Multiple Choice
Which lymphoid organ produces hormones that direct the maturation of T lymphocytes?
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21. The Immune System
Introduction to the Immune System
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Umberto was referred to a/an ______ who specializes in diagnosing and treating blood disorders.
A
hematologist
B
cardiologist
C
neurologist
D
immunologist
Verified step by step guidance1
Step 1: Understand the context of the question. The problem is asking for a specialist who diagnoses and treats blood disorders. This requires knowledge of medical specialties.
Step 2: Review the definitions of the given options:
- Hematologist: A medical specialist focused on blood and blood-related disorders.
- Cardiologist: A specialist in heart and cardiovascular system diseases.
- Neurologist: A specialist in disorders of the nervous system.
- Immunologist: A specialist in immune system disorders.
Step 3: Identify the key term 'blood disorders' in the question. This term directly relates to the study and treatment of blood, which is the domain of hematology.
Step 4: Eliminate incorrect options based on their definitions. Cardiologist, neurologist, and immunologist do not specialize in blood disorders, so they are not the correct answer.
Step 5: Conclude that the correct answer is 'hematologist,' as this specialist is trained to diagnose and treat conditions related to blood.
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