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Anatomy/Physiology - Semester 1 > Quiz - Cardio > Flashcards

Quiz - Cardio Flashcards

1
Q

Why/how does the venous blood move in the body?

A

Venous Pump

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2
Q

Who controls the local vasomotor reflexes

A

Autonomous in the that place, not controlled by the brain

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3
Q

Carotid barroreflexor detects low blood pressure, is the response sympathetic

A

Sympathetic, you want to contract

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4
Q

Acidotic leads to?

A

Tachycardia – pump more blood through lungs to expel more CO2

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5
Q

What kind of feedback received by the body when you have excited emotions?

A

Emotions is cortex, brain, not automatic

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6
Q

What is the cardiac output?

A
  • Def: amount of blood pushed out per unit of time

- Stroke volume – frequency (heartrate)

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7
Q

Definition of Murmur

A
  • Cardiac murmur is the sound produced by the rush of blood around a heart abnormality (intracardiac irregularity)
  • Could be a bunch of different branches
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8
Q

What happens during isovolumetric ventricular contractions?

A

Volume stays the same, but the pressure is increasing because of contractions in the ventricles (the valves haven’t opened yet)

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9
Q

What is the QRS

A

Ventricles depolarization

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10
Q

Ventricular repolarization is which part of the ECG wave?

A

T waves

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11
Q

Duration of QRS?

A

Under O.1

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12
Q

QRS’s structure is?

A

It’s a spike, ventricles depolarizing and atriums polarizing

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13
Q

Hepatic portal system?

A
  • Is the gastrointestinal areas (spletnik area) veins going through the liver before going to the inferior vena cava
  • The liver does not ‘filter’, it detoxifies and metabolizes the stuff in the blood
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14
Q

Name of the artery where we normally check for a pulse?

A

Radial

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15
Q

Left common iliac artery is a branch of the?

A

Abdominal aorta

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16
Q

Hypoxia triggers vasodilation into the lungs. True or False?

A

False, it vasoconstricts – therefore, pulmonary hypertension

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17
Q

Endothelium covers the valves in the veins. True or False?

A

True, it covers everything in the vessels and heart

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18
Q

Diastolic pressure gives necessary push for the blood to return to the right side of the heart. True or False?

A

False, there is no pressure in the venous system

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19
Q

Perkinje Fibers intervate (electrify) the valves. T/F?

A

False, the valves are not electrified, they are passive, not mechanical flaps

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20
Q

Who innervates the myofibers of the atria?

A

Interatrial fibers, interatrial bundle

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21
Q

How do parasympathetic nerves get sent to the plexus?

A

Vagus nerve

22
Q

Where is the cardiac plexus

A

By the aortic arch, NOT IN, BY (beside)

23
Q

What is the name of final branches of the bundle of HIS?

A

Purkinje Fibers

24
Q

How many branches of the bundle of HIS before fibers?

A

2, on the right and left

25
Q

What happens to the pulmonary valve vein when the tricuspid valve is open?

A
  • Nothing, it is closed.

- When the AV valves are open, the SL valves are closed

26
Q

What is the normal sequence of the heart contraction?

A

Atria contracts then the ventricles

27
Q

Chordae Tendonae is?

A

The tendons (fibers) holding down the boarders of the leaflets of the AV valves to the papillary muscles

28
Q

Soft entanglement of the inside of the ventricles?

A

Trabeculae carnae

29
Q

Endothelium is what type of cell?

A

Non keratinized simple squamous cells

30
Q

How many pulmonary arteries do we have?

A

0, they’re veins – NOT ARTERIES

31
Q

The pericardium has 2 layers. T/F?

A

False, there are 3 layers

32
Q

Aorta and its major branches are what kind of vessels?

A

Electric vessels

33
Q

What kind of vessels are the arteries that distribute?

A

Muscular

34
Q

Last spot of muscles in the arteries?

A

Pre capillary sphincter

35
Q

What feeds the SA and AV nodes?

A

Para and sympathetic nerves from the plexus

36
Q

Name of the structure by which the heart drains its venous blood into the right atrium?

A

Coronary sinuses

37
Q

What are the branches of the right coronary artery?

A

Posterior interventricular and medial

38
Q

Myocardium walls are oxygenated by the?

A

Coronary arteries – 1st branches of the aorta

39
Q

How many holes in the heart skeleton?

A

5 – 4 plus the bundle of His

40
Q

Direction of the pulmonary veins?

A

Carried from the left lung to the left atrium

41
Q

Interventricular valves are named?

A

There are NONE

42
Q

Role of papillary muscles?

A

Keep proper tension of the chordae tendonae

43
Q

Inter meso and epicardium layers are layers of the?

A

Nothing, these things do not exist

44
Q

Pericardium outermost layer is fibrous? T/F?

A

True, it is a conical sac of fibrous tissue

45
Q

Epicardium is attached to the inner fibrous pericardium. T/F?

A

True

46
Q

Human heart lies in front of the mediastinum. T/F?

A

False, it lies INSIDE of it

47
Q

Why/how does the venous blood move in the body?

A

Venous pump

48
Q

Who controls the local vasomotor reflexes?

A

Autonomous in that place, not controlled in the brain

49
Q

Carotid baroreflexes detects low blood pressure, is the response sympathetic or parasympathetic?

A

Sympathetic, you want to contract

50
Q

Acidotic leads to?

A

Tachycardia. Pump more blood through lungs to expel more CO2

Anatomy/Physiology - Semester 1 (3 decks)

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