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Mike, a 32-year-old with a suspected immunodeficiency, is undergoing diagnostic tests.
Which type of lymphocytes are responsible for either generating sensitized lymphocytes or antibodies?

A.

B lymphocytes

B.

Suppressor T cells

C.

T cells

D.

Hematopoietic stem cells

E.

Hematopoietic stem cells

Answer and Explanation

The Correct Answer is A

A.    B lymphocytes, also known as B cells, are responsible for generating sensitized lymphocytes (memory cells) and antibodies (immunoglobulins).
B.    Suppressor T cells (T regulatory cells) are involved in modulating the immune response, but they do not generate sensitized lymphocytes or antibodies.
C.    T cells play various roles in the immune response, including cell-mediated immunity, but they are not primarily responsible for generating antibodies.
D.    Hematopoietic stem cells are multipotent stem cells that give rise to all blood cells, including B and T lymphocytes, but they do not directly generate sensitized lymphocytes or antibodies.
 


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Related Questions

Correct Answer is C

Explanation

A. Wearing sunglasses is not relevant to the side effects or precautions associated with ciprofloxacin.
B. Ciprofloxacin does not cause artificial tanning.

C. Ciprofloxacin can increase sensitivity to sunlight, leading to sunburn. Using sunscreen with a high SPF can help prevent sunburn while taking this medication.
D. Sun exposure does not typically affect the effectiveness of ciprofloxacin, but it can increase the risk of sunburn due to photosensitivity.

Correct Answer is B

Explanation

A. While impaired mucociliary clearance can contribute to respiratory symptoms in COPD, it is not directly reflected in the PaCO2 level.
B. In COPD, the respiratory drive can be blunted, leading to inadequate response to elevated PaCO2 levels by the chemoreceptors.
C. Reflex bronchoconstriction may occur in response to various stimuli but is not directly related to the PaCO2 level.
D. Filtration of air primarily refers to the removal of particulate matter and pathogens by the respiratory system and is not directly related to PaCO2 levels.

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