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BMS 308 Exam 2 with verified answers

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BMS 308 Exam 2 with verified answers

Institution
BMS 308
Course
BMS 308









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Institution
BMS 308
Course
BMS 308

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Uploaded on
April 17, 2025
Number of pages
11
Written in
2024/2025
Type
Exam (elaborations)
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BMS 308 Exam 2 with
verified answers
Physiological regulation - correct answer ✔Regulates cells, tissues, organs, and systems for
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the body to function.
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What are the two types of physiological regulation? - correct answer ✔Extrinsic and intrinsic
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Extrinsic regulation - correct answer ✔Any regulation that is regulated from outside the cell.
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Intrinsic regulation - correct answer ✔Any regulation that is regulated from inside the cell.
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What are the two extrinsic systems? - correct answer ✔Endocrine and Nervous systems
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What are the two types of intercellular communication? - correct answer ✔Direct and
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indirect


Direct communication - correct answer ✔Ions and small molecules pass through a connexon
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directly from the cytoplasm of one cell to the cytoplasm of another cell.
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What does it mean when an ion becomes a chemical messenger? - correct answer ✔They
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provide an electrical signal that regulates the activity of one or both of the cells.
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, Indirect communication - correct answer ✔Ligand secreted from one cell into the interstitial
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fluid binds to a receptor on itself or another cell. Then regulates something in the cell.
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What are the four types of chemical messengers? - correct answer ✔Paracrines, autocrines,
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neurotransmitters, and hormones |||||| ||||||




Paracrine - correct answer ✔Secretes messenger into the ECF which diffuses and binds to a
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receptor on a neighboring cell. |||||| |||||| |||||| ||||||




Autocrine - correct answer ✔Secretes messenger into the ECF which binds to the receptor
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on itself.
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Neurotransmitter - correct answer ✔Secreted from neurons into the synapse, diffuse across |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




cleft and bind to receptor on postsynaptic cell.
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Hormone - correct answer ✔Secreted from endocrine cell into the blood, transported via
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blood and bind to receptor on target cell.
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What are the five structural classifications of messengers? - correct answer ✔Amino acids,
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amines, steroids, proteins, and eicosanoids |||||| |||||| |||||| ||||||




What are amino acids functions in the CNS? - correct answer ✔Function as
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neurotransmitters


Four types of amino acid messengers - correct answer ✔Glutamate, aspartate, glycine, and
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GABA


What happens to the membrane potential when amino acids snapse? - correct answer
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✔They move through ion channels and cause the currents to flow, this changes the
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membrane potential from its resting state. |||||| |||||| |||||| |||||| ||||||

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