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Thymosin:

A.

Is secreted by all lymph nodes

B.

Is the fluid within the lymph nodes

C.

Is a hormone

D.

Plays no known role

Answer and Explanation

The Correct Answer is C

A. Is secreted by all lymph nodes:

Thymosin is not produced by lymph nodes; it is secreted by the thymus gland.

B. Is the fluid within the lymph nodes:

Lymph fluid circulates within lymph nodes, not thymosin.

 

C. Is a hormone:

Thymosin is a hormone secreted by the thymus that plays a role in the development and differentiation of T lymphocytes.

D. Plays no known role:

Thymosin has an important role in immune system development.

 


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Related Questions

Correct Answer is B

Explanation

A. Advising the patient to avoid all physical activity to prevent strain:

Complete avoidance of activity can lead to stiffness and muscle atrophy. Gentle activity is encouraged.

B. Encouraging the use of compression garments on the affected arm:

Compression garments help prevent or reduce lymphedema by promoting lymph drainage in the affected arm.

C. Instructing the patient to apply heat to the affected arm to reduce swelling:

Heat can exacerbate swelling and inflammation and should be avoided.

D. Recommending the patient to keep the arm elevated at all times:

While occasional elevation may help, constant elevation is impractical and unnecessary. It is not the primary prevention strategy.

Correct Answer is ["B","D"]

Explanation

A. An increase in RBCs

Increased RBCs typically indicate polycythemia or hypoxia-not infection.

B. An increase in neutrophils (WBCs)

Neutrophils increase during bacterial infections as part of the body's defense.

C. Bradycardia

Infection generally causes tachycardia, not bradycardia.

D. Localized edema

Swelling or edema at the site is a common local sign of infection.

E. An increase in platelets

Platelets may vary for many reasons, but elevated levels are not a reliable indicator of infection.

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