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A&P Ch 20
Endocrine System
| Question | Answer |
|---|---|
| Of the endocrine glands, this gland in the brain secretes melatonin in response to decreasing sunlight. | Pineal Gland |
| Of the endocrine glands, the hormones from this gland help regulate metabolism: | Thryoid gland |
| Of the endocrine glands, the hormones from this gland help regulate blood calcium levels. | Parathyroid Glands |
| This endocrine gland produces cortisol and releases it in times of stress as well as it produces adrenalin. | Adrenal glands |
| The male endocrine gland that produces testosterone. | Testes |
| The female endocrine gland that produces estrogen and progesterone. | Ovary |
| Where is antidiuretic hormone and oxytocin stored and released? | Posterior Pituitary |
| Where are ACTH, FSH, hGH, LH, PRL and TSH produced? | Anterior Pituitary |
| Where are the releasing hormones and inhibiting hormones that regulate output from the anterior pituitary produced? | Hypothalamus |
| Where do the releasing hormones and inhibiting hormones that regulate output from the anterior pituitary reach the anterior pituitary? | Hypophyseal portal veins |
| Which cell secretes glucagon in the pancreatic islet? | Alpha cell |
| Which cell secretes the blood glucose-reducing hormone and secretes insulin of the pancreatic islet? | Beta cell |
| Which cell secretes the hormone that raises blood glucose of the pancreatic islet? | Alpha Cell |
| Which cells of the adrenal gland secrete mainly aldosterone? | Adrenal Cortex: Outer zone secretes mineralocorticoids, mainly aldosterone |
| Which cells of the adrenal gland secrete androgens? | Inner zone |
| Which cells of the adrenal gland secrete epinephrine or adrenaline? | Adrenal Medulla |
| Which cells of the adrenal gland secrete cortisol and other glucocorticoids? | Middle zone |
| List 3 endocrine glands | Adrenal gland, Thyroid gland, and Parathyroid gland |
| Generally, how many receptors for a hormone can be found on a target cell? | 2,000- 100,000 |
| The lipid soluble hormones include | Thyroid hormones, Steroids, Nitric Oxide |
| List the following ways hormone secretion is regulated? | Signals from the nervous system, Chemical changes in the blood, and The action of other hormones |
| What controls the anterior pituitary gland? | Action of hypothalamic hormones |
| Which of the following anterior pituitary hormones stimulates growth? | Human growth hormone |
| Which of the anterior pituitary hormones stimulates milk production? | Prolactin |
| Which of the anterior pituitary hormones stimulates the production of cortisol? | Adrenocorticotropic hormone |
| Which of the anterior pituitary hormones stimulates sex cell production? | Luteinizing hormone |
| Which hormones does the posterior pituitary produce? | Oxytocin and antidiuretic hormone |
| The amount of ADH (antidiurectic hormone)that is secreted varies with | Blood osmotic pressure |
| Which of the glands regulate basal metabolic rate? | Thyroid gland |
| Which hormone promotes basal metabolic rate? | Thyroid hormone |
| Which of the hormones opposes the action of parathyroid hormone? | Calcitonin |
| Parathyroid hormone is the major regulator of which ions in the blood? | Calcium |
| Which blood glucose-lowering hormone is produced by the pancreatic islet cells? | Insulin |
| Which hormone is stimulated by decreases in blood glucose? | Glucagon |
| What is a role of aldosterone? | Increase reabsorption of sodium ions from urine |
| List 3 effects of the glucocorticoid; | Glucose formation, Immune suppression, Reduction of inflammation |
| The hormone that controls release of the stress hormone, cortisol, from the adrenal glands is | ACTH =Adrenocorticotropic Hormone |