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Which of the following can cause bone marrow suppression?

A.

Vitamin C

B.

Physical exercise

C.

Chemotherapy

D.

Antibiotics

Answer and Explanation

The Correct Answer is C

A.    Vitamin C is not known to cause bone marrow suppression. In fact, it is essential for the proper function of the immune system and the production of collagen.
B.    Physical exercise does not cause bone marrow suppression. Regular exercise can have positive effects on bone health and overall well-being.
C.    Chemotherapy, which is used to treat cancer, can cause bone marrow suppression as a side effect. It affects rapidly dividing cells, including those in the bone marrow responsible for producing blood cells.
D.    Some antibiotics, such as certain types of penicillins and sulfonamides, can rarely cause bone marrow suppression as a side effect. However, this is not a common effect of all antibiotics.
 


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Related Questions

Correct Answer is A

Explanation

A. The activity of the bone marrow is depressed. Aplastic anemia is a condition where the bone marrow fails to produce sufficient numbers of blood cells, including red cells, white cells, and platelets.
B. Red cells are absent as a result of chronic blood loss. This describes a condition like iron- deficiency anemia, not aplastic anemia.
C. The bone marrow fails to produce lymphocytes. Aplastic anemia affects the production of all blood cells, not just lymphocytes.
D. The kidneys fail to produce red blood cells. This describes anemia of chronic kidney disease, not aplastic anemia. In aplastic anemia, the problem lies with the bone marrow, not the kidneys.

Correct Answer is D

Explanation

A. Syphilis can indeed affect many areas of the body, including the brain and heart, but this statement does not specifically address primary syphilis, which is characterized by the appearance of a painless sore (chancre) at the site of infection.
B. Syphilis does not typically resolve on its own. Without treatment, the infection can progress to more severe stages with potentially serious complications.
C. Syphilis is caused by a bacterial infection (Treponema pallidum) and is treated with antibiotics such as penicillin. Antiviral medications are not effective against bacterial infections like syphilis.
D. This statement is accurate and important for the prevention of syphilis transmission. Syphilis can be transmitted through vaginal, anal, or oral sex, but the risk of transmission is lower during oral sex compared to vaginal or anal intercourse.

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