AP (Advanced Placement) Biology: Questions 381 - 385 of 868

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Question number: 381

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Pace maker is.

Choices

Choice (5)Response

a.

Auriculo - ventricular node that provides impulse for heart beat

b.

Instrument for measuring heart beat

c.

Instrument for measuring pulse rate

d.

Sino - auricular node that provides impulse for heartbeat

e.

All of the above

Question number: 382

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

The lymph serves to.

Choices

Choice (5)Response

a.

Return the WBCs and RBCs to the lymph nodes

b.

Transport O2 to the brain

c.

Transport to the lungs

d.

Return the interstitial fluid to the blood

e.

None of the above

Question number: 383

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Lysozyme that is present in perspiration, saliva and tears, destroys

Choices

Choice (5)Response

a.

All viruses

b.

Most virus-infected cells

c.

Certain fungi

d.

Certain types of bacteria

e.

All of the above

Question number: 384

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Oxygen and nutrients reach the myocardium.

Choices

Choice (5)Response

a.

Through vessels connected to the vena cava

b.

From the pericardial cavity

c.

By diffusion through the endocardium

d.

Through two coronary arteries

e.

By diffusion through the pericardium

Question number: 385

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Tricuspid valve is found in between.

Choices

Choice (5)Response

a.

Sinus venosus and right auricle

b.

Left ventricle and left auricle

c.

Right auricle and right ventricle

d.

Ventricle and aorta

e.

Question does not provide sufficient data or is vague

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