Mastery Test: Endocrine Ch.11 Flashcards

1
Q

A chemical messenger involved in the regulation of body functions is a…

A

Hormone

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2
Q

Local hormones that affect only local cells are

A

Paracrine hormones

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3
Q

Hormones secreted by a cell that affects only the secreting cell are…

A

Autocrine hormones

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4
Q

Glands that release their secretions directly into the body fluids to help regulate metabolic processes are…

A

endocrine glands

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5
Q

Many hormones are thought to function by acting on receptor sites in the

A

target cells

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6
Q

A major difference between steroid and nonsteroid hormones is the degree to which they

A

are lipid soluble

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7
Q

Another group of compounds that have hormonelike effects are…

A

prostagladins

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8
Q

The characteristics of the negative feedback system that regulate hormone secretion include…

A

activation by imbalance and exertion of an inhibitory effect on the gland

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9
Q

The part of the brain most closely related to endocrine function is the…

A

hypothalamus

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10
Q

The anterior and posterior lobes of the pituitary gland are regulated by the…

A

hypothalamus

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11
Q

The hormones secreted by the anterior lobe of the pituitary gland include..

A

Thyroid-stimulating hormones (TSH) and Luteinizing hormones (LH)

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12
Q

Which of the following are actions of pituitary growth hormone?

A

Enhance the movement of amino acids through the cell membrane and increases the utilization of glucose by cells

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13
Q

The pituitary hormone that stimulates and maintains milk production following childbirth is…

A

Prolactin

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14
Q

TSH (Thyroid-stimulating hormone) secretion is regulated by…

A

circulating thyroid hormones and TRH (thryotropin-releasing hormone) secreted by the hypothalamus

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15
Q

Which of the following pituitary hormones regulate fluid balance

A

ADH (antidiuretic hormone)

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16
Q

A hormone of the posterior hormones regulate fluid balance?

17
Q

The thyroid hormones that affect the metabolic rate are…

A

thyroxine and triidothyronine

18
Q

Which of the following are functions of thyroid hormones?

A

Increases protein synthesis and accelerate growth in children

19
Q

The element necessary for normal function of the thyroid gland is…

20
Q

The thyroid hormone that tends to keep calcium in the bone is…

A

Calcitonin

21
Q

Hypothryoidism in an infant is characterized by…

A

Mental retardation and abnormal bone formation

22
Q

Which of the following statements about parathormone (parathyroid hormone) is (are) true?

A

Enhances absorption of calcium from the intestines, parathormone stimulates the kidney conserve calcium, stimulates the bone in release ionized calcium

23
Q

Injury to or removal of parathyroid glands is likely to result in…

A

Reduced osteoclastic activity and hypocalcemia

24
Q

The hormones of the adrenal medulla are…

A

epinephrine and norepinephrine

25
The adrenal hormone aldosterone belongs to a category of cortical hormones called
Mineralcorticoids
26
The actions of cortisol include...
breakdown of stored protein to increase the levels of circulating amino acids, stimulation of gluconeogenesis, and increased release of fatty acids and decreased use of glucose
27
Adrenal sex hormones are primarily...
male
28
The endocrine portion of the pancreas consists of cells called...
Islets of Langerhans
29
The hormone that responds to low blood sugar by stimulating the liver to convert glycogen to glucose is...
Glucagon
30
The actions of insulin that most directly leads to lowered blood sugar levels are...
facilitating the transport of glucose across the cell membrane and increasing the synthesis of fats
31
The most common type of diabetes mellitus is...
Type II
32
The hormone melatonin is secreted by the..
Pineal gland
33
A negative side effect of the general stress syndrome is increased susceptibility to...
Infection
34
Stressors may be positive or negative stimuli
True
35
What gland activates the "fight or flight" mechanism?
Hypothalamus