stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Anatomy Quiz#4 (Solo Edition - Now with questionable music tastes) Flashcards | StudBud
Explore
/
Anatomy Quiz#4 (Solo Edition - Now with questionable music tastes)
Anatomy Quiz#4 (Solo Edition - Now with questionable music tastes)
30 terms
·
StudBud Administration
·
14 plays
Who reads this anyways?
Flashcards
30 cards
F
Practice quiz
P
Host live
L
Questions
30
Answers
1
During repolorization, activation gate closes
True
False
2
What does Ca
2+
ion do when binding to proteins inside the cell?
Release of electric signal across the synaptic button
Change the permeability of the receiving cells.
Transfers neurotransmitters across the space between two neurons
Triggers the exocytosis of synaptic vesticles
3
Mechanical gated channels
Channels that open with mechanical forces
Channels that are always open
Channels that open when bind to small molecule
Channels that open with electrical stimulation are
4
Myelin Sheaths
passes messages away from the cell body to other neurons, muscles, glands
Recieve messages from other cells
Cover the axon of some neuron and help neural impulse speed
Form junction with other cell
5
Oligodendrocytes
Star shape with long processes, provide support, cleaning up chemicals.
Small cell with multiple processes, can move within nervous tissue
Small cells with membrane cover multiple axons, form myelin sheath
6
Conductance of which ion is the most important factor in resting membrane potential of majority of cell
Potassium
Bicarbonate
Calcium
Sodium
7
Match the following 4 part to their function: Dendrite
Form junction with other cell
Passes messages away from the cell body to other neurons, muscles, glands
Recieve messages from other cells
Cover the axon of some neuron and help neural impulse speed
8
Axon
Form junction with other cell
Passes messages away from the cell body to other neurons, muscles, glands
Recieve messages from other cells
Cover the axon of some neuron and help neural impulse speed
9
Ligand gated channels
Channels that are always open
Channels that open when bind to small molecule
Channels that open with mechanical forces
Channels that open with electrical stimulation are
10
Resting Membrane Potential can be calculated by ...
Quadratic Formula
[ Pretend this is an incorrect answer choice ]
Ernest Equation
Nernst Equation
11
What's the name of the brain and spinal cord's own speciic connective tissue?
Neuron
Neurogila
Gilgal Cells
Dendrite
12
Using the Nernst Equation, if the outside K
+
concentration is 3mM and inside is 135 mM. What is the RMP?
54 MV
147 MV
-102 MV
-68 MV
13
Resting Potential is the equilibrium potential across the cell membrane?
True
False
14
Laws of physics that govern movement of ions. (choose either 1, there's 2)
Electric Potential
Gravitational Attraction
Conservation of Momentum
Diffusion
15
The Na+ channel closes if the stimulus depolarizes the membrane enough.
False
True
16
Ion pass through pore based on?
Charge
Size
Mass
Element
17
The following 3 questions (including this one) is basically match the name to its description:
Astrocytes
Small cell with multiple processes, can move within nervous tissue
Star shape with long processes, provide support, cleaning up chemicals.
Small cells with membrane cover multiple axons, form myelin sheath
18
Membranes are permeable to ions.
True
False
19
Microglial
Small cells with membrane cover multiple axons, form myelin sheath
Small cell with multiple processes, can move within nervous tissue
Star shape with long processes, provide support, cleaning up chemicals.
20
Around how many nerve cells are in our brains?
70-85 billion cells.
95-100 billion cells.
Uhh... I count 5... max, I think.
45-50 billion cells.
21
Terminal Branches of Axon
Cover the axon of some neuron and help neural impulse speed
Form junction with other cell
passes messages away from the cell body to other neurons, muscles, glands
Recieve messages from other cells
22
Myelination restricts Action Potential waves from traveling faster.
True
False
23
Gilgal cells are excitable
True
False
24
Do you feel prepared now? (This question is here because I want to see a multiple of 10 in the question number)
OH PLEASE, HAVE MERCY ON ME
Absolutely prepared to ACE this quiz tomorrow!
Yes
No
25
Match the following 3 channels with their definition: Voltage Gated Channels
Channels that open with electrical stimulation
Channels that open with mechanical forces
Channels that is always open
Channels that open when bind to small molecule
26
Neurons are made up of what three distinct parts?
Sama, Tendrites, Oxon
Soma, Dendrites, Exxon.
Soma, Dendrites, Axon
27
At the end of Action Potential, what happens?
Membrane depolarizes.
Na+ Channel Opens
"Slow" voltage gated K+ channel opens and allows more K+ ion to rush out.
Sodium/Potassium Ion ATPase brings the Ionic Concentration back to resting.
28
What is the most common excitatory neurotransmitter in brain?
Serotonin
Dopamine
Glutamate
Adrenaline
29
In a neuron, which ion are the first to respond to a stimulus?
Phosphate
Sodium
Calcium
Potassium
30
What is at the axon terminal?
Synaptic button
Synaptic vesicles
Synaptic membrane
Synaptic
