circulatory system Flashcards

1
Q
  1. The purpose of the serious fluid in the pericardial cavity is
A

to decrease friction between the layers of the heart as it contracts

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2
Q
  1. Which of the following represents a “normal” blood pressure
A

the foreign red blood cells change their type to match the hosts blood type

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3
Q
  1. which of the following is true about cardiac and skeletal muscle tissue
A

it can spontaneously depolarize without input from the nervous system

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4
Q
  1. If your blood type is O- that means
A

you have no agglutinogens on your red blood cells

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5
Q
  1. Place the following events in sequence A) the left atrium fills with blood; B) the valve between the atria and ventricles close; C) blood is pushed out from the right ventricle
A

ABC

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6
Q
  1. true or false : controlling many body processes by means of chemicals is a function of the cardiovascular system,`
A

false

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7
Q
  1. which component of blood is 90 percent water
A

plasma

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8
Q
  1. what chemical on erythrocytes carries oxygen throughout your body
A

iron

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9
Q
  1. which component of blood carries oxygen to the body cells
A

erythrocytes

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10
Q
  1. describe pathway of the blood
A

oxygen poor blood enters the heart through the superior vena cava. goes into the right atrium then left atrium then leaves the heart and enters the lungs where it is given oxygen. then enters the left atrium then left ventricle then out the aorta to the rest of the body

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11
Q
  1. valve between the right atrium and ventricle
A

sl valve

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12
Q

coronary circulation

A

circulation of the blood from the heart to the rest of the body

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13
Q
  1. hematopoisesies
A

the creation of blood cells

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14
Q
  1. three factor that makes it hard for blood to move through vessels
A

diameter of blood vessel, length of blood vessels and viscosity of the blood

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15
Q
  1. doctor treating patient with liver failure. what other problems arise because of this
A

your. blood cannot clot properly

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