Endocrine System Flashcards

(112 cards)

1
Q

What component of the endocrine system secretes their product directly into the blood stream?

A

Endocrine glabds

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2
Q

Molecules that are
released from one location, move to another
location and produce a response; these
signals are your hormones

A

Chemical signal

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3
Q

Two types of chemical signal

A

Intracellular and Intercellular

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4
Q

Chemical signal; produce in one part of a cell
and moves to another part of the same cell;
one cell

A

Intracellular

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5
Q

Chemical signal; released from one cell and
binds to receptors on another cell; two or
more cells

A

Intercellular

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6
Q

Enumerate the 5 types of Intercellular signal

A

Autocrine
Paracrine
Neurotransmitter and neuromodulators
Pheromones
Hormones and neurohormones

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7
Q

Intercellular; released by cells
and a have local effect on the same cell
type

A

Autocrine

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8
Q

Intercellular; released by cells that affect
other cell types in close proximity

A

Paracrine

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9
Q

Intercellular; secreted by nerve
cells

A

Neurotransmitter and
neuromodulators

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10
Q

Intercellular; secreted into the
environment and modify the behavior
and physiology of another individual in
the same species; it has a distinct
permanent smell

A

Pheromones

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11
Q

Intercellular; secreted into blood and bind to receptor sites

A

Hormones and neurohormones

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12
Q

Eicosanoids is an example of this

A

Autocrine and paracrine

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13
Q

Somatostatin is an example of this

A

Paracrine

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14
Q

Epinephrine and insulin are example of what?

A

Hormones (and neurohormones)

Epinephrine is also an example of neurotransmitter

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15
Q

a molecule that is released
in one part of the body but regulates
the activity of cells in other parts of the
body.

A

Hormone

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16
Q

location on a cell where
hormone binds (lock)

A

Receptor site

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17
Q

a group of cells that respond to
specific hormones

A

Target tissues

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18
Q

specific hormones bind to specific
receptor sites

A

Specificity

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19
Q

T or F; Hormones only bind in specific receptor sites

A

True

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20
Q

Where do hormones bind to lock?

A

Receptor site

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21
Q

Two types of hormones according to solubility

A

Water soluble
Lipid hormones/Lipid soluble

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22
Q

What type of hormone does not need a membrane-bound receptor upon entrance to semipermeable membrane?

A

Lipid soluble

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23
Q

T of F; Lipid-soluble hormones bind to cytoplasmic
receptors and travel to the nucleus or bind to
nuclear receptors.

A

T

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24
Q

tells the body when
homeostasis is reached (to stimulate or inhibit
hormones)

A

Negative Feedback

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25
excessive levels of hormones in the blood stream cause decreased secretion
Negative Feedback
26
increase the secretion due to low hormones
Positive Feedback
27
T or F; Lipid Soluble Hormones bind to Membrane-Bound Receptors
F (They bind to Nuclear Receptors; they don't need the Membrane-Bound)
28
What type of hormones need membrane-bound receptors
Water soluble hormones
29
Called the master gland
Pituitary gland
30
What controls the pituitary gland
Hypothalamus
31
What bone protects the pituitary gland
Sphenoid bone
32
T or F; pineal gland is anterior to pituitary gland
F
33
2 regions of pituitary gland
Anterior and Posterior
34
3 ways to secrete hormone
- direct control - indirect control - direct release of hormones
35
Enumerate the hormones secreted by the anterior pituitary gland
Human Growth Hormone (Somatotropin) Thyroid-stimulating hormone (Thyrotropin) Luteinizing Hormone Follicle-stimulating hormone (FSH) Prolactin Lab discussion (may additional hormones na nabanggit dun idk) Adrenocorticotropic Hormone (Corticotropin) Melanocyte-stimulting Hormone
36
What hormone stimulates growth of bones, muscles, and organs
Growth Hormone
37
Target tissues of growth hormone
Most
38
Target tissue of TSH
Thyroid gland
39
What hormone regulates thyroid gland secretions
TSH
40
What happens when there's too much TSH
Thyroid gland enlarges
41
What happens when there's too little TSH
Thyroid gland shrinks
42
3 gonadotropin hormones for females secreted by the anterior pituitary
LH FSH Prolactin
43
Gonadotropin that promotes ovulation and progesterone production
LH for females
44
Gonadotropin that promotes follicle maturation and estrogen secretion
FSH for females
45
Gonadotropin that promote milk production
Prolactin
46
Target tissues of LH in female
Ovaries
47
Target tissues of FSH in females
Follices in ovaries
48
LH for males target tissue
Testes
49
FSH for males target tissues
Seminiferous tubules
50
Gonadotropin that promotes sperm production and testosterone
LH for males
51
Gonadotropin that promotes sperm producton
FSH for males
52
Target tissues of prolactin
Mammary glands and overies
53
Hormones that posterior pituitaty gland secretes
Oxytocin and Antidiuretic Hormone (ADH) o Vasopressin
54
Target tissues of ADH
kidneys
55
Function of ADH
Conserve water
56
Target tissue of oxytocin
Uterus (ANALAB says it's uterus and mammary glands)
57
Hormone that increases uterine contractions during child labor
Oxytocin
58
Responsible for milk ejection
Oxytocin
59
Four parts of thyroid gland
Pyramidal lobe of thyroid gland Right lateral lobe of thyroid gland Left lateral lobe of thyroid gland Isthmus of thyroid gland
60
2 types of hormones secreted by the thyroid gland (ANALAB)
T3 (Triiodothyronine) & T4 (Thyroxine) Calcitonin
61
Thyroid gland required ______ to function
Iodine
62
Regulates metabolic rates and is needed for growth
Thyroid hormone
63
Iodine-containing hormone secreted by thyroid follicle
Thyroxine (T4)
64
Iodine-containing hormone that required conversion of T4 at target tissues
Triidothyronine
65
Two common abnormalities relating to thyroid gland
Hypothyroidism Hyperthyroidism
66
● Decreased metabolism ● Weight gain, reduced appetite, fatigue ● Low temp. and pulse ● Dry, cold skin
Hypothyroidsm
67
What is hypothyroidism called in adults
Myxedema
68
What is hypothyroidism called in infants
Cretinism
69
● Increased metabolism ● Weight loss, increased appetite, nervousness ● Higher temp. and pulse ● Warm, flushed skin
Hyperthyroidism
70
What hormone is secreted when blood Ca2+ levels are high or elevated
Calcitonin
71
Target tissue of calcitonin
Bone
72
What hormone is antagonistic to calcitonin
Parathyroid hormone (increases calcium)
73
What are the target tissues of parathyroid hormone (PTH)
Bone and kidney
74
regulates blood Ca2+ levels (more than calcitonin) stimulates osteoclasts to remove CA from bone stimulate the kidneys and intestine to absorb more calcium
PTH
75
2 regions of adrenal gland
Adrenal Cortex Adrenal Medulla
76
Which region of the adrenal gland secretes epinephrine/norepinephrine
Adrenal medulla
77
Hormone released as part of fight or flight response
Epinephrine/Norepinephrine
78
Target tissues of epinephrine/norepinephrine
heart, blood vessels, liver, fat cell
79
What hormones are secreted by the adrenal cortex
Mineralocorticoids (Aldosterone) Glucocorticoids (Cortisol) Androgens
80
Hormone directly involved in blood pressure and volume regulation
Aldosterone
81
Hormone that causes Na+ and H2O to be retained and K+ to be secreted
Aldosterone
82
Target tissue of aldosterone
Kidneys
83
▪ increases breakdown of fat and protein for energy uses ▪ reduces inflammatory and immune responses
Cortisol
84
Target tissues of cortisol
fat, protein and muscle
85
Functions: Males: secondary sexual characteristics Females: sex drive
Andorgens
86
Target tissues of Androgens
Most
87
Hormones that the pancreas secrete
Insulin Glucagon Somatostatin Pancreatic Polypeptide
88
What cells secrete insulin
Beta cells of Pancreatic Islets
89
What cells secrete glucagon
Alpha cells of Islets of Langerhans
90
extra glucose is stored in the form of ________
glycogen teh
91
Target tissues of insulin
Liver, skeletal muscle, adipose tissue
92
When glucose levels are high, what is secreted
Insulin madam
93
Target tissue of glucagon
Liver
94
When glucose levels are low, what is secreted
Glucagon
95
Term for glycogen being broken down
Glycogenolysis eyyy
96
Type of diabetes mellitus; Insulin dependent; daily injections required
Type I
97
Type of diabetes mellitus; nsulin independent, often found in obese people can be treated with diet and treated with hypoglycemic agents
Type kita EYYYYYYYYYYYY Type II teh
98
Hormone that Testes produce
Testosterone
99
aids in sperm and reproductive organ development and function
Testosterone
100
▪ responsible for adult male secondary sex characterisics ▪ promotes grown and maturation of male reproductive system ▪ required for sperm cell production
Testosterone
101
Hormones ovaries secrete
Estrogen and progesterone
102
What specifically produces estrogen
Graafian follices or placenta
103
stimulates the development of secondary female reproductive organs; prepare the uterus to receive a fertilized egg
Estrogen
104
What specifically produces progesterone
Corpus luteum (found in ovaries)
105
acts with estrogen to bring about the menstrual cycle; helps in the implantation of an embryo in the uterus
Progesterone
106
Located posterior to the sternum; largest in infants and children
Thymus gland
107
What hormone is secreted by the thymus gland
Thymosin
108
Target tissues of thymosin
Immune system tissues
109
Hormone that promotes immune system development and function
Thymosin
110
What hormone does the pineal gland secretes
Melatonin
111
Target tissue of melatonin
Hypothalamus
112
Hormone that plays a role in the onset of puberty controls; cicardian rhythms light affects it functional; sleep wake cyle
Melatonin