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CC LAB: QUIZ 2 > QUIZ 2 > Flashcards

QUIZ 2 Flashcards

1
Q

meaning “to set in motion”

A

Hormon

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2
Q

General Functions of ENDOCRINE glands

A

Regulatory: constancy of chemicals
- Morphogenesis: Growth/Development
- Integrative:

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3
Q

Released because of critical levels of ions/Nutrients

A

Humoral Stimulus

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4
Q

Released caused by neural input

A

Neural Stimulus

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5
Q

Released caused by another hormone

A

Hormonal Stimulus

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6
Q

Enters circulation and binds specific cells at distant
site to elicit response

A

Endocrine

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7
Q

Enters interstitial spaces and binds specific receptor in adjacent gland for its effe

A

Paracrine

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8
Q

Enters interstitial space and binds specific receptor
cell of the origin to autoregulate its function

A

Autocrine

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9
Q

Remains associated with plasma membrane and acts on adjacent receptor by direct cell to cell

A

Juxtacrine

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10
Q

released to lumen of gut, binds to cells of gut

A

Exocrine

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11
Q

moves to extracellular space, binds to receptors in nearby cells for its action

A

Neurocrine

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12
Q

enters the circulation, interacts with receptor of
cells of distant sites

A

Neuroendocrine

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13
Q

crosses synapse and binds to receptors in another neuron affecting its action

A

Neurotransmission

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14
Q

cyclal patterns of hormone release

A

Biorhythms

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15
Q

Enumerate the 3 biorhythms

A
  1. circardian/diurnal
    2: Infradian
  2. Ultradian
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16
Q

Hormone concentration is controlled by:

A
  1. Rate of production/Synthesis
  2. Efficiency of delivery
  3. Metabolism
17
Q

Some peptide hormones are produced______

A

cleavage/break-up
from large protein

18
Q

Some peptide hormones are produced______

A

cleavage/break-up
from large protein

19
Q

hydrophobic, from cholesterol and needs a carrier protein

A

Steroids

20
Q

precursor of steroids

A

cholesterol

21
Q

Enumerate 3 Relationship or Interaction of hormones to target cells:

A
  1. Permissiveness
  2. Synergism
  3. Antagonism
22
Q

when 1 hormone cannot exert its full effect without another hormone being present

A

Permissiveness

23
Q

more than one hormone produce same effects on target cells

A

Synergism

24
Q

one hormone opposes the action of another hormone

A

Antagonism

25
Q

Target Cell Specificity response depends on

A

-Blood levels of hormones
-number of receptors
-Affinity of receptors to
hormones

26
Q

Chemical Categories of steroids

A

Hydrophobic

27
Q

Chemical Category of Polypeptides

A

Hyrophilic(water soluble)

28
Q

Chemical Category of amino acud derivatives

A

It depends

29
Q

Examples of Steroids

A

Cortisol, Progesterone, Estrogen, Testosterone,
Aldosterone

30
Q

Mechanism of Hormone Action: (2 pts)

A
  1. Cell Surface Receptors
  2. Nuclear Receptors
31
Q

Produce changes in membrane permeability

A

Cell Surface Receptors

32
Q

Mechanism of hormonee. action as cell ssurfacee receptor

A
  • Produce changes in membrane permeability
  • Stimulate synthesis of proteins or regulatory molecules
  • Activate or deactivate enzymes
  • Induce secretory activity and stimulate mitosis
33
Q

chemical category of PTH, Insulin, LH, FSH, TSH, TRH, ACTH,
Prolactin, GH, Calcitonin

A

Polypeptides

34
Q

Chemical Category of Epinephrine, Norepinephrine, T3, T4

A

Amino acid Derived

35
Q

diffuse into the cell, where it binds to intracellular receptors, migrate to nucleus and activate specific target sequences of DNA

A

Nuclear Receptors

36
Q

Enumerate 5 hormones that are categorized by action

A
  1. Endocrine
  2. Paracrine
  3. Autocrine
  4. Juxtacrine
  5. Exocrine
  6. Neurocrine
  7. Neuroendocrine
  8. Neurotransmission
37
Q

hormones classification based on chemicals

A
  1. Steroid
  2. Polypeptide
  3. Amino-acid
38
Q

Examples of hormones that exhibit anatagonism

A

Glucagon and Insulin

39
Q

Examples of hormones that exhibits permissiveness

A

Estrogen and progesterone

CC LAB: QUIZ 2 (2 decks)

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