Glands that secrete its product onto an outer service or into a cavity are glands and glands that secrete directly into the blood stream are glands.

Correct Answer: B

Rationale: Exocrine glands secrete externally (e.g., sweat); endocrine glands secrete into blood (e.g., hormones).

Correct Answer: C

Rationale: Afferent neurons transmit sensory information from receptors to the central nervous system (CNS).

Correct Answer: A

Rationale: The epidermis is the outermost layer of the skin.

Correct Answer: A

Rationale: Lymphatic fluid is slightly alkaline in nature.

Correct Answer: A

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