6959801
Descripción
Test por Alexandra Bozan, actualizado hace más de 1 año
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Creado por Alexandra Bozan
hace alrededor de 8 años
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Pregunta 1
Pregunta
All of the following are nonsteroid hormones except:
Respuesta
-
oxytocin
-
calcitonin
-
cortisol
-
glucagon
Pregunta 2
Pregunta
Which of the following is not a characteristic of the endocrine system?
Respuesta
-
Chemical messenger travels short distance.
-
Effector tissues include virtually all tissues.
-
Characteristics of regulatory effects are slow to appear and long-lasting.
-
Receptors are located on the plasma membrane or within the effector cell.
Pregunta 3
Pregunta
All of the following are true statements except:
Respuesta
-
there are at least 16 different prostaglandins
-
the first prostaglandin was identified in semen
-
aspirin produces some of its effects by increasing PGE synthesis
-
PGFs have been used to induce labor and accelerate the delivery of a baby
Pregunta 4
Pregunta
Endocrine glands may be made up of
Respuesta
-
glandular epithelium
-
neurosecretory tissue
-
ducts to collect interstitial fluid
-
both glandular epithelium and neurosecretory tissue
Pregunta 5
Pregunta
The many hormones secreted by endocrine tissues are structurally classified as
Respuesta
-
steroid or nonsteroid hormones
-
anabolic or catabolic hormones
-
sex or nonsex hormones
-
tropic or hypotropic hormones
Pregunta 6
Pregunta
Which of the following is a function of glucagon?
Respuesta
-
Promotes the entry of glucose into tissue cells
-
Tends to decrease blood glucose concentrations
-
Tends to increase blood glucose concentrations
-
Converts glucose into glycogen
Pregunta 7
Pregunta
Principal thyroid hormone.
Respuesta
-
T4
-
T3 (triiodothyronine)
-
thyroxine
-
T4 and thyroxine
Pregunta 8
Pregunta
The production of thyroid hormone is stimulated by another hormone from the:
Respuesta
-
anterior pituitary
-
posterior pituitary
-
thyroid gland.
-
parathyroid gland
Pregunta 9
Pregunta
The common molecule from which all steroid hormones are derived is
Respuesta
-
phospholipids
-
cholesterol
-
lecithin
-
triglycerols
Pregunta 10
Pregunta
The first step in the renin-angiotensin mechanism is:
Respuesta
-
angiotensin II circulates to the adrenal cortex, stimulating the secretion of aldosterone
-
renin causes angiotensinogen to be converted to angiotensin I
-
the juxtaglomerular apparatus secretes renin into the blood in response to a fall in the blood pressure within the kidney
-
aldosterone causes increased reabsorption of sodium, which causes increased water retention
Pregunta 11
Pregunta
Which of the following glands is not regulated by the pituitary:
Respuesta
-
Thyroid
-
Ovaries
-
Adrenals
-
Thymus
Pregunta 12
Pregunta
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
Respuesta
-
slow
-
long
Pregunta 13
Pregunta
The vascular link between the hypothalamus and adenohypophysis is called the:
Respuesta
-
hypophyseal portal system
-
hepatic portal system
-
releasing hormone portal system
-
both hypophyseal portal system and releasing hormone portal system
Pregunta 14
Pregunta
The substance that acts as a second messenger at the cellular level is:
Respuesta
-
cyclic AMP
-
mRNA
-
ATP
-
GTP
Pregunta 15
Pregunta
Which of the following hormones is not secreted by the adrenal medulla:
Respuesta
-
epinephrine
-
norepinephrine
-
adrenaline
-
all are secreted by adrenal medulla
Pregunta 16
Pregunta
[blank_start]Tropic[blank_end] [blank_start]hormones[blank_end] target other endocrine glands and stimulate their growth and secretion
Respuesta
-
Tropic
-
hormones
Pregunta 17
Pregunta
When a small amount of one hormone allows a second hormone to have its full effect, the phenomenon is called:
Respuesta
-
synergism
-
permissiveness
-
antagonism
-
combination
Pregunta 18
Pregunta
[blank_start]Calcitonin[blank_end] has the opposite effect of parathyroid hormone
Respuesta
-
Calcitonin
Pregunta 19
Pregunta
[blank_start]Prolactin[blank_end] affects milk secretion
Respuesta
-
Prolactin
Pregunta 20
Pregunta
[blank_start]PGE[blank_end] is a Prostaglandin that plays a role in the development of a fever:
Respuesta
-
PGE
Pregunta 21
Pregunta
[blank_start]Oxytocin[blank_end] is the hormone that causes ejection of milk into the mammary ducts.
Respuesta
-
Oxytocin
Pregunta 22
Pregunta
Prolactin is not a tropic hormone?
Respuesta
- True
- False
Pregunta 23
Pregunta
Is Steroid a structural classification of hormones?
Respuesta
- True
- False
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