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A&P II Lecture (BIOL 2302) Exam 1 Review Questions Answered Correctly. $10.19   Add to cart

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A&P II Lecture (BIOL 2302) Exam 1 Review Questions Answered Correctly.

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  • Course
  • BIOL 2302
  • Institution
  • BIOL 2302

Endocrinology - Answer Study of hormones and endocrine organs Exocrine Glands - Answer -Produce non-hormonal substances such as sweat & saliva -Have ducts to carry secretion to membrane surface Endocrine Glands - Answer -Produce hormones -Lack ducts Hormones - Answer long-dis...

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  • October 11, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIOL 2302
  • BIOL 2302
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A&P II Lecture (BIOL 2302) Exam 1
Review Questions Answered Correctly.
Endocrinology - Answer Study of hormones and endocrine organs



Exocrine Glands - Answer -Produce non-hormonal substances such as sweat & saliva

-Have ducts to carry secretion to membrane surface



Endocrine Glands - Answer -Produce hormones

-Lack ducts



Hormones - Answer long-distance chemical signals that travel in blood or lymph



Autocrines - Answer chemicals that exert effects on same cells that secrete them



Paracrines - Answer locally acting chemicals that affect cells other than those that secrete them



Classes of Hormones - Answer -Amino acid-based hormones

-Steroids



Target Cells - Answer -Tissues with receptors for specific hormone

-Activity altered by hormones



Factors of Target Cell Activation - Answer -Blood levels of hormone

-Relative number of receptors on or in target cell

-Affinity of binding between receptor and hormone



Up-Regulation - Answer target cells form more receptors in response to low hormone levels

, Down-Regulation - Answer target cells lose receptors in response to high hormone levels



Humoral Stimuli - Answer -Changing blood levels of ions and nutrients directly stimulate secretion of
hormones

-ex: Ca2+ in blood



Neural Stimuli - Answer Nerve fibers stimulate hormone release



Hormonal Stimuli - Answer Hormones stimulate other endocrine organs to release their hormones



Nervous System Modulation - Answer -Nervous system modifies stimulation of endocrine glands and
their negative feedback mechanisms

-Nervous system can override normal endocrine controls



Half-Life - Answer time required for hormone's blood level to decrease by half



How are hormones removed from the blood? - Answer -Degrading enzymes

-Kidneys

-Liver



Permissiveness - Answer one hormone cannot exert its effects without another hormone being present



Synergism - Answer more than one hormone produces same effects on target cell



Antagonism - Answer one or more hormones oppose(s) action of another hormone



Pituitary Gland Lobes - Answer -Posterior Pituitary Lobe: Neural tissue

-Anterior Pituitary Lobe: Glandular tissue

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