Tissue types and function · USMLE Step 1

Which of the following best describes the primary functions of connective tissue in the body?

  1. Surface protection, secretion, and nutrient absorption
  2. Support, binding, energy storage, and immune defense
  3. Contraction and generation of body movement
  4. Nerve signal conduction and information processing
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Correct answer: Support, binding, energy storage, and immune defense

Connective tissue provides structural support and binding between tissues, stores energy (e.g., adipose tissue), participates in immune surveillance (e.g., via resident immune cells), and forms the stroma of organs — functions distinct from those of epithelial, muscle, or nerve tissue.

Difficulty: Medium Question 7 of 22

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