil of arteries |
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Term
| What are the lymphatic organs? |
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Definition
| lymph nodes, thymus, spleen |
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Term
| What do the lymph nodes do? |
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Definition
| defend body from bacteria and invaders |
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Term
| How is lymph moved through the lymphatic system |
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Definition
| enters subscaulr sinus,flows through outer cortex of lymph node,continues through deep cortex, travels into medulla, enters efferent lymphatics at the hilum. |
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Term
| What is the role of T cells? |
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Definition
| help control sensitivity and immune response (cell mediated immunity) |
|
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Term
| what is the role of B cells? |
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Definition
| secrete antibodies (antibody mediated immunity)like plasma cells |
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Term
| What type of cell makes antibodies? |
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Definition
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Term
| they can travel to ay part of the body |
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Definition
| Why is it dangerous when cancer cells get into the lymphatic system? |
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Term
| What antigens does a person with AB blood have on their RBCs? |
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Definition
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Term
| What antibodies (agglutininins) does a person with O blood have in their plasma? Type A? |
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Definition
| O has both a and b antibodies. type A has B ANTIBODIES. |
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Term
| What happens to cells when their hemoglobin is mutated? |
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Definition
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Term
| What is the role of the WBCs |
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Definition
| defend the body against foreign toxins and pathogens |
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Term
| What are the characteristics and function of red blood cells? Platelets? |
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Definition
| transportation, regulation, and protection. Lack nucleus. platelets are cell fragments have nucleus, help stop blood loss by forming clot. |
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Term
| What are the coronary arteries? |
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Definition
| supplies blood to both atrium and ventricles. |
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Term
| How does a sphygmomanometer work? |
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Definition
| Pressure is increased in the cuff until it exceeds systolic pressure in the brachial artery |
|
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Term
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Definition
| hardening and loss of elasticity of wall of arteries |
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Term
| What does arteriosclerosis do to a BP reading? |
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Definition
| increasing work of the heart arteries aren't elastic. high blood pressure. |
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|
Term
| What does increased heart rate do to a BP reading? |
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Definition
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Term
|
Definition
| collection of lymphoid tissue. filter bacteria. |
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