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CARDIOVASCULAR SYSTEM Flashcards

1
Q

What are the 4 chambers of the heart

A

LEFT AND RIGHT ATRIA

LEFT AND RIGHT VENTRICLE

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2
Q

Air flow in and out of the Lungs is :

>

A

INVERSELY PROPORTIONAL TO THE RESISTANCE OF THE AIRWAYS

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3
Q

After being pumped to the lungs by the right ventricle, the Oxygenated blood returns to the ______________ and moves to the _______________.

A

LEFT ATRIA

LEFT VENTRICLE

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4
Q 
Blood flow (F) through a blood vessel dependent on two factors:
-

-

A

PRESSURE GRADIENT

  • DIFFERENCE IN PRESSURE FROM ONE END OF VESSEL TO ANOTHER
  • RESISTANCE WITHIN VESSEL
  • LONGER VESSEL, GREATER RESISTANCE
  • SMALLER WIDTH, GREATER RESISTANCE
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5
Q

_______=heart rate x stroke vol.

A

CARDIAC OUTPUT

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6
Q

Oxygen (o2) exerts 160 mm Hg, what is the percentage of the atmosphere?

A

21%

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7
Q

Possible causes of ___________________;

  • risk factors-obesity
  • high sodium
  • high cholesterol
  • family history
A

HYPERTENSION

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8
Q

___________________

  • 70 beats per min. (Approx.) during rest but varies depending on:
  • age
  • cardio-vascular conditioning.
A

RESTING HEART RATE

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9
Q

What are the two types of blood pressure ?

A

SYSTOLIC AND DIASTOLIC

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10
Q

The ________________ receives de-oxygenated blood from the head and other areas of the body.

A

RIGHT ATRIA

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11
Q

______________
-volume of blood pumped per beat (per stroke)
E.g. 65 milliliter (ml) per beat (=.01gallons)

A

Stroke volume

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12
Q

What are some causes of resistance when it comes to air flow in and out of the lungs ?

A
  • stuffy nose
  • asthma
  • bronchitis
  • emphysema
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13
Q

_______= P(pressure gradient)
——————————
R (vessel resistance)

A

BLOOD FLOW

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14
Q

______________________

-exchange of o2 and co2 within the cells

A

INTERNAL (CELLULAR) RESPIRATION

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15
Q

_____________________
An abnormal sound heard during examination. This is caused by altered blood flow into a chamber or through a valve. So are no significance, some can signal a cardiac problem.

A

HEAT MURMUR

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16
Q

__________________

-arterial blood pressure during a contraction of the heart (eg 120mm Hg)

17
Q

What are the two types of circulation when it comes to the Cardiovascular System ?

A

PULMONARY

SYSTEMIC

18
Q

-lightheadedness, easy fatigability, headaches, angina if coronary arteries are involved. These are all symptoms of ______________

A

HYPERTENSION

19
Q

_________________________
The partial pressure of oxygen ((po2)
Decreases at higher altitudes. Therefore, alveolar po2 is lower than normal o2 has a more difficult time diffusing from the alveoli into the blood.

A

HIGH ALTITUDE SICKNESS

20
Q

Some treatments for ____________________

  • low sodium diet
  • reduce diet to control obesity
  • adequate rest
  • various types of drugs
A

HYPERTENSION

21
Q

Carbon dioxide (co2) exerts .3mm Hg, what percentage ?

22
Q

_____________________

  • elevated blood pressure exceeding 140/90mm Hg
  • thickened arterial wall, inelastic arterial walls, reduced blood flow.
A

HYPERTENSION

23
Q

The _______________ circulation carries blood to and from the lungs

24
Q

At sea level the atmospheric pressure is ?

25
Q

The ______________ circulation carries blood to and from the heart and other organs

26
Q

___________________
Arterial blood pressure during the relaxation and filling of the heart
(Eg. 80 mm Hg)

27
Q

______________________
>Molecules within a gas move from areas of high pressure to areas of low pressure.
>governs respiration

A

LAW OF DIFFUSION

28
Q 
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
-the mechanical act of moving air in and out of the lungs 
-AIR
   V.    ^
-PHARYNX
   V.    ^
-TRACHEA
   V.    ^
-BRONCHI 
   V.    ^
-BRONCHIAL TUBES 
   V.    ^
-ALVEOLI
A

VENTILATION

29
Q

The de-oxygenated blood leaves the right atria to the __________________ where it is pumped to the lungs.

A

RIGHT VENTRICLE

30
Q 
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
Consist of the 
-heart blooded vessels 
-arteries 
-veins 
-capillaries and the blood

*2,100 gallons of blood is pumped per day

A

CARDIOVASCUAR SYSTEM

31
Q 
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
>exchange of o2 and co2 
>between the ;
-atmosphere and the lungs 
-lungs and the blood, blood and the tissue
A

EXTERNAL RESPIRATION

32
Q

Air flow in and out of the lungs is:
>

Part1.

A

DIRECTLY PROPORTIONAL TO THE PRESSURE GRADIENT BETWEEN ATMOSPHERIC AND INTRA-ALVEOLAR PRESSURE.

33
Q

Which muscles assist in ventilation ?

A
  • DIAPHRAGM

- EXTERNAL INTERCOSTAL MUSCLES

Kinesiology (13 decks)

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