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Biology 093 > Quiz 9 > Flashcards

Quiz 9 Flashcards

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1
Q

What leaves the left ventricle?

A

Aorta.

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2
Q

What is a hormone that speeds up maturation of red blood cells?

A

Erythropoietin.

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3
Q

What is a vessel with the most smooth muscle?

A

Artery.

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4
Q

What is a vessel receiving deoxygenated blood from capillaries?

A

Venule.

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5
Q

What vessel holds the most blood volume?

A

Vein.

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6
Q

What is not a function of plasma proteins?

A

Carry 02.

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7
Q

What cells lack a nucleus when mature?

A

Red blood cells.

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8
Q

Anemia is not concerned with a lack of what?

A

Neutrophils.

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9
Q

What is a granular leukocyte and fights parasitic worms?

A

Eosinophils.

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10
Q

What is a granular leukocyte that releases histamines?

A

Basophils.

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11
Q

What is an agranular leukocyte that capture microbes but also call in other white blood cells?

A

Dendritic cells.

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12
Q

Megakaryocytes are responsible for producing what?

A

Platelets.

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13
Q

Damaged blood vessels can release what activator to commence with clotting?

A

Prothrombin.

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14
Q

To finally seal a cut, what combines with red blood cells?

A

Fibrin.

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15
Q

What is the most tissue of the heart?

A

Myocardium.

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16
Q

What separated the right and left sides of the heart?

A

The septum.

17
Q

The atrioventricular valve on the right is called what?

A

The tricuspid valve.

18
Q

What is not a semilunar valve: chordae, pulmonary, aortic.

A

Chordae.

19
Q

What sends blood to the pulmonary circuit?

A

Right ventricle.

20
Q

What sends 02 rich blood to the rest of the body?

A

Left ventricle.

21
Q

The cardiac output is a measurement of what per minute?

A

Left ventricle.

22
Q

The “dub” of the “Lub dub” has to do with what valves closing?

A

Semilunar

23
Q

The ______ node will take over if the _____ node fails. Result is a slower heartbeat.

A

AV/SA.

24
Q

Both the SA and the AV nodes are found where in the heart?

A

Right atrium.

25
Q

What node helps regulate the contraction of the atria?

A

SA.

26
Q

The pulmonary circuit concerns what side of the heart?

A

Right.

27
Q

What system is when blood circulation begins and ends in capillaries?

A

Portal.

28
Q

The hepatic portal system has capillaries that go first where? Then to a vein and capillaries again and meet where?

A

Small intestine/liver.

29
Q

Define diastole.

A

Relaxation of the heart muscle.

30
Q

Define systole.

A

Contraction of the heart muscle.

31
Q

List two ways that veins carry blood back to the heart.

A

Skeletal muscle contraction,

Valves to prevent back flow and direct blood toward the heart.

32
Q

Briefly state what the systemic circuit does.

A

Circulate blood throughout the whole body excluding the lungs.

33
Q

Briefly describe angioplasty and compare with angioplasty involving stents.

A

Angioplasty is where a balloon is inserted into and artery to stretch it and prevent blockage and buildup. Balloon will collapse.
With a stent, balloon and stent are inserted, balloon collapsed but stent will remain.

34
Q

List the steps that occur when a heartbeat occurs.

A

Measured by both atrium contracting, both ventricles contracting, then all relax. SA node initiates heartbeat and contracts right atrium, and AV node contracts atrium.

35
Q

What occurs at arterial end of a capillary bed and why?

A

Water leaves the capillary because blood pressure is higher inside than outside.

36
Q

What is an arteriovenous shunt?

A

Between capillary beds, allowing blood to bypass beds so movement of blood from arterioles goes directly to venules.

Biology 093 (27 decks)

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