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Biology (sab) > Circulatory And Respiratory Systems > Flashcards

Circulatory And Respiratory Systems Flashcards

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0
Q

Right atria flows through the ____ valve to the righty ventricle through the ____ valve to the pulmonary arteries

A

Tricuspid

Pulmonary semilunar

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1
Q

_____ blood is pumped into the pulmonary system and ____ blood is pumped into the systemic system

A

Deoxygenated

Oxygenated

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2
Q

Left atria flows into left ventricle through the ____ valve then continues to the aorta through the ____ valve

A

Mitral /bicuspid

Aortic semilunar valve

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3
Q

How many cusps do the semilunar valves have ?

A

3

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4
Q

Period during which the ventricles contract , forcing blood out of the heart

A

Systole

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5
Q

Period of cardiac relaxation when the blood drains into all four chambers

A

Diastole

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6
Q

The total volume of blood the left ventricle pumps out per minute

A

Cardiac output

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7
Q

Cardiac output = ____ x ______

A

Heart rate x stroke volume

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8
Q

Impulse conducting system pathway ?

SA node —>

A

Av node - bundle of his - left and right bundle branches - purkinje fibers

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9
Q

What is the lub sound ?

A

Closing of av valves

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10
Q

What is the dub sound ?

A

Closing of the semilunar valves

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11
Q

Parasympathetic innervates the heart via _____ and causes a ____ in heart rate

A

Vagus nerve

Decrease

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12
Q

Sympathetic system innervates the heart via ___ and causes a ____ in heart rate

A

Cervical and upper thoracic ganglia

Increases

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13
Q

Adrenal medulla exerts control via _____ which ____ heart rate

A

Epinephrine

Increases

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14
Q

2 roles of lymphatic system ?

A

Transport excess interstitial fluid (lymph) to the cv system , keeping fluid levels constant

Collect fats in form of chylomicrons from lacteals

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15
Q

Swellings along lymph vessels containing Phagocytic cells (lymphocytes) filtering the lymph, removing and destroying particles and pathogens

A

Lymph nodes

16
Q

Formation of red blood cells is stimulated by _____ made in the _____

A

Erythropoietin

Kidneys

17
Q

Finding immature red blood cells in the bloodstream die to a rapid destruction of red blood cells due to infection or disorder

A

Hemolytic anemia

18
Q

Universal acceptor ?

A

AB

19
Q

Universal donar?

A

O

20
Q

If you are RH- you will have ______ antibodies and this is dangerous if you have a child with ___

A

RH+

RH+

21
Q

When anti Rh antibodies cross the placenta and destroy feta red blood cells

A

Erythroblastosis fetalis

22
Q

Drug comprises of a mixture of antibodies given to mothers who are RH- to prevent their immune systems from attacking the fetal red blood cells

A

Rhogam

23
Q

What is absorbed into the blood steam at the intestinal capillaries and after being processed is transported through the body

A

Amino acids and simple sugars

24
Q

Platelets form a platelet plug when they come in contact with ?

A

Collagen

25
Q

Platelets and damaged tissue releases ____ which causes ____ to become ____ with aid of ___

A

Thromboplastin
Prothrombin
Thrombin
Calcium and vitamin k

26
Q

Thrombin converts ___ to ____

A

Fibrinogen to fibrin

27
Q

The fluid left over after blood clotting is called

A

Serum

28
Q

An anticoagulant that works by inhibiting the recycling of vitamin k

A

Warfarin

29
Q

Air passage from nose ?

A

Node pharynx larynx teachea bronchi bronchioles alveoli

30
Q

Inhalation the diaphragm ___ and external intercostal muscles ____

A

Contracts and flattens

Contract

31
Q

The ____ nerve causes the diaphragm to contract and flatten

A

Phrenic

32
Q

Keeps the lungs from collapsing , decreases surface tension and assists with lung function

A

Surfactant

33
Q

Ventilation is regulated by neurons located in the ?

A

Medulla oblongata

34
Q

When the partial pressure of co2 rises the medulla oblongata stimulus a ____ rate of ventilation

A

Increase

35
Q

Oxygen blood levels are monitored by ?

A

Peripheral chemoreceptors

36
Q

Total lung capacity ?
Tidal volume ?
Vital capacity ?

A

Max volume lungs can hold
Volume filled at rest
Volume filled when stressed

37
Q

Inspiratory reserve volume ?
Expiratory reserve volume ?
Residual volume ?

A

Upper limit-vital capacity
Lower limit - vital capacity
Total lung capacity - vital capacity

Biology (sab) (11 decks)

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