Lecture 10 Endocrine system

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What is the primary way hormones are transported to target cells?

Through the lymphatic system

Through the nervous system

Through the interstitial fluid

Through the bloodstream (correct)

What is the function of the receptors on target cells?

To stimulate the nervous system

To break down hormones

To bind to hormones (correct)

To produce hormones

Which glands have only endocrine functions?

Pancreas, ovaries, and testes

Pituitary, thyroid, and parathyroid (correct)

Kidneys, stomach, and liver

Hypothalamus, thymus, and pancreas

What is the role of the nervous system in relation to the endocrine system?

To release neurotransmitters Signup and view all the answers

How do hormones affect target cells?

By binding to specific receptors Signup and view all the answers

What is the characteristic of exocrine glands?

They secrete products into ducts Signup and view all the answers

Which type of hormone binds to receptors within target cells?

Lipid-Soluble Hormones Signup and view all the answers

Which gland is responsible for secreting releasing and inhibiting hormones that control the release of hormones by the pituitary gland?

Hypothalamus Signup and view all the answers

What is the main function of parathyroid hormone (PTH)?

Increase calcium levels in the blood Signup and view all the answers

What is the result of hypothyroidism in adults?

Myxedema Signup and view all the answers

Which type of hormone is derived from cholesterol?

Steroid Hormones Signup and view all the answers

Which hormone is responsible for stimulating protein synthesis?

Thyroid hormone Signup and view all the answers

What is the function of the posterior pituitary gland?

Releases hormones made by the hypothalamus Signup and view all the answers

What is the term for the process by which hormone regulation is achieved?

Negative feedback Signup and view all the answers

Which hormone is responsible for maintaining normal body temperature?

Thyroid hormone Signup and view all the answers

What is the result of hyperthyroidism?

Weight loss Signup and view all the answers

What is the primary function of calcitonin in the body?

To decrease blood calcium levels Signup and view all the answers

What type of hormones does the adrenal cortex produce?

Glucocorticoids, mineralocorticoids, and androgens Signup and view all the answers

What is the function of the pancreatic islets?

To regulate blood sugar levels Signup and view all the answers

What is the primary function of insulin in the body?

To decrease blood glucose levels Signup and view all the answers

What is the function of relaxin during pregnancy?

To increase flexibility of the pubic symphysis Signup and view all the answers

What is the function of inhibin in the body?

To inhibit the secretion of follicle-stimulating hormone (FSH) Signup and view all the answers

Lipid soluble hormones?

Steroid, thyroid, nitric oxide Signup and view all the answers

Water soluble hormones?

Amine, Peptide and protein, eicosanoid Signup and view all the answers

What is master of pituitary gland?

Hypothalamus Signup and view all the answers

Anterior pituitary gland called? Posterior?

Adenohypophysis Neurohypophysis Signup and view all the answers

Anterior lobe of pituitary gland produces?

hGH TSH FSH (follicle) LH (luteinizing) ACTH (adrenocorticotropic) MSH (Melanocyte Stimulating) Signup and view all the answers

Posterior lobe of pituitary gland produces?

ADH and oxytocin Signup and view all the answers

What are follicle stimulating hormones stimulated by? and they produce?

TSH and they produce T4 and T3 Signup and view all the answers

Parafollicular cells from thyroid gland secrete?

Calcitonin Signup and view all the answers

Patathyroid hormone is released from what gland and does what?

Released from parathyroid hormone and increases calcium in blood Signup and view all the answers

Adrenal cortex secretes?

Steroid hormones (outer=aldosterone (mineralocorticoids), Middle=cortisone and corticosterone (glucocorticoids), Inner=androgens Signup and view all the answers

Adrenal medulla secretes?

Has chromaffin cells that secrete epinephrine or adrenaline and norepinephrine or noreadrenaline Signup and view all the answers

Islets of langerhans come from what organ?

Pancreas Signup and view all the answers

Pancreas has alpha and beta cells, what does each secrete?

Alpha=glucagon (raises glucose) Beta=Insulin (lowers glucose) Signup and view all the answers

Inhibin does what?

Inhibits secretion of FSH (remember bc INHIBIN=INHIBITS) Signup and view all the answers

Lecture 10 Endocrine system - A+P2

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