AP (Advanced Placement) Biology: Questions 348 - 352 of 868

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Question number: 348

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

The pace setter in the heart is called.

Choices

Choice (5)Response

a.

Purkinje fibres

b.

Atrio-ventricular node (AVN)

c.

Sino-atrial node (SAN)

d.

Papillary muscle

e.

Question does not provide sufficient data or is vague

Question number: 349

» Specialized Cell and Tissues

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MCQ▾

Question

The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of.

Choices

Choice (5)Response

a.

Sinoatrial node

b.

Purkinje system

c.

Atrioventricular bundle

d.

Atrioventricular node

e.

Question does not provide sufficient data or is vague

Question number: 350

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Pathway of myogenic impulse conduction is.

Choices

Choice (5)Response

a.

AVN - Bundle of His - SAN - Purkinje fibres

b.

SAN - AVN - Purkinje fibres - Bundle of His

c.

SAN - AVN - Bundle of His - Purkinje fibres

d.

AVN - SAN - Bundle of His - Purkinje fibres

e.

All of the above

Question number: 351

» Nervous & Endocrine Systems

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MCQ▾

Question

Arteries carry oxygenated blood except.

Choices

Choice (5)Response

a.

Hepatic

b.

Systemic

c.

Pulmonary

d.

Cardiac

e.

None of the above

Question number: 352

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Which one of the following has an open circulatory system?

Choices

Choice (5)Response

a.

Pheretima

b.

Periplaneta

c.

Octopus

d.

Hirudinaria

e.

All of the above

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