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ATI LPN · Anatomy and Physiology · Lymphatic System Practice Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Regional enlargement of lymph nodes may be due to:

A. Inflammation of the part of the body drained by these lymph nodes

B. Spread of cancer via blood stream

C. Acute leukaemia

D. Chronic leukaemia

Correct Answer: Inflammation of the part of the body drained by these lymph nodes

Question 2 of 5

The first vaccination provides immunity because

A. a localized inflammatory response is initiated

B. the vaccine contains manufactured antibodies against smallpox

C. antigenic determinants in the vaccine activate B cells, which form plasma cells as well as memory cells

D. the vaccine contains antibiotics and other drugs that kill the smallpox virus

Correct Answer: antigenic determinants in the vaccine activate B cells, which form plasma cells as well as memory cells

Question 3 of 5

Complete the following sentence. A feature which does not describe patients presenting with x-linked hyper IgM syndrome is.

A. T cells that do not express CD40L

B. B cells that cannot undergo isotype switching

C. They present normal levels of all antibody isotypes, however only IgM is functional

D. Are highly susceptible to infections with pyogenic bacteria

Correct Answer: They present normal levels of all antibody isotypes, however only IgM is functional

Question 4 of 5

Which cells are professional phagocytes?

A. T cells

B. B cells

C. Macrophages and neutrophils

D. Natural killer cells

Correct Answer: Macrophages and neutrophils

Question 5 of 5

The thymus gland is located within the:

A. abdominal cavity, inferior to the liver

B. abdominal cavity, posterior to the stomach

C. thoracic cavity, inferior to the heart

D. thoracic cavity, between the trachea and the sternum

Correct Answer: thoracic cavity, between the trachea and the sternum

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