Endocrine System Flashcards

1
Q

ductless glands that produce hormones that they release into the blood

A

endocrine glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

biochemicals that travels in the bloodstream and alters the metabolism of one or more cells

A

hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

chemical substances generally released by the endocrine system to regulate and integrate body functions

A

hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

cells with receptor proteins that respond to a particular secreted hormone

A

target cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

each hormone affects only __________ __________ bearing specific receptor molecules

A

target cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

hormones that cannot pass readily through the cell membrane and bind to receptors on the surface of target cells

A

water-soluble hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

these hormones are polar molecules
they include protein hormones, peptide hormones, and most amino acid derivative hormones

A

water-soluble hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

hormones that pass through the cell membrane and binds to receptors inside the cell

A

lipid-soluble hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

hormones that are nonpolar and include steroid hormones, thyroid hormones, and fatty acid derivative hormones

A

lipid-soluble hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

the endocrine glands are activated by other hormones

A

hormonal stimulus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the endocrine glands are activated by changing blood levels of certain ions and nutrients

A

humoral stimulus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the endocrine glands are activated by nerve fibers

A

neural stimulus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

almond-sized part of the brain, produces multiple hormones that influence hormone production in the anterior pituitary gland

A

hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the __________ also produces hormones that are stored in and released by the posterior pituitary gland

A

hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

regulates water levels in the body, blood volume, and blood pressure and is stored in the posterior pituitary gland

A

vasopressin or antidiuretic hormone (ADH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

affects human behavior and the reproductive system and is stored in the posterior pituitary gland

A

oxytocin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

controls the anterior pituitary gland in releasing follicle stimulating hormone (FSH) and luteinizing hormone (LH)

A

gonadotropin releasing hormone (GnRH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

controls the anterior pituitary gland in releasing growth hormone (GH)

A

somatocrinin or growth hormone releasing hormone (GHRH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

controls the pituitary gland in inhibiting growth hormone (GH) and thyroid stimulating hormone (TSH)

A

somatostatin or growth hormone inhibiting hormone (GHIH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

controls the anterior pituitary gland in releasing adrenocorticotropic hormone (ACTH)

A

corticotropin releasing hormone (CRH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

controls the anterior pituitary gland in releasing thyroid stimulating hormone (TSH) and prolactin

A

thyrotropin releasing hormone (TRH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

controls the anterior pituitary gland in releasing prolactin

A

prolactin releasing hormone (PRH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

inhibits the release of prolactin from the anterior pituitary gland

A

prolactin inhibiting hormone (PIH) dopamine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

pea-sized structure attached to a stalk extending from the hypothalamus

A

pituitary gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

it is commonly referred to as the master gland because of the influence it has on secretion of hormones by other endocrine glands

A

pituitary gland or hypophysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

what are the two divisions of the pituitary gland

A

posterior pituitary gland (neurohypophysis)
anterior pituitary gland (adenohypophysis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

the neural component of the pituitary gland

A

posterior pituitary gland (neurohypophysis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

the glandular component of the pituitary gland

A

anterior pituitary gland (adenohypophysis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

hormone that stimulates the kidneys to promote conservation of water, returning water to the blood rather than eliminating water in the urine

A

antidiuretic hormone (ADH) or vasopressin
[posterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

hormone that stimulates mammary glands and uterus for smooth muscle contraction

A

oxytocin
[posterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

promotes growth and development in all tissues by increasing protein synthesis and cell division rates

A

growth hormone (GH) or somatotropin
[anterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

it also regulates metabolism
it plays an important role in regulating blood nutrient levels after a meal and during period of fasting
it also increases glucose synthesis by the liver which releases glucose into the blood

A

growth hormone (GH) or somatotropin
[anterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

hormone that stimulates milk production in mammary glands
it also can enhance progesterone secretion by the ovaries after ovulation

A

prolactin or mammotropin
[anterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

hormone that stimulates the thyroid gland to release its hormones

A

thyroid-stimulating hormone (TSH) / thyrotropin / thyrotropic hormone
[anterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

hormone that stimulates the parts of the adrenal glands to release its hormones
it increases the secretion of cortisol from the adrenal cortex

A

adrenocorticotropic hormone (ACTH)
[anterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

hormone that controls the pigmentation of the skin by stimulating the increased melanin deposition in the skin

A

melanocyte stimulating hormone (MSH)
[anterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

two gonadotropic hormones / gonadotropin

A

follicle-stimulating hormone (FSH)
luteinizing hormone (LH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

stimulates follicle development in the ovaries of women
as the follicles mature, they produce estrogen, and eggs are readies for ovulation
in men, it stimulates sperm development by the testes

A

follicle stimulating hormone (FSH)
[anterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

triggers ovulation of an egg from the ovary and causes the ruptured follicle to produce progesterone and some estrogen
in men, it stimulates testosterone production by the interstitial cells of the testes

A

luteinizing hormone
[anterior pituitary gland]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

it is used for severe hypotension as it maintains blood pressure

A

vasopressin

41
Q

a very rare condition that happens when a child or adolescent has high levels of growth hormone in their body, which causes them to grow very tall

A

gigantism

42
Q

a rare condition where the body produces too much growth hormone, causing body tissues and bones to grow more quickly

A

acromegaly

43
Q

it is a butterfly shaped organ located in the lower neck, anterior to the trachea
consists of two lateral lobes connected by an isthmus

A

thyroid gland

44
Q

controls how much energy our body uses or metabolic rate
contains 4 iodine atoms in each molecule

A

thyroxine (T4)

45
Q

these hormones accelerate metabolic process by increasing the level of specific of enzymes that contribute to oxygen consumption and altering the responsiveness of tissues to other hormones

A

triiodothyronine (T3)

46
Q

these also enhance cell replication necessary for normal growth
contains 3 iodine atoms in each molecule

A

triiodothyronine (T3)

47
Q

secreted in response to high plasma level of calcium and it reduces the plasma level of calcium by increasing its deposition in the bones

A

calcitonin / thyrocalcitonin

48
Q

these are 4 structures situated in the neck and embedded in the posterior aspect of the thyroid gland

A

parathyroid gland

49
Q

it is a medicine used to treat an underactive thyroid gland

A

levothyroxine

50
Q

the thyroid gland and parathyroid gland are removed in a procedure called…

A

thyroidectomy

51
Q

hormone that helps the body maintain stable levels of calcium and phosphorus in the blood

A

parathyroid hormone

52
Q

these glands are a pair of organs attached to the upper portion of each kidney
each of this is two glands with separate independent functions

A

adrenal gland

53
Q

adrenal glands are also called __________ __________, near the superior poles of the kidneys

A

suprarenal glands

54
Q

it is the center portion of the adrenal gland that secretes catecholamines: epinephrine and norepinephrine

A

adrenal medulla (inner portion)

55
Q

this portion of the adrenal gland functions as part of the autonomic nervous system
its secretory products are neurohormones

A

adrenal medulla

56
Q

portion of the adrenal gland that secretes steroid hormones

A

adrenal cortex (outer portion)

57
Q

the secretion of hormones from the adrenal cortex is regulated by the __________ __________ following the negative feedback mechanism

A

hypothalamic-pituitary-adrenal axis

58
Q

__________ __________ make it possible for the body to adapt to stress of all kinds

A

adrenocortical secretions

59
Q

hormones secreted by the adrenal medulla

A

catecholamines:
epinephrine / adrenaline
norepinephrine / noradrenaline

60
Q

they stimulate the fight or flight response needed in certain circumstances

A

catecholamines

61
Q

it causes decreased blood flow to tissues that are not needed in emergency situations such as the GIT, and increased blood flow to tissues that are important for effective fight or flight such as cardiac and skeletal muscle
these hormones also elevate that blood glucose levels and the basal metabolic rate

A

catecholamines

62
Q

hormones that stimulate the kidneys to maintain blood volume and salt balance

A

mineralocorticoids

63
Q

stimulates that kidneys to reabsorb sodium ions and water to the blood while excreting potassium ions
this action conserves water and increases blood pressure, which is especially important in compensating for fluid loss from severe bleeding
it is secreted under low blood pressure conditions

A

aldosterone

64
Q

hormones that are essential in the body’s response to prolonged stress
they increase glucose levels in the blood and all tissues as well as glycogen deposits in the cells

A

glucocorticoids

65
Q

these hormones increase lipid catabolism, decrease glucose and amino acid uptake in skeletal muscle, increase gluconeogenesis, and increase protein degradation

A

glucocorticoids

66
Q

mobilizes energy reserves by stimulating the production of glucose from amino acids

A

cortisol

67
Q

this hormone also indirectly constricts blood vessels, which slows blood loss and prevents inflammation after an injury

A

cortisol

68
Q

are steroid hormones produced by the adrenal cortex that exert effect similar to those of the male sex hormones
the adrenal gland may also secrete small amounts of some estrogens, or female sex hormones

A

adrenal androgens

69
Q

it is a generic term for steroid hormones that cause the development of male secondary sex characteristics

A

androgen

70
Q

it is an elongated gland, about the size of a hand. located beneath the stomach and attached to the small intestine
it has endocrine as well as exocrine functions

A

pancreas

71
Q

what are the exocrine functions of the pancreas

A

secretion of pancreatic enzymes into the gastrointestinal (GI) tract through the pancreatic duct

72
Q

what are the endocrine functions of the pancreas

A

secretion of hormones directly into the bloodstream

73
Q

they are collection of cells embedded in the pancreatic tissue

A

islets of Langerhans / pancreatic islets

74
Q

cells that secrete glucagon

A

alpha cells

75
Q

cells that secrete insulin

A

beta cells

76
Q

cells that secrete somatostatin

A

delta cells

77
Q

it functions for glycogenesis in the liver and muscle cells (formation of glycogen from glucose)

A

insulin

78
Q

it lowers blood glucose by permitting entry of glucose into the cells of the liver, muscle and other tissues, where it is stored as glycogen or used for energy
it also promotes the storage of fat in adipose tissue and synthesis of proteins in various body tissues

A

insulin

79
Q

this hormone stimulates glycogenolysis in the liver (breakdown of glycogen to glucose)

A

glucagon

80
Q

it raises the blood glucose by converting glycogen to glucose in the liver
it is secreted by the pancreas in response to a decrease in the level of blood glucose

A

glucagon

81
Q

it exerts a hypoglycemic effect by interfering with release of growth hormone from the pituitary and glucagon from the pancreas, both of which tend to raise blood glucose levels

A

somatostatin / growth hormone inhibiting hormone (GHIH)

82
Q

it is used for beta-blocker poisoning
it is given to unconscious patients with blood sugar below 50

A

glucagon

83
Q

it is a small brain structure in the epithalamus and near the hypothalamus

A

pineal gland

84
Q

this stimulates other endocrine glands to regulate effects of sleep-wake cycles

A

melatonin

85
Q

__________ stimulates melatonin synthesis in the pineal gland, whereas __________ the eye to light inhibits melatonin production

A

darkness
exposing

86
Q

the levels of melatonin rise and fall during the course of the day and night
peak levels occur at _________ and make us drowsy
the lowest levels occur during __________ around noon

A

night
daylight

87
Q

melatonin can decrease __________ secretion from the hypothalamus and may inhibit reproductive functions

A

GnRH (gonadotropin releasing hormone)

88
Q

it is located in the upper thorax and behind the breast bone

A

thymus gland

89
Q

it stimulates the development of a special group of white blood cells (T lymphocytes) that are important in the immune response

A

thymosin

90
Q

__________ and ___________ are the major cellular components of the adaptive immune response

A

T cells (thymus cells)
B cells (bone marrow cells)

91
Q

___________ are involved in cell mediated immunity

A

T cells

92
Q

__________ are primarily responsible for humoral immunity (antibodies)

A

B cells

93
Q

reproductive organ in females

A

ovary

94
Q

it stimulates uterine lining, hypothalamus, pituitary gland and other tissues to regulate the menstrual cycle and prepares the body for pregnancy

A

progesterone

95
Q

it stimulates uterine lining, hypothalamus, pituitary gland and other tissues to regulate menstrual cycle and maintains secondary sex characteristic in females

A

estrogen

96
Q

the reproductive organ in males

A

testis

97
Q

it is an androgen that stimulates sperm-producing cells, hypothalamus, pituitary gland, and other tissues to promote sperm development and maintains secondary sex characteristics in males

A

testosterone

98
Q

it is made up of a network of glands
these glands produce different types of hormones that evoke specific response in other cells, tissues, and/or organs located throughout the body

A

endocrine system

99
Q

the hormones reach their faraway targets using the __________ __________

A

blood stream