Intervertebral discs are composed of

ATI RN

ATI RN Test Bank

Intervertebral discs are composed of:

A. elastic connective tissue B. elastic cartilage C. hyaline cartilage D. fibrocartilage

Correct Answer: D

Rationale: Intervertebral discs are fibrocartilage, providing strength and flexibility.

Which of the following would NOT be found in the cytoplasm?

A. chromatin B. endoplasmic reticulum C. peroxisomes D. mitochondria

Correct Answer: A

Rationale: Chromatin is in the nucleus, not the cytoplasm; the others are cytoplasmic organelles.

Cell eating is also known as

A. phagocytosis B. exocytosis C. pinocytosis D. cell pumping

Correct Answer: A

Rationale: Phagocytosis is the process of engulfing large particles, often called 'cell eating.'

Mitosis functions in:

A. growth B. spermatogenesis C. oogenesis D. B and C, but not A

Correct Answer: A

Rationale: Mitosis is for growth and repair; spermatogenesis and oogenesis involve meiosis.

If a cell has 46 chromosomes before mitosis, the two new cells will have chromosomes.

A. 23 B. 92 C. 46 D. 69

Correct Answer: C

Rationale: Mitosis maintains chromosome number; each daughter cell gets 46.

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