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Anatomy and Physiology > CH. 16 ENDOCRINE - STUDY GUIDE > Flashcards

CH. 16 ENDOCRINE - STUDY GUIDE Flashcards

2
Q

The chemical messengers of the endocrine system are:a) hormonesb) neurotransmittersc) target tissuesd) target organs

A

a

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3
Q

Which of the following statements is true of the endocrine system?a) cells secreting the chemical messengers are called neuronsb) distance traveled by the chemical messengers is short (across a microscopic synapse)c) its effects are slow to appear, yet long-lastingd) none of the above

A

c

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4
Q

Which of the following is NOT an endocrine glanda) pinealb) placentac) parathyroidd) intestine

A

d

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5
Q

The neuroendocrine system performs all of the following functions except:a) communicationb) controlc) conductiond) integration

A

c

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6
Q

The many hormones secreted by endocrine tissues can be classified simply as:a) steroid or non-steroid hormonesb) anabolic or catabolic hormonesc) sex or nonsex hormonesd) tropic or hypotropic hormones

A

a

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7
Q

Nonsteroid hormones includea) proteinsb) peptidesc) glycloproteinsd) all of the above

A

d

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8
Q

The control of the hormone secretion isa) usually part of a negative feedback loopb) rarely part of a positive feedback loopc) both a and bd) none of the above

A

c

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9
Q

When a small amount of hormone allows a second hormone to have its full effect on a target cell, the phenomenon is calleda) synergismb) permissivenessc) antagonismd) combination

A

b

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10
Q

True or false?The nervous system functions at a much greater speed than the endocrine system.

A

t

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11
Q

True or false?The most widely used method of hormone classification is by chemical structure.

A

t

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12
Q

True or false?Steroid hormone recpetors are usually attached in the plasma membrane of a target cell.

A

f

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13
Q

True or false?Production of too much hormone of a diseased gland is termed hyposecretion.

A

f

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14
Q

True or false?Input from the nervous system influences secretion of hormones.

A

t

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15
Q

Prostaglandins are referred to as:a) growth hormonesb) tissue hormonesc) target cellsd) thyroxins

A

b

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16
Q

Which of the following is false?a) prostaglandins tend to integrate activities of neighbouring cellsb) the first prostaglandin was discovered in semenc) aspirin produces some of its effects by increasing PGE synthesisd) PGFs have been used to induce labor and accelerate delivery of a baby

A

c

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17
Q

The pituitary is attached to the hypothalamus by a stalk called thea) physisb) infundibulumc) pars intermediad) none of the above

A

b

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18
Q

Which of the following links the nervous system with the endocrine systema) pituitaryb) pineal glandc) thalamusd) hypothalamus

A

d

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19
Q

Hypersecretion of prolactin can causea) insufficient milk production in nursing womenb) atrophy of breast tissue in non-nursing womenc) impotence in mend) both a and b

A

c

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20
Q

Psychosomatic and somatopsychic relationships between human body systems and the braina) are not believed to exist

A

b

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21
Q

promotes development and secretion in the adrenal cortex

A

adrenocorticotrophic hormone (ACTH)

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22
Q

promotes growth by stimulating protein anabolism and fat mobilization

A

growth hormone (GH)

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23
Q

promotes development of ovarian follicles in females and sperm in males

A

follicle-stimulating hormone (FSH)

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24
Q

triggers ovulation in females and production of testosterone in males

A

luteinizing hormone (LH)

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25
Q

promotes milk secretion

A

prolactin (PRL)

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26
Q

stimulates uterine contractions and milk ejection into mammary ducts

A

oxytocin (OT)

27
Q

stimulates the synthesis and secretion of target hormones

A

tropic hormone

28
Q

stimulates development and secretion of in the thyroid gland

A

thyroid-stimulating hormone (TSH)

29
Q

promotes water retention in kidney tubules

A

antidiuretic hormone (ADH)

30
Q

Which thyroid hormone is released in the greatest quantitiya) T3b) T4c) triiodothyronined) calcitonin

A

b

31
Q

The principal thyroid hormone isa) thyroxineb) triiodothyroninec) t4d) both a and c

A

b

32
Q

The two lobes of the thyroid are connected by thea) infundibulumb) isthmusc) peninsulad) islet

A

b

33
Q

High blood calcium levels can cause all of the following excepta) constipationb) muscle spasmsc) lethargyd) coma

A

b

34
Q

PTH increases calcium absorption in the intestines by activating:a) vitamin Ab) vitamin Cc) vitamin Dd) iron

A

c

35
Q

True or false?Calcitonin in humans does not seem to have a great effect

A

t

36
Q

The parathyroid glands are located on the anterior surface of the thyroid gland

A

f

37
Q

Hypersecretion of thyroid hormone can cause Graves disease

A

t

38
Q

Pineal gland functions to support the body’s biological clock

A

t

39
Q

Which of the following is not secreted by the adrenal cortexa) aldosteroneb) epinepherinec) adrenal androgensd) adrenal estrogens

A

b

40
Q

Which of the following hormones is not secreted by the adrenal medulla?a) epinepherineb) no epinepherinec) adrenalined) all of the above are secreted by the adrenal medulla

A

d

41
Q

True or false?The outer portion of the adrenal gland is called the adrenal cortex

A

t

42
Q

True or false?Hypersecretion of cortisol from the adrenal cortex produces a collection of symptoms called Addison’s disease

A

f

43
Q

True or false?The renin-angiotensin-aldosterone mechanism is a negative feedback mechanism that helps maintain homeostasis of blood pressure

A

t

44
Q

Glucagon functions toa) promote the entry of glucose into cellsb) convert glucose into glycogenc) increase blood glucose concentrationd) decrease blood glucose concentration

A

c

45
Q

Insulin functions toa) decrease blood concentration of glucose, amino acids, and fatty acidsb) increase blood concentration of of glucose, amino acids, and fatty acidsc) inhibit the secretion of growth hormoned) both a and c

A

a

46
Q

Testosteron is produced by thea) seminiferous tubulesb) interstitial cellsc) LHd) the scrotum

A

b

47
Q

The hormone that can be detected during the early part of a woman’s pregnancy with an over the counter kit isa) LHb) estrogenc) hCGd) atrial natriuretic hormone (ANH)

A

c

48
Q

hypersecretion of ACTH

A

cushing syndrome

49
Q

lack of iodine

A

simple goiter

50
Q

hypersecretion of thyroid hormone

A

graves disease

51
Q

hypersecretion of melatonin

A

winter depression

52
Q

hypersecretion of GH (adults)

A

acromegaly

53
Q

extreme hyposecretion of thyroid (adult)

A

myxedema

54
Q

hyposecretion of estrogen in postmenopausal women

A

osteoporosis

55
Q

hyposecretion of adrenal cortex

A

addison disease

56
Q

what does the outerzone of the adrenal cortex secretea) mineralocorticoidsb) sex hormonesc) glucocorticoidsd) epinepherine

A

a

57
Q

what can result when too much growth hormone is produced by the pituitary glanda) hyperglycemiab) a pituitary giantc) both a and bd) none of the above

A

d

58
Q

which of the following glands is/are not regulated by the pituitary?a) thyroidb) ovariesc) adrenalsd) thymus

A

d

59
Q

which of the following statements about the antidiuretic hormone is true?a) it is released by the posterior lobe of the pituitaryb) it causes diabetes insipidus when produced in insufficient amountsc) it decreases urine volumed) all of the above

A

d

60
Q

what controls the development of the body’s immune systema) pituitaryb) thymusc) pineal bodyd) thyroid

A

b

61
Q

which endocrine gland is composed of cell clusters called the islets of langerhans?a) adrenalb) thyroidc) pituitaryd) pancreas

A

d

62
Q

which of the following statements concerning prostaglandins is truea) they control activities of widely separated organsb) they can be called tissue hormonesc) they diffuse over long distances to act on cellsd) all of the above

A

b

Anatomy and Physiology (16 decks)

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