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Q1. Which level of structural organization is the simplest and represents
the basic unit of life?
A. Organ
B. Tissue
C. Cell
D. Organism
Answer: C. Cell
Rationale: Cells are the smallest living units and serve as the building
blocks of tissues and organs.
Q2. Which organ system is primarily responsible for producing hormones
that regulate growth, metabolism, and reproduction?
A. Respiratory system
B. Endocrine system
C. Digestive system
D. Lymphatic system
Answer: B. Endocrine system
Rationale: Endocrine glands secrete hormones into the blood to
control long-term processes such as growth and reproduction.
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Q3. Which of the following best describes the anatomical position?
A. Lying face down with palms up
B. Standing upright, facing forward, arms at sides, palms forward
C. Lying on the back with palms down
D. Sitting with arms crossed
Answer: B. Standing upright, facing forward, arms at sides,
palms forward
Rationale: The anatomical position is the universal reference point
for anatomical terminology.
Q4. Which body system is responsible for transporting oxygen, nutrients,
and hormones throughout the body?
A. Nervous system
B. Cardiovascular system
C. Integumentary system
D. Skeletal system
Answer: B. Cardiovascular system
Rationale: The heart and blood vessels form the cardiovascular
system, which delivers essential substances to tissues.