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Quiz von Alexandra Bozan, aktualisiert more than 1 year ago
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Erstellt von Alexandra Bozan
vor etwa 8 Jahre
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Frage 1
Frage
All of the following are nonsteroid hormones except:
Antworten
-
oxytocin
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calcitonin
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cortisol
-
glucagon
Frage 2
Frage
Which of the following is not a characteristic of the endocrine system?
Antworten
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Chemical messenger travels short distance.
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Effector tissues include virtually all tissues.
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Characteristics of regulatory effects are slow to appear and long-lasting.
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Receptors are located on the plasma membrane or within the effector cell.
Frage 3
Frage
All of the following are true statements except:
Antworten
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there are at least 16 different prostaglandins
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the first prostaglandin was identified in semen
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aspirin produces some of its effects by increasing PGE synthesis
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PGFs have been used to induce labor and accelerate the delivery of a baby
Frage 4
Frage
Endocrine glands may be made up of
Antworten
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glandular epithelium
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neurosecretory tissue
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ducts to collect interstitial fluid
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both glandular epithelium and neurosecretory tissue
Frage 5
Frage
The many hormones secreted by endocrine tissues are structurally classified as
Antworten
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steroid or nonsteroid hormones
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anabolic or catabolic hormones
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sex or nonsex hormones
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tropic or hypotropic hormones
Frage 6
Frage
Which of the following is a function of glucagon?
Antworten
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Promotes the entry of glucose into tissue cells
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Tends to decrease blood glucose concentrations
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Tends to increase blood glucose concentrations
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Converts glucose into glycogen
Frage 7
Frage
Principal thyroid hormone.
Antworten
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T4
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T3 (triiodothyronine)
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thyroxine
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T4 and thyroxine
Frage 8
Frage
The production of thyroid hormone is stimulated by another hormone from the:
Antworten
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anterior pituitary
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posterior pituitary
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thyroid gland.
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parathyroid gland
Frage 9
Frage
The common molecule from which all steroid hormones are derived is
Antworten
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phospholipids
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cholesterol
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lecithin
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triglycerols
Frage 10
Frage
The first step in the renin-angiotensin mechanism is:
Antworten
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angiotensin II circulates to the adrenal cortex, stimulating the secretion of aldosterone
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renin causes angiotensinogen to be converted to angiotensin I
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the juxtaglomerular apparatus secretes renin into the blood in response to a fall in the blood pressure within the kidney
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aldosterone causes increased reabsorption of sodium, which causes increased water retention
Frage 11
Frage
Which of the following glands is not regulated by the pituitary:
Antworten
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Thyroid
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Ovaries
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Adrenals
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Thymus
Frage 12
Frage
In comparison with the nervous system, the regulatory effects of the endocrine system are [blank_start]slow[blank_end] to appear, but [blank_start]long[blank_end] lasting
Antworten
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slow
-
long
Frage 13
Frage
The vascular link between the hypothalamus and adenohypophysis is called the:
Antworten
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hypophyseal portal system
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hepatic portal system
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releasing hormone portal system
-
both hypophyseal portal system and releasing hormone portal system
Frage 14
Frage
The substance that acts as a second messenger at the cellular level is:
Antworten
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cyclic AMP
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mRNA
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ATP
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GTP
Frage 15
Frage
Which of the following hormones is not secreted by the adrenal medulla:
Antworten
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epinephrine
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norepinephrine
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adrenaline
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all are secreted by adrenal medulla
Frage 16
Frage
[blank_start]Tropic[blank_end] [blank_start]hormones[blank_end] target other endocrine glands and stimulate their growth and secretion
Antworten
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Tropic
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hormones
Frage 17
Frage
When a small amount of one hormone allows a second hormone to have its full effect, the phenomenon is called:
Antworten
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synergism
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permissiveness
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antagonism
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combination
Frage 18
Frage
[blank_start]Calcitonin[blank_end] has the opposite effect of parathyroid hormone
Antworten
-
Calcitonin
Frage 19
Frage
[blank_start]Prolactin[blank_end] affects milk secretion
Antworten
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Prolactin
Frage 20
Frage
[blank_start]PGE[blank_end] is a Prostaglandin that plays a role in the development of a fever:
Antworten
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PGE
Frage 21
Frage
[blank_start]Oxytocin[blank_end] is the hormone that causes ejection of milk into the mammary ducts.
Antworten
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Oxytocin
Frage 22
Frage
Prolactin is not a tropic hormone?
Antworten
- True
- False
Frage 23
Frage
Is Steroid a structural classification of hormones?
Antworten
- True
- False
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