Tendons and ligaments are primarily composed of wh

ATI RN

ATI RN Test Bank

Tendons and ligaments are primarily composed of which connective tissue type?

A. Dense regular connective tissue B. Elastic connective tissue C. Areolar connective tissue D. Reticular connective tissue

Correct Answer: A

Rationale: Dense regular connective tissue forms tendons and ligaments for strength.

In humans, how many chromosomes are present in a normal somatic cell?

A. 23 B. 46 C. 22 D. 20

Correct Answer: B

Rationale: Human somatic cells are diploid, containing 46 chromosomes (23 pairs).

Which organelle is responsible for detoxifying harmful substances in the cell?

A. Lysosome B. Peroxisome C. Endoplasmic reticulum D. Golgi apparatus

Correct Answer: B

Rationale: Peroxisomes break down toxic substances like hydrogen peroxide.

In which stage of mitosis do sister chromatids separate and move toward opposite poles of the cell?

A. Prophase B. Metaphase C. Anaphase D. Telophase

Correct Answer: C

Rationale: Anaphase is when sister chromatids are pulled apart to opposite poles.

Which type of cellular transport does NOT require the input of energy?

A. Active transport B. Facilitated diffusion C. Simple diffusion D. Osmosis

Correct Answer: C

Rationale: Simple diffusion is passive and does not require energy.

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