AP (Advanced Placement) Biology: Questions 393 - 397 of 868

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Question number: 393

» Specialized Cell and Tissues

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MCQ▾

Question

Sickle cell disease is characterised by.

Choices

Choice (5)Response

a.

Polycythaemia

b.

Leukemia

c.

Hemolytic anaemia

d.

Mental retardation

e.

All of the above

Question number: 394

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Which of the following antibody classes provides the best protection against microbial invasion through the intestinal mucosa?

Choices

Choice (5)Response

a.

IgM

b.

IgA

c.

IgE

d.

IgD

e.

IgG

Question number: 395

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Erythroblastosis fetalis is a blood condition in fetuses caused by

Choices

Choice (5)Response

a.

An attack of maternal antibodies on fetal erythrocytes

b.

An ABO mismatch between father and mother

c.

An Rh mismatch between mother and father

d.

A viral infection that precipitates a cross-reactive antibody response

e.

An ABO mismatch between mother and child

Question number: 396

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Which of the following is NOT descriptive of immunoglobulins?

Choices

Choice (5)Response

a.

They are glycoproteins found in lymph.

b.

They are glycoproteins found in the blood.

c.

They are produced in large quantities by plasma cells.

d.

They neutralize toxins by binding to complementary regions.

e.

They are composed of three chains and one chain.

Question number: 397

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

A vein possesses a large lumen because.

Choices

Choice (5)Response

a.

Tunica interna, tunica nicuiu and tunica externa are thin

b.

Tunica interna and tunica media form a single coat

c.

Tunica media and tunica externa form a single coat

d.

Tunica media is a thin coat

e.

None of the above

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