AP (Advanced Placement) Biology: Questions 413 - 417 of 868

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Question number: 413

» Respiratory Systems

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MCQ▾

Question

When blood pressure is monitored, two values are determined. What occurs within the heart during diastole?

Choices

Choice (5)Response

a.

Atria and Ventricles relax.

b.

The left atrium and left ventricle relax, while the right atrium and right ventricle contract.

c.

The left atrium and left ventricle contract, while the right atrium and right ventricle relax.

d.

All valves are open.

e.

The valves all snap shut.

Question number: 414

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

A differential stain is run by diagnosticians to count the various leukocytes within the blood. Which of the following should always be at the highest level in a healthy person?

Choices

Choice (5)Response

a.

Basophils

b.

Monocytes

c.

Eosinophils

d.

Lymphocytes

e.

Neutrophils

Question number: 415

» Specialized Cell and Tissues

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MCQ▾

Question

AIDS is caused by HIV that principally infects.

Choices

Choice (5)Response

a.

Cytotoxic T cells

b.

Activator B cells

c.

T4 lymphocytes

d.

All lymphocytes

e.

Question does not provide sufficient data or is vague

Question number: 416

» Muscle & Skeletal Systems

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MCQ▾

Question

QRS wave in ECG represents.

Choices

Choice (5)Response

a.

Ventricular diastole

b.

End of ventricular systole

c.

Auricular systole

d.

Ventricular systole

e.

None of the above

Question number: 417

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Blood group AB has.

Choices

Choice (5)Response

a.

Antigen and antibody

b.

No antigen

c.

No antibody

d.

Neither antigen nor antibody

e.

All of the above

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