Enzymes allow reactions to occur at normal body te

ATI RN

ATI RN Test Bank

Enzymes allow reactions to occur at normal body temperatures by:

A. decreasing pH B. increasing pH C. decreasing energy of activation D. increasing energy of activation

Correct Answer: C

Rationale: Enzymes lower the activation energy, speeding reactions at physiological temperatures.

What special type of epithelium is found in the urinary bladder that allows distention?

A. transitional B. simple squamous C. stratified squamous D. pseudostratified columnar

Correct Answer: A

Rationale: Transitional epithelium stretches and recoils in the bladder as it fills and empties.

Chondrocytes are cells associated with:

A. loose connective tissue B. adipose tissue C. cartilage D. fibrous connective tissue

Correct Answer: C

Rationale: Chondrocytes are cartilage cells, producing and maintaining the cartilaginous matrix.

Identify the type of muscle tissue that is formed from multinucleated, cylindrical cells.

A. skeletal muscle B. smooth muscle C. cardiac muscle D.

Correct Answer: A

Rationale: Skeletal muscle cells are long, cylindrical, and multinucleated.

What consists of one or more cells that produce and secrete a product?

A. gland B. epithelium C. desmosome D. chromosome

Correct Answer: A

Rationale: Glands are specialized cells or groups secreting products (e.g., hormones, mucus).

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