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Ch. 11 Heart

Ch.11 Heart

QuestionAnswer
Which WBC is effective in defending the body against parasites? Eosinophils
Which section of the heart receives blood from the right coronary artery? Right Ventricle
What is another name for the left atrioventricular valve? Bicuspid or Mitral Valve
What is the vessel that brings blood to the heart from the trunk and pelvic region? Inferior Vena Cava
Which cells are involved in the production of antibodies? Lymphocytes
What is the name of the structure that separates the lower chambers of the heart? interventricular septum
What clotting protein produced by the liver begins the clotting process? Thrombin
What is the most common blood type among Americans? O
The group of pacemaker cells near the entrance of the superior vena cava form the Sino-atrial node or SA Node
Which cranial nerve releases a neurotransmitter that can decrease the pulse and force of contraction? Vagus
If the innermost wall of a vessel is damaged, the _________ begin to repair by attaching to the damaged site. Platelets
What color will vessels be if they have a high oxygen content? Red
The pH value measures the levels of Acidity and alkalinity
Capillary beds are fed by the Arterioles
Blood vessels that carry blood away from the heart are called arteries
t/f Atherosclerosis is caused by plaque. True
t/f Plasma is a yellow fluid. True
t/f Monocytes are erythrocytes False They are leukocytes
Type AB is the universal donor. False. Type AB is the universal recipient. Type O is the universal donor.
It is called systole when the heart contracts. True
Decreased blood flow to tissues is called ischemia. True
Arteries carry blood away from the heart. True
The average adult human has 4-6 liters of blood. True
In the venules, the exchange of gases takes place. False. Capillaries is where the exchange of gases takes place
Vasodilation makes the lumen smaller. False. Vasodilation makes the lumen larger.
The innermost layer of the blood vessel is the tunica interna. False. The innermost layer of the blood vessel is the tunica intima.
A floating embolus is a thrombus. False. A floating thrombus is an embolus.
Clotting usually begins approximately 15 seconds after injury. False. Begins almost immediately.
Arteries have thinner walls than veins. False. Veins have thinner walls than arteries.
The vagus nerve increases heart rate. False. The vagus nerve decreases heart rate.
Created by: EHamilton
 

 



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