Endocrine system Flashcards

1
Q

Ductless and secrete Hormones into the Internal Environment: Body Fluids or Blood

A

Endocrine Glands

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2
Q

Secrete into Ducts or Tubes onto Epithelial Surfaces
Examples:
Lacrimal Glands that release Tears
Sweat Glands that release Perspiration

A

Exocrine Glands

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3
Q

What enters the Interstitial Fluid and effect Nearby Cells?

A

Paracrine Secretions

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4
Q

What acts on the Same Cell that secreted it?

A

Autocrine Secretions

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5
Q

Functions of the Endocrine System include?

A

Regulate metabolic processes
Control rates of some chemical reactions
Aid in transporting substances through membranes
Help regulate water and electrolyte balance, and blood pressure
Play important roles in Reproduction, Development and Growth

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6
Q

Biochemical secreted by a Cell that affects the functions of another Cell is called what?

A

Hormone

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7
Q

A Cell that possesses specific Receptors for a particular Hormone Molecule is called?

A

A target cell

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8
Q

Amines, Peptides, Proteins or Glycoproteins that are all synthesized from Amino Acids are considered?

A

Nonsteroid Hormones

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9
Q

Steroid hormones are derived from _____________.

A

Cholesterol

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10
Q

Estrogens, Testosterone, Cortisol and Aldosterone are examples of?

A

Steroid Hormones

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11
Q

The Pineal Gland secretes the Hormone ____________?

A

Melatonin

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12
Q

Hormones are composed of _______________?

A

Organic Compounds

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13
Q

2nd Messenger of Non-Steroid hormones is?

A

Cyclic AMP

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14
Q

The resulting Hormone-Receptor Complex activates (Membrane Protein) called the _________________.

A

G Protein

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15
Q

What controls the Anterior Pituitary Gland’s release of Tropic Hormones?

A

Hypothalamus

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16
Q

What controls the activities of the Posterior Pituitary Gland?

A

Hypothalamus

17
Q

Gland in the mediastinum and lies just beneath the Sternum?

A

Thymus

18
Q

The Pineal Gland secretes what Hormone?

A

Melatonin

19
Q

What produces steroid hormones?

A

Adrenal Cortex

20
Q

The Anterior Pituitary Gland is primarily composed of

A

Grandular Epithelial cells

21
Q

Cyclic AMP is referred to as the ______________ and results in activation of another set of Enzymes called ______________.

A

Second Messanger; Protein Kinases

22
Q

When blood glucose levels increase, the Pancreas secretes what?

A

Insulin

23
Q

When the blood Glucose levels decrease, the Pancreas secretes what?

A

Glucagon