Ch. 40 - Mechanisms of Endocrine Control

What are the functions of Norepinephrine? (4)

What are the Monoamine hormones? (3)

What are the Peptide hormones? (3)

-that contain lipids synthesized from cholesterol and eicosanoids that contain lipids synthesized from the fatty acid chains of phospholipids found in the plasma membrane

______ and ______ are synthesized and stored in vesicles of the cytoplasm until secretion is required.

-are secreted upon synthesis.

Hormone levels are primarily controlled through ______ feedback, in which rising levels of a hormone inhibits its further release.

_______ stimuli refers to control of hormonal release in response to changes in ECF & ion levels.

A rise in blood glucose levels triggers release of insulin from the pancreas is an example of what type of stimuli?

a) neural

b) hormonal

c) humoral

-refers to the release of hormones in response to hormones released by other endocrine glands

Inhibiting hormone release from the hypothalamus is an example of what type of stimuli?

a) neural

b) hormonal

c) humoral

- refers to the release of hormones in response to neural stimulation.

Stress-induced cortisone release is an example of what type of stimuli?

a) neural

b) hormonal

c) humoral

Which hormones circulate unbound in the blood?

a) peptide

b) steroid

c) protein

d) thyroid

Which hormones are attached to specific carrier proteins?

a) peptide

b) steroid

c) protein

d) thyroid

Target cell activation is dependent on three factors, those are?

-described as the time it takes for the blood plasma concentration of a hormone to halve (plasma half-life) its steady-state.

Which hormone(s) are affected by the sleep-wake cycle?

Which hormone(s) are secreted in a complicated cyclic manner?

-produce thyrotropin, also called thyroid stimulating hormone (TSH)

-produce corticotrophin, also called adrenocorticotropic hormone (ACTH)

What are our gonadotropins?

-produce growth hormone

-produce prolactin

Which gland is referred to as the "master gland" that regulates all other endocrine glands and releases growth hormone?

a) pituitary

b) thyroid

c) parathyroid

d) hypothalamus

e) adrenal

f) pancreas

g) ovaries

h) testes

i) thymus

Which gland is responsible for regulating metabolism, body heat, and bone growth?

a) pituitary

b) thyroid

c) parathyroid

d) hypothalamus

e) adrenal

f) pancreas

g) ovaries

h) testes

i) thymus

Which gland is responsible for the regulation of calcium and phosphorus use?

a) pituitary

b) thyroid

c) parathyroid

d) hypothalamus

e) adrenal

f) pancreas

g) ovaries

h) testes

i) thymus

Which gland links the nervous system to the endocrine system?

a) pituitary

b) thyroid

c) parathyroid

d) hypothalamus

e) adrenal

f) pancreas

g) ovaries

h) testes

i) thymus

Which gland is responsible for responding to emergency or stressful situations?

a) pituitary

b) thyroid

c) parathyroid

d) hypothalamus

e) adrenal

f) pancreas

g) ovaries

h) testes

i) thymus

Which gland regulates blood sugar?

a) pituitary

b) thyroid

c) parathyroid

d) hypothalamus

e) adrenal

f) pancreas

g) ovaries

h) testes

i) thymus

Which gland is part of the immune system?

a) pituitary

b) thyroid

c) parathyroid

d) hypothalamus

e) adrenal

f) pancreas

g) ovaries

h) testes

i) thymus

What is the Sequence of Events in Negative Feedback Mechanism? (7)

The _____ & ______ are responsible for breaking down hormones.

Hormones interact with ______ affinity receptors.

Receptors on the surface of cells act through _________

-modulate the synthesis of enzymes, transport proteins, or structural proteins.

Which hormones stimulate cAMP second-messenger system?

a) glucagon

b) insulin

c) growth hormone

d) calcitonin

e) epinephrine/norepinephrine

f) angiotensin II

g) atrial naturetic hormone

h) nitric oxide

Which hormones stimulate Protein-kinase activity? (2)

Which hormones stimulate calcium & phosphoinositides?(2)

Which hormones stimulate cGMP? (2)

Which hormones stimulate cAMP?(6)