10 Questions
Which gland is considered a 1° endocrine gland?
Thyroid
Which hormone acts on distant target cells in the classical mode of hormone action?
Insulin
Which gland is an example of a 2dry endocrine gland?
Heart
Which type of glands have ducts to carry secretion to membrane surface?
Exocrine glands
Which mode of hormone action exerts effect on the same cells that secrete them?
Autocrine
Which of the following glands is not considered a 1° endocrine gland?
Kidney
Which of the following hormones is an example of a neurohormone?
Acetylcholine
Which of the following glands is an example of a 2dry endocrine gland?
Heart
Which mode of hormone action affects nearby cells?
Paracrine
Which of the following is a function of exocrine glands?
Release nonhormonal substances
Study Notes
Endocrine Glands
- A 1° endocrine gland is considered to be a gland that produces and secretes hormones directly into the bloodstream.
Hormone Action
- The classical mode of hormone action involves hormones acting on distant target cells.
- Autocrine mode of hormone action exerts effects on the same cells that secrete them.
- Paracrine mode of hormone action affects nearby cells.
Exocrine Glands
- Exocrine glands have ducts that carry their secretions to the surface of membranes or skin.
- A function of exocrine glands is to secrete substances onto a surface.
Examples of Glands
- The hypothalamus is an example of a 2° endocrine gland.
- The adrenal medulla is an example of a 2° endocrine gland and also produces neurohormones.
- The pancreas is not considered a 1° endocrine gland.
- Oxytocin is an example of a neurohormone.
Test your knowledge of the endocrine system with this quiz. Explore the primary endocrine glands, hormone interactions, and the functions of ductless glands. Challenge yourself with questions on the role of hormones and their specific receptors in controlling body functions.
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