Sodium retention

Correct Answer: C

Rationale: Aldosterone retains Na+, expanding ECF and blood volume; common post-surgery.

Correct Answer: B

Rationale: Skeletal muscles or striated muscles are in the body wall and the limbs, i.e., biceps and triceps of arms, legs. The contraction and relaxation of these muscles are in the control of organism, called voluntary muscles.

Correct Answer: A

Rationale: Parenchyma is simple permanent tissue cells of thin walls and contain intercellular spaces to store food, nutrients and water.

Correct Answer: C

Rationale: Pseudostratified ciliated columnar epithelium, with cilia, moves particles like mucus across its surface, as in the respiratory tract.

Correct Answer: B

Rationale: The axon conducts the nerve impulse away from the neuron's cell body.