Sodium depletion differs from water depletion in that

Correct Answer: B

Rationale: Na+ depletion mainly affects ECF, not ICF; water loss raises hematocrit more.

Correct Answer: C

Rationale: A nerve cell or neuron have three parts: Cyton or cell body, Dendrons branching into dendrites, and Axon. Tendons are connective tissue, not part of neurons.

Correct Answer: C

Rationale: Cork is outermost layer of old stem consisting of dead cells with no intercellular spaces. It has a deposit of suberin which is impermeable to water and gases.

Correct Answer: B

Rationale: Connective tissue consists of cells, ground substance, and protein fibers (e.g., collagen, elastin), forming its extracellular matrix.

Correct Answer: C

Rationale: Redness, heat, and swelling are local signs of inflammation; fever is a systemic response, not a cardinal sign.