Chapter C5. La circolazione e il sangue #108767

Vertebrate Cardiovascular system

Which association is incorrect?

A:

white blood cells—infection fighting

B:

red blood cells—blood clotting

C:

plasma—water, nutrients, and wastes

D:

red blood cells—hemoglobin

E:

platelets—blood clotting

Scelta multipla

Invertebrate circulatory system

A circulatory system is involved in

A:

homeostasis.

B:

transport of wastes.

C:

transport of nutrients.

D:

All of these are correct.

Scelta multipla

Vertebrate cardiovascular system

Systole refers to the contraction of the

A:

major arteries.

B:

SA node.

C:

atria and ventricles.

D:

major veins.

E:

All of these are correct.

Scelta multipla

Vertebrate cardiovascular system

Which of the following lists the events of the cardiac cycle in the correct order?

A:

contraction of atria, rest, contraction of ventricles

B:

contraction of ventricles, rest, contraction of atria

C:

contraction of atria, contraction of ventricles, rest

D:

contraction of ventricles, contraction of atria, rest

Scelta multipla

Vertebrate cardiovascular system

In humans, blood returning to the heart from the lungs returns to

A:

the right ventricle.

B:

the right atrium.

C:

the left ventricle.

D:

the left atrium.

E:

both the right and left sides of the heart.

Scelta multipla

Skeleton

All blood cells — red, white, and platelets — are produced by which of the following?

A:

yellow bone marrow

B:

red bone marrow

C:

periosteum

D:

medullary cavity

Scelta multipla

Vertebrate cardiovascular system

A:

Arteries carry blood away from the heart, and veins carry blood to the heart.

B:

Arteries carry blood to the heart, and veins carry blood away from the heart.

C:

Arteries carry O₂-rich blood, and veins carry O₂-poor blood.

D:

Arteries carry O₂-poor blood, and veins carry O₂-rich blood.

Vero o falso

Vertebrate Cardiovascular system

Place the following blood vessels in order, from largest to smallest in diameter

A:

arterioles, capillaries, arteries

B:

capillaries, arteries, arterioles

C:

arteries, arterioles, capillaries

D:

arterioles, arteries, capillaries

E:

arteries, capillaries, arterioles

Scelta multipla

Vertebrate cardiovascular system

The last step in blood clotting

A:

is the only step that requires calcium ions.

B:

occurs outside the bloodstream.

C:

is the same as the first step.

D:

converts prothrombin to thrombin.

E:

converts fibrinogen to fibrin.

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Vertebrate cardiovascular system

Red blood cells

A:

reproduce themselves by mitosis.

B:

live for several years.

C:

continually synthesize hemoglobin.

D:

are destroyed in the liver and spleen.

Scelta multipla