Bio 109 LECTURE EXAM 2 Questions and Correct Answers Guaranteed A+

Bio 109 LECTURE EXAM 2 Questions and
Correct Answers Guaranteed A+!
Name the 3 groups of hormones

amino acid derivatives, peptide hormones, and lipid derivatives

What are peptide hormones?

chains of amino acids

How do hormones exert their effects?

modifying the activities of target cells

target cell

peripheral cells that are sensitive to that particular hormone

How does the hypothalamus regulate activities of the nervous and endocrine systems?

1.) It synthesizes and secretes 2 hormones into the bloodstream at the posterior lobe of the

pituitary gland

2.) It secretes regulatory hormones that control the activities of endocrine cells in the anterior

lobe of the pituitary gland

3.) It exerts direct neural control over the endocrine cells of the adrenal medullae

Name the 9 hormones (peptide) the pituitary gland releases

1.) Thyroid-Stimulating Hormone (TSH)

2.) Adrenocorticotropic Hormone (ACTH)

3.) Follicle-Stimulating Hormone (FSH)

, 4.) Luteinizing Hormone (LH)

5.) Prolactin (PRL)

6.) Growth Hormone (GH)

7.) Melanocyte-Stimulating Hormone (MSH)

8.)Antidiuretic Hormone (ADH)

9.) Oxytocin (OXT)

Thyroid Stimulating Hormone (TSH)

triggers release of thyroid hormones (anterior lobe of pituitary)

Adrenocorticotropic hormone (ACTH)

stimulates the release of glucocorticoids by the adrenal gland (anterior lobe of pituitary)

Follicle-stimulating hormone (FSH)

stimulates estrogen secretion and egg development in females and sperm production in males

(anterior lobe of pituitary)

Luteinizing Hormone (LH)

causes ovulation; stimulates the secretion of progesterone in females and androgen in males

(anterior lobe of pituitary)

Prolactin (PRL)

Stimulates milk production in mammary glands. (anterior lobe of pituitary)

Growth Hormone (GH)