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bio 256 exam 2 with questions and answers || verified answers || latest update 2024/2025
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bio 256 exam 2 with questions and answers || verified answers || latest update 2024/2025
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bio 256 exam 2 with questions and answers || verifiedanswers || latest update 2024/2025
which kind of neural imaging can also be used as a therapy to treat depression -
CORRECT ANSWER ; -rTMS
which taste sensation detects alkaloids such as quinine and nicotine - CORRECT
ANSWER ; bitter
when the stereocilia of the hair cell receptor bend towards the kinocilium -
CORRECT ANSWER ; cells rapidly depolarize and signal frequency increases
all preganglionic axons of the autonomic nervous ststem release - CORRECT
ANSWER ; acetylcholine
choose the most accurate statement about sound - CORRECT ANSWER ; a ten
decibel increase represents a tenfold increase in sound intensity
membrane hyperpolarization means - CORRECT ANSWER ; the inside of the cell
becomes completely negative
If you were to administer a drug that blocked the activity of the sodium potassium
ATPase pump, what would the effect be on the ability to absorb glucose -
CORRECT ANSWER ; Decreases glucose transport into cell
,which kind of papilla does not contain taste buds - CORRECT ANSWER ; filiform
which is not true about voltage gated ion channels - CORRECT ANSWER ; ions will
diffuse to the area of higher ion concentration through the channels
which type of sensory receptor would be found in your cochlea, which detects
sound (air pressure changes) - CORRECT ANSWER ; mechanoreceptor
the sodium potassium pump - CORRECT ANSWER ; pumps three sodium ions out
of the cell and two potassium ions into the cell
which is true about the spinothalamic tract - CORRECT ANSWER ; its neuron
synapse in the anterior gray horn of the spinal cord
which is NOT true about voltage gated sodium ion channels - CORRECT ANSWER
; the inactivation gate is closed when the intracellular environment is -70 mV
Which describes sleep occurring when you first fall asleep? - CORRECT ANSWER ;
eyes are closed and relaxation begins; the EEG shows normal alpha waves; easily
aroused
when a skin area's two point threshold is small, that skin has - CORRECT ANSWER
; -high sensory acuity
what is the function of acetylcholine in a neuromuscular junction - CORRECT
ANSWER ; it diffuses across the synapse, binding membrane receptors, stimulating
an action potential in the myofiber
, what is the main function of the rods in the eye - CORRECT ANSWER ; vision in
dim light
what kind of neuroimaging can also be used as therapy - CORRECT ANSWER ; -
rTMS
which is NOT detected by a mechanoreceptor type - CORRECT ANSWER ; taste
Part of the neuron that normally receives stimuli - CORRECT ANSWER ; Dendrite
The inside of the cell becomes more negative than the resting potential - CORRECT
ANSWER ; Membrane hyperpolarization
what part of the neuron receives stimuli - CORRECT ANSWER ; -a dendrite
The resting membrane potential is largely preserved by - CORRECT ANSWER ; The
sodium potassium ATPase pump
Select the correct statement about synapses - CORRECT ANSWER ; The synaptic
cleft prevents an impulse from being transmitted directly from one neuron to
another.
Which of the following statements is most correct regarding the intracellular
chemical signals known as "second messengers" - CORRECT ANSWER ; Cyclic
AMP and IP3 are second messengers.
membrane repolarization means - CORRECT ANSWER ; inside of the cell becomes
more negative
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