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ANPH 424L > Week 4 Endocrinology Quiz > Flashcards

Week 4 Endocrinology Quiz Flashcards

1
Q

Precursor of Steroid Hormones

A

Cholesterol

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2
Q

Steroid Hormones…

A

diffuse through cell membranes

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3
Q

What is the enzyme that converts testosterone to estrogen?

A

Aromatase

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4
Q

Protein Hormones…

A

bind to receptors on the cell membrane to elicit a response in the cell

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5
Q

Precursor of Protein Hormones

A

Amino Acids

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6
Q

Examples of Steroid Hormones

A

Progesterone (21C), Testosterone (19C), Estrogen (18C)

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7
Q

Examples of Protein Hormones

A

GnRH (peptide), Growth Hormone (protein)

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8
Q

Prostaglandin Hormones

A

Act through G protein-coupled receptors and nuclear receptors

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9
Q

Precursor of Prostaglandin Hormones

A

Arachidonic Acid

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10
Q

Examples of Prostaglandin Hormones

A

PGE, PGF2(alpha)

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11
Q

Steps of the Steroid Hormone Pathway

A

1) Diffuse through capillary wall
2) Diffuse through cell membrane
3) Steroid binds to receptor inside cell
4) Translocation of receptor + steroid into the nucleus
5) Initialization of transcription
6) Cell responds by synthesizing new proteins

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12
Q

Steps of the Protein Hormone Pathway

A

1) Transport across capillary wall
2) Binds to plasma membrane receptor on outside of cell
3) Initialization of signal transduction cascade
4) Initialization of transcription
5) Cell responds by synthesizing new proteins

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13
Q

5 Cell Types of the Anterior Pituitary

A
  • Gonadotropins
  • Somatotropins
  • Thyrotropins
  • Corticotropins
  • Lactotropins
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14
Q

Basal Secretion Patterns

A

the hormone stays low but fluctuates with low amplitude pulses

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15
Q

Sustained Release Patterns

A
  • normally how steroid hormones are secreted
  • the hormone release remains elevated in a relatively steady fashion for a long period of time (days to weeks)
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16
Q

Episodic Release Patterns

A
  • normally associated with hormones under neural control
  • bursts that are high amplitude with sections of basal levels between them
17
Q

Three types of communication

A
  • Endocrine (FSH, LH)
  • Neuroendocrine (GnRH, CRH)
  • Neural (Acetylcholine, Norepi)
18
Q

What store oxytocin in the Posterior Pituitary?

A

Herring Bodies

ANPH 424L (7 decks)

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