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Animal Physiology > Test 1 > Flashcards

Test 1 Flashcards

1
Q

Draw the bacteria ruler

A

See review sheet

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2
Q

Draw the basis of the resting potential in a typical cell

A

-70 mv, Na+/K+ pump, K+ leak channel, Na+ secondary transport, high Na+ concentration outside of the cell

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3
Q

Sketch how does the sweat gland work in general

A

Secretory region takes in Na+ Cl- and water, the reabsorptive region gets rid of Cl- and Na+, and water leaves out of the side with small concentrations of Na+ and Cl-

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4
Q

Sketch what is going on in the secretory region of the sweat gland

A

See review sheet

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5
Q

Sketch what is going on in the reabsorptive region of the sweat gland

A

See review sheet

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6
Q

What is the difference between CNS and PNS

A

CNS includes the brain and spinal cord while the PNS includes everything else

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7
Q

Sketch a myelinated axon with nodes of Ranvier

A

See review sheet

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8
Q

Sketch the first and second half of an action potential

A

See review sheet

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9
Q

What causes an undershoot at the end of an AP

A

VG and leak K+ Channels

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10
Q

Sketch VG Na+ channels that explain why at -70mv the activation gate is closed, at -45mv the activation gate open, and at 20/30mv the inactivation gate closes

A

See review sheet

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11
Q

sketch a chemical synapse using ionotropic and metabotropic receptors and what causes NT release

A

See review sheet

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12
Q

What is a spatial vs temporal summation

A

Spatial summation is the combination of + charge from multiple synapses while temporal summation is repeated entry of + charge at a single synapse adding to reach a threshold

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13
Q

What are the three ways to get rid of neurotransmitters from the synaptic cleft

A

Diffusion of NTs from the cleft, degradation of NTs via enzymes, and reuptake via receptors into vesicles

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14
Q

Sketch a graph of an AP

A

See review sheet

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15
Q

What is an EPSP and IPSP

A

Excitatory postsynaptic potential (moing towards threshold) and inhibitoy postsynaptic potential (moving away from threshold)

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16
Q

Sketch synaptic tagging that could result in learning

A

See review sheet

17
Q

Draw an electrical and chemical synapse

A

See review sheet

18
Q

What are the bonds in order of weakest to strongest

A

Van der waals, hydrogen, covalent, ionic

19
Q

What happens during a RP and what is the difference between a relative RP and an absolute RP sketch and explain

A

During an abosulte, some gates are still inactive or too few are active and during a relative, some are active but not enough for an AP

20
Q

What is the difference between an agonist and an antagonist

A

agonist increases production while antagonist prohibits it

Animal Physiology (4 decks)

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