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Chemical Structure Groups: Lipid Derivatives and Eicosanoids

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Questions and Answers

Which of the following is NOT a function of eicosanoids?

Regulating enzymatic processes like blood clotting
Coordinating cellular activities in extracellular fluids
Serving as primary hormones in the body (correct)
Acting as paracrine factors

Which of the following statements about steroid hormones is FALSE?

They are bound to specific transport proteins in the blood
They have a shorter circulation time than peptide hormones (correct)
They are derived from cholesterol
They are released by the adrenal gland, reproductive organs, and kidneys

Which of the following is NOT a source of steroid hormones?

Adrenal gland
Testes (in males)
Ovaries (in females)
Pancreas (correct)

Which group of lipid derivatives is primarily involved in coordinating local cellular activities?

Prostaglandins (A) Signup and view all the answers

What is the primary role of leukotrienes, according to the information provided?

Secondary roles as hormones (B) Signup and view all the answers

What is the primary role of thyrotropin-releasing hormone (TRH) produced by the hypothalamus?

To stimulate the release of thyroid-stimulating hormone (TSH) from the anterior pituitary gland (D) Signup and view all the answers

Which hormone produced by the anterior pituitary gland is responsible for regulating reproductive processes by stimulating the development of eggs or sperm in the gonads?

Follicle-stimulating hormone (FSH) (D) Signup and view all the answers

Which hormone produced by the hypothalamus stimulates the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH)?

Gonadotropin-releasing hormone (GnRH) (C) Signup and view all the answers

What is the primary function of growth hormone (GH) produced by the anterior pituitary gland?

To promote growth during childhood and adolescence by influencing protein production and lipolysis (A) Signup and view all the answers

Which hormone produced by the hypothalamus stimulates the anterior pituitary gland to release growth hormone (GH)?

Growth hormone-releasing hormone (GHRH) (A) Signup and view all the answers

Which of the following hormones is primarily responsible for regulating skeletal growth and body composition?

Growth hormone-releasing hormone (GHRH) (A) Signup and view all the answers

Which pituitary hormone is directly stimulated by thyrotropin-releasing hormone (TRH) released from the hypothalamus?

Thyroid-stimulating hormone (TSH) (C) Signup and view all the answers

Which of the following is a primary function of the hypothalamus in regulating the endocrine system?

Both b and c (C) Signup and view all the answers

Which hormone released by the hypothalamus is responsible for stimulating the anterior pituitary gland to secrete gonadotropins, such as follicle-stimulating hormone (FSH) and luteinizing hormone (LH)?

Gonadotropin-releasing hormone (GnRH) (A) Signup and view all the answers

Which of the following statements about the relationship between the hypothalamus and the anterior pituitary gland is TRUE?

The hypothalamus releases hormones that stimulate the anterior pituitary gland to secrete its own hormones. (C) Signup and view all the answers

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