Chapter 17 Endocrine Flashcards

(56 cards)

0
Q

Describe an anabolic reaction

A

Smaller and simpler reactants form more complex and bigger molecules.

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1
Q

What is a catabolic reaction?

A

The breakdown of a reaction of more complex molecules into smaller and more simple products

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2
Q

ATP can be made by which two processes? And what are they?

A

Glycolysis- anaerobic respiration through conversion of glucose to pyruvate 2 ATP
Oxidative phosphorylation- aerobic mitochondria use electron transport chain 30-36 ATP

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3
Q

Define glycolysis

A

Catabolism of glucose to pyruvate

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4
Q

Define Glycogenesis

A

Anabolism of glucose to glycogen

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5
Q

Define glycogenolysis

A

Catabolism of glycogen to glucose

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6
Q

Define gluconeogenesis

A

Production of glucose from amino acids or neutral fats

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7
Q

What’s the endocrine system?

A

The gland tissues and cells that secrete hormones

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8
Q

Endocrinology

A

The study of the endocrine system and the diagnosis/treatment of its disorders

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9
Q

Endocrine glands

A

Organs that are traditional sources of hormones

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10
Q

Hormones

A

Chemical messengers that are transported through the blood stream that stimulate physiological responses on the cells

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11
Q

Describe exocrine glands

A

Have ducts

Have extra cellular effects

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12
Q

Describe endocrine glands

A

Do not have ducts
Capillary networks
Intercellular effects

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13
Q

How is the endocrine system different than the nervous system

A

Chemical communication no electrical
Reacts and responds slower
Adapts slower than nervous system
Endocrine is less targeted to an area and more widespread effects

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14
Q

What are the three different types of hormones?

A

Amines hormones - derived from amino acids epineferine norepienephrine
Steroid hormones- derived from cholesterol like estradiol, testosterone aldosterone
Peptide hormones- water soluble and made of 3+ amino acids (most common)

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15
Q

Which organ has an anterior and a posterior lobe made up of two different tissues.

A

The pituitary gland

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16
Q

Which lobe of the pituitary gland Is responsible for storing hormones? What hormones does it store?

A

Posterior pituitary responsible for storing oxytocin and anti diuretic hormone. Hypothalamus tells it what to do

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17
Q

Which lobe of the pituitary gland regulates and produces its own hormones. Which hormones does it produce?

A
Anterior pituitary 
Somatostatin 
Growth hormone 
Prolactin 
Follicle stimulating hormone 
Luetinizing hormone 
Adrenocorticotropic hormone 
Thyroid stimulating hormone
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18
Q

Which lobe of the pituitary is formed from the brain (nervous tissue)

A

Posterior lobe

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19
Q

Which lobe of the pituitary is formed from the epithelial tissue?

A

Anterior pituitary

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20
Q

What is follicle stimulating hormone for?

A

Secretion of ovarian hormones, development of ovarian follicles , sperm production

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21
Q

What is luteinizing hormone do?

A

Stimulate ovulation, secretion of progesterone, stimulate testes to produce testosterone

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22
Q

What does thyroid stimulating hormone do.

A

Stimulates secretion of thyroid hormone

23
Q

What does Adrenocorticotropic hormone do?

A

Stimulates adrenal cortex to secrete glucocorticoids

24
What does prolactin do?
Stimulates mammary glands to make milk and enhances secretion of testosterone by testes
25
What does growth hormone do?
Stimulates mitosis and cellular differentiation boost DNA and mRNA production lipid metabolism increased electrolyte balance
26
Which lobe of the pituitary gland utilizes the hypothalamo-pituitary-target organ pathway? Which hormones are included?
``` Anterior Prolactin Thyroid stimulating hormone Growth hormone Adrenocorticotropic hormone Lutenizing hormone Follicle stimulating hormone ```
27
What does ADH do?
Increases water retention prevents dehydration and reduced urination can cause vasoconstriction
28
What is oxytocin utilized for?
Uterine contractions, sexual satisfaction, flow of milk during lactation. Emotional bonding
29
What's the pineal gland in charge of?
Secretes melatonin which helps aid in sleep | Car cadmium rhythm
30
Which gland is the largest gland? | What does it control?
Thyroid T3 and t4 Increases metabolic rate o2 consumption and heat production alertness and reflex speed.
31
What does a para follicular cell do?
Secretes calcitonin and regulates blood calcium levels which help with bone formation in children
32
What does the thymus do? What hormones does it secrete?
Is the site where t (immune) cells mature. | Secrete thymopoietin thymosin and thymulin
33
Aldosterone does what and is in what layer of the adrenal cortex?
Zone glomerulosa | Stimulates Na and K retention water volume as a result
34
Cortisone functions to do what?
Build up protein and fat Respond to stress to help repair tissues Anti inflammatory effect
35
Glucagon is secreted by what type of cells?
Alpha cells. | Secrete I between meals to maintain glucose in the blood
36
Insulin is secreted by what typos of cells ?
Beta cells. | Secreted during or after meals to decrease glass se levels in the blood
37
Diabetes insipidus
No glucose in the urine | Too much secretion of insulin
38
What is pheochromocytoma?
Tumor in adrenal gland. Too much epi and norepi secretion
39
What is goiter ?
Too much secretion of thyroid hormone in the thyroid Graves' disease Endemic goiter dietary iodine deficiency.
40
What is acromegaly?
Thickening of the bones and tissues. Too much growth hormone production.
41
What's gigantism
Too much secretion go growth hormone
42
What is pituitary dwarfism?
Too little secretion of growth hormone
43
What is hypothyroidism
Child Not enough thyroxine Treat with levothyroxine Adult myxedema
44
What is cushings?
Excess cortisol | Causes muscle and bone loss hyperglycemia hypertension and weakness. Abnormal fat deposition
45
What is diabetes mellitus ?
Hypo secretion of insulin. Lots of urination intense thirst excessive hunger High glucose ketones in urine
46
What is a restrictive disorder?
Disorders that limit inflation or reduce pulmonary compliance
47
What are obstructive disorders?
Disorders that narrow or block the airway | Asthma or copd
48
What happens to po2 when ventilation increase?
Po2 elevates and airflow increase Vasodilation of pulmonary vessels Increased blood flow
49
What does carbonic anhydrase do?
Converts bicarbonate in to bicarbonate and. H+ | H2co3-> hco3 + h+
50
What happens when ventilation is reduced ?
Airflow decreases therefore reduced po2 in blood and vasoconstriction of pulmonary vessels decrease on blood flow
51
Which mode is this primary transportation route of oxygen?
Bound to hemoglobin | Only about 1% dissolved in blood plasma
52
What are the three routes of transport for Carbon dioxide
70% in form of bicarbonate About 20% on hemoglobin And the rest dissolve in blood plasma
53
What do you call a hemoglobin that has attached oxygen?
Oxy hemoglobin
54
What do you call a hemoglobin with attached co2 attached
Deoxy hemoglobin
55
What are the ways Carbon dioxide can be transported ?
Carbonic acid major Carbamino compound Dissolved in plasma least