COMPREHENSIVE EXAMINATION 2026
QUESTIONS WITH SOLUTIONS GRADED A+
◉Beige/brown fat. Answer: - high mitochondrial content
- highly thermogenic: allows for increased enzyme activity
- influenced by thyroid hormone
- uncoupling protein (UCPI)
◉Immune System: Acquired vs Innate Immunity. Answer: Innate:
immunity that responds in a non-specific manner
Acquired: immune system that is developed after body is first
attacked
◉Innate immunity:. Answer: Immunity that responds in a non-
specific manner
- body's initial response
- provides no long-term protection
- natural killer cells and phagocytes
, - granulocytes (neutrophil, mast cells, and eosinophils)
◉Acquired Immunity. Answer: Immune system that is developed
after body is first attacked
- specific to previous exposures
- weeks to months to develop
- long lasting protection
- B & T cells
◉Humoral Immunity. Answer: - cells are produced in bone marrow
that work inside fluids
- B-cells & T-helper 2 (TH2)
◉Cell-mediated Immunity. Answer: - cells are produced in thymus
and go around the entire body
- T-cells and T-helper 1: actively check cells in the body to see if they
are functioning properly
◉B-cells (acquired immunity). Answer: 1. Finds antigens
2. Binds to antigens
3. Sends out signal to T-cells "antigen over here!"
4. T-cells identify antigen as foreign to the body