Question

which of the following statements regarding glands is not true?
exocrine glands release their secretions into a duct to the outside of the body.
endocrine glands release hormones directly into the bloodstream.
sweat glands are an example of exocrine glands.
exocrine glands are also referred to as ductless glands.

Explanation:

• Exocrine glands have ducts. They release their secretions (like sweat from sweat glands) through these ducts to the outside of the body or into body cavities. So, options A and C are correct.
• Endocrine glands are ductless. They release hormones directly into the bloodstream. Option B is correct.
• Exocrine glands are not ductless. Ductless glands are endocrine glands. So, option D is incorrect.

Answer:

D. Exocrine glands are also referred to as ductless glands.