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Biology > Cardiovascular > Flashcards

Cardiovascular Flashcards

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0
Q

What does the actual work of pumping

A

Ventricles

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1
Q

Right pump receives _____ and left pump receives ______

A

Deoxygenated, oxygenated

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2
Q

Venues are in between _____ and ______

A

Veins and capillaries

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3
Q

Vena cava brings blood back from the _____

A

Body

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4
Q

Right heart is ____ pressure left heart is _____ pressure

A

Low, high

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5
Q

What is a portal system

A

Capillary network with a special purpose

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6
Q

Hepatic portal system connects ____ to _____

A

Intestine to liver

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7
Q

Hypophyseal portal system connects _______ to _____

A

Hypothalamus to pituitary gland

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8
Q

What supplies heart with oxygen and nutrients

A

Coronary arteries

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9
Q

Where is sinoatrial node

A

In right atrium

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10
Q

Where is apex

A

Near ventricles at the bottom

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11
Q

Which heart is more muscular

A

Left

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12
Q

Bicuspid is where

A

Left atrium

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13
Q

Tricuspid is in the

A

Right atrium

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14
Q

Diastole

A

Ventricles relax

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15
Q

Systole

A

Ventricles contract

16
Q

Mechanism of how the heart contracts

A

Impulse activates SA node which activates AV node which activates bundle of his which activates purkinje fibers.

17
Q

AV node is delayed to

A

Allow ventricles to fill

18
Q

Parasympathetic neurotransmitter slow the heart by

A

The vagus nerve

19
Q

What has more smooth muscle arteries or veins

A

Arteries

20
Q

Arteries have ____ pressure and____ resistance

A

High, high

21
Q

Veins generally move blood ____

A

Up so they have veins to avoid back flow

22
Q

Blood pressure ____ from arterial to venous circulation, the largest ____ is across the ____

A

Drop, drop, arterioles

23
Q

Leukocytes

A

Produce antibodies and fight infection

24
Q

All blood is formed from _____

A

Hematopoietic stem cells

25
Q

Why are red blood cells concave

A

It makes them agile and increase the surface area for gas exchange

26
Q

As red blood cells mature they lose their ____

A

Membranous organelles

27
Q

During infection what aspect of the blood increases

A

White blood cell

28
Q

Function of granulocytes

A

Inflammatory, pus, destruction of bacteria.

29
Q

Function of agranulocytes

A

Lymphocytes, and monocytes which have a specific immune response

30
Q

T cells develop in the ____

A

Thymus

31
Q

Blood type A has ____ antigens present and produces ____ antibodies.

A

A, anti-B

32
Q

Blood type AB has ____ antigens present and produces ____ antibodies.

A

A and B, none

33
Q

Blood type O has ____ antigens present and produces ____ antibodies.

A

None, anti A and B

34
Q

What causes the oxygen curve to shift right leading oxygen to dissociate with greater ease

A

Increase in P of CO2, a decrease in pH, and an increase in temperature

35
Q

Fetal hemoglobin curve is shifted

A

Left

Biology (16 decks)

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