Endocrine Anatomy and Physiology Flashcards

1
Q

Blood levels of many hormones vary within a narrow range due to , where target organ effects feed back to inhibit further hormone release.

A

Negative Feedback

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2
Q

The type of hormone interaction of is where more than one hormone produces the same effects at the target cell and their effects together are amplified.

A

Synergism

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3
Q

The hypothalamic-pituitary-target endocrine organ feedback loop is an example of stimuli.

A

Hormonal

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4
Q

When insulin binds to its insulin receptor, which is a enzyme, it is activated by autophosphorylation.

A

Tyrosine Kinase

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5
Q

The pituitary, thyroid, parathyroid, adrenal, and pineal glands are glands.

A

Endocrine

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6
Q

Because they are , steroid hormones diffuse into target cells to bind and activate intracellular receptors.

A

Lipid soluble

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7
Q

A stimulus is the type of trigger that causes endocrine glands to secrete hormones in response to hormones produced by other endocrine organs.

A

Hormonal

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8
Q

The type of hormone interaction of is where one hormone does not have its full effects without the presence of another hormone.

A

Permissiveness

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9
Q

are amino acids or steroids that increase or decrease the rates of normal cellular processes by acting on their target cells.

A

Hormones

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10
Q

The type of hormone interaction of is where one hormone opposes the action of another hormone.

A

Antagonism

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11
Q

-soluble hormones directly activate genes by acting on receptors inside of its target cell.

A

Lipid

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12
Q

The hypothalamus has neural functions while also producing and releasing hormones, so it is referred to as a organ.

A

Neuroendocrine

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13
Q

Most amino acid-based hormones, which are water-soluble, generate intracellular when the hormone binds to a receptor in the plasma membrane.

A

2nd messengers

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14
Q

stimulus is the type of trigger that causes endocrine glands to secrete hormones in response to changing blood levels of certain ions and nutrients.

A

HUMORAL

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15
Q

In direct gene activation, a receptor-hormone complex binds to a specific region of to prompt DNA transcription to produce a messenger RNA.

A

DNA

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16
Q

The amine hormones, which are catecholamines and thyroid hormones, are derivatives of the amino acid .

A

TYROSINE

17
Q

The endocrine system influences metabolic activity through the secretion of chemical messengers called .

A

Hormones

18
Q

The release of parathyroid hormone in response to decreased blood calcium levels is a type of stimulus.

A

HUMORAL

19
Q

The release of norepinephrine and epinephrine from the adrenal medulla in response to sympathetic nervous system stimulation is a type of stimuli.

A

Neural

20
Q

-soluble hormones act on receptors in the plasma membrane to communicate with its target cell.

A

Water

21
Q

A stimulus is the type of trigger that causes endocrine glands to secrete hormones in response to nerve fibers.

A

Neural

22
Q

Most hormones are peptides or proteins, and their synthesis is dictated by the messenger ribonucleotide .

A

mRNA

23
Q

All steroid hormones are derivatives of .

A

Cholesterol

24
Q

Natural hormones are made of cholesterol and are synthesized and secreted by the adrenal cortex, gonads, corpus luteum, and placenta.

A

Steroid

25
Q

The types of glands that produce hormones are called glands.

A

Endocrine