In hypermetropia the eye ball is

ATI RN

ATI RN Test Bank

In hypermetropia the eye ball is---

A. Too short B. Too long C. Too watery D. Too dry

Correct Answer: A

Rationale: In hypermetropia, the eyeball is too short, causing difficulty in focusing on nearby objects.

What tissue has cells that are closely packed and that have one surface attached to a basement membrane and the other free to a space?

A. epithelial tissue B. muscle tissue C. connective tissue D. nervous tissue

Correct Answer: A

Rationale: This is a definition of epithelial tissue.

What is a role performed by mitochondria?

A. contain enzymes capable of digesting molecules B. produce ATP C. synthesise proteins D. synthesise fatty acids, phospholipids& cholesterol

Correct Answer: B

Rationale: Mitochondria produce ATP. The other tasks are performed by lysosomes, ribosomes and endoplasmic reticulum respectively.

What do fibroblasts, chondroblasts, osteoblasts and haemocytoblasts have in common?

A. they are all types of white blood cell. B. they are all macrophages. C. they are all immature cells. D. they are all types of epithelial cell.

Correct Answer: C

Rationale: The suffix "-blast" implies that these cells have not yet finished their differentiation. That is are immature.

Which of the following is the smallest living structural unit of the body?

A. atom B. molecule C. organelle D. cell

Correct Answer: D

Rationale: The cell is smallest structural unit that is deemed to be alive.

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