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Anatomy II Final > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

These vessels empty blood into the left atrium

A

Pulmonary veins

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2
Q

The AV valve that is located on the same side of the heart as the origin of the aorta is the

A

Bicuspid valve

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3
Q

The p wave of the ECG indicates

A

Atrial depolarization

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4
Q

Contractions of the ventricles is referred to as ventricular

A

Systole

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5
Q

When the left atrial pressure exceeds the leafy ventricular pressure

A

The bicuspid valve opens

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6
Q

Pressure in the right ventricle must exceed pressure in the____before the right ventricle can eject food

A

Pulmonary trunk

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7
Q

Which of the following is true?

A

Most ventricular filling occurs before the atria contract

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8
Q

Which of the following statements about regarding intrinsic regulation of the heart is true?

A

If cardiac muscle fibers are slightly stretched, they have a stronger contraction force

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9
Q

If the heart receives more sympathetic stimulation then parasympathetic stimulation the heart will

A

Increase the rate and force of contraction

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10
Q

Which of the following will increase the heart rate?

A

An increase in the level of carbon dioxide in the blood.

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11
Q

Lowered extra cellular potassium levels will lower the heart rate because

A

The resting membrane potential is hyper polarized

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12
Q

Systematic blood vessels transport blood

A

From the left ventricle to the right atrium

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13
Q

What is the order of the blood vessels that a red blood cell would pass through

A

Artery, arteriole, capillary, venule, vein

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14
Q

The gas exchange of nutrients and gas between the blood and tissue cells is the primary function of

A

Capillaries

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15
Q

Which of the following statements concerning the blood vessel walls is true ?

A

The tunica intimia

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16
Q

Arteries can from strict or dilate as needed because of the smooth muscle found in the

A

Tunica media

17
Q

Which of the following would lead to relaxation of the pre capillary sphincter ?

A

Decrease in oxygen levels

18
Q

Veins

A

May contain valves and ate lined with endothelium

19
Q

The velocity of blood flow inside a blood vessel

A

Is faster

20
Q

Which of the following would in increase resistance to blood flow

A

Decrease in radius

21
Q

As viscosity of the blood increases

A

The pressure of the flow increases

22
Q

The greater the compliance

A

The more easily

23
Q

According to laplace’s law, as the diameter of the blood vessel increases the force applied to the wall the blood vessel

A

Increases

24
Q

Arteriosclerosis is

A

Thickening of the tunica intima

25
Q

In which of the following would you detect a weak pulse

A

Hemorrhagic shock

26
Q

When measuring blood pressure with a sphygmomanometer

A

Pressure in the brachial artery

27
Q

A force that causes the movement of fluid out of the capillary is

A

Blood pressure

28
Q

When blood pressure is greater than the blood colloid osmotic pressure there is

A

A net movement of fluid out of the capillary

29
Q

Which of the following happens when a person stands in one place for long periods of time

A

All of the above

30
Q

To the following statements regarding regulation of local blood flows true

A

Increased metabolic rate in a tissue increases capillary bloodflow into the tissue

31
Q

What to the following factors assist in the return of venous blood to the heart

A

Valves in the vein a, compression of that veins by muscular movement

32
Q

Which of the following would occur as a result of increased renin released by the kidneys

A

An increase in blood volume

33
Q

Which of the following chemical substances when released in the blood would cause blood pressure to decrease

A

ANH

34
Q

If a person develops high blood pressure one of the Compensatory mechanisms that comes into play is a fluid shift mechanism. This mechanism causes

A

Water to to shift from the capillaries into the interstitial space

35
Q

And incompetent pulmonary semilunar cable could result in less blood reaching the

A

Lungs

Anatomy II Final (3 decks)

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