Alopecia (hair loss) is seen in which condition?

NIMHANS Nursing Officer - 2021

Medical & Surgical Nursing (E5)

Medium

Appeared in: NIMHANS Nursing Officer - 2021

Explanation

Alopecia (hair loss) is strongly associated with treatments like chemotherapy, which work by targeting rapidly dividing cells.
Bone marrow cells are also rapidly dividing and are responsible for producing blood cells. Chemotherapy suppresses their activity, leading to bone marrow depression (myelosuppression).
Since both hair follicle cells and bone marrow cells are highly proliferative, the same cytotoxic agents that cause alopecia also cause bone marrow depression.
Therefore, alopecia is a clinical sign frequently seen in conjunction with bone marrow depression due to a shared cause.

Option B: Bone marrow formation is a normal, healthy physiological process of creating new blood cells. It is the opposite of bone marrow depression and is not associated with hair loss.
Option C: This option is too broad. While patients undergoing chemotherapy experience both immunosuppression (due to bone marrow depression) and alopecia, a person can be immunosuppressed for other reasons (e.g., HIV, organ transplant drugs) that do not typically cause alopecia. The direct link is between the cytotoxic therapy and its effect on rapidly dividing cells in both the hair follicles and bone marrow.
Option D: 'Immunoexpress patient' is not a recognized or standard medical term, making it an invalid option.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Side effects of cytotoxic therapy as background academic context rather than a clinical decision trigger.
Nurses play a crucial role in managing patients undergoing chemotherapy. This includes educating them about expected side effects like alopecia and bone marrow depression.
Patient education should cover the timeline (hair loss often begins 1-3 weeks after starting treatment), scalp care (using soft brushes, avoiding harsh chemicals), and options like scalp cooling (cold caps) to potentially reduce hair loss.
Monitoring for bone marrow depression is critical. Nurses must watch for signs of infection (fever, sore throat), bleeding (petechiae, bruising), and anemia (fatigue, pallor) and check lab results (CBC).

How to Approach the Question

First, identify the key term in the question: 'Alopecia' (hair loss).
Recall the most common and clinically significant causes of sudden, diffuse hair loss in a medical context. Chemotherapy and radiation are primary examples.
Think about the mechanism of these treatments. They target rapidly dividing cells.
Analyze the options to see which one is also related to the destruction of rapidly dividing cells.
Option A, 'Bone Marrow Depression,' is a direct result of chemotherapy's effect on the rapidly dividing cells of the bone marrow.
Evaluate the other options: 'Bone Marrow formation' is a normal process, 'Immunosuppressed patient' is a related but less specific consequence, and 'Immunoexpress patient' is not a valid term.

Concept Tested & Keywords

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E6 Medicine Harrison 22e Part 1 pp. 435-437, 436-438