Engulfing of solid material by cells is called

ATI RN

ATI RN Test Bank

Engulfing of solid material by cells is called:

A. pinocytosis B. phagocytosis C. active transport D. diffusion

Correct Answer: B

Rationale: Phagocytosis involves engulfing solids (e.g., bacteria); pinocytosis is for liquids.

An exocrine gland in which a portion of the secretory cell is discharged with the secretion is termed:

A. apocrine B. merocrine C. endocrine D. holocrine

Correct Answer: A

Rationale: Apocrine glands (e.g., mammary) release part of the cell with secretion; holocrine release whole cells.

Tissue fluid would most likely be found in:

A. loose connective tissue B. reticular tissue C. adipose tissue D. elastic tissue

Correct Answer: A

Rationale: Loose (areolar) connective tissue contains tissue fluid (interstitial fluid) between cells.

Describe the structure of the nuclear envelope.

A. It is double layered with pores. B. It is single layered and solid. C. It is double layered and solid. D. It is single layered with pores.

Correct Answer: A

Rationale: The nuclear envelope is a double membrane with pores for material exchange.

An example of an active transport mechanism is:

A. facilitated diffusion B. osmosis C. pinocytosis D. simple diffusion

Correct Answer: C

Rationale: Pinocytosis is an active process requiring ATP, unlike the passive mechanisms listed.

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