psy 201 chap 3 Questions with 100%
Correct Answers
Which of the following is true about the functions of dendrites and axons?
Correct Answer: Dendrites detect information from neighboring neurons,
whereas axons transmit information.
Michaela is very stressed out and decides to get a massage. In order to fully
experience the stress-relieving benefits of touch, the three functions of her
nervous system must be intact. That is, her nervous system has to be able to first
______________, then ______________, and finally ______________ sensory
information. Correct Answer: receive; integrate; transmit
To feel pain, there must be sufficient ______________ of a neuron to create
______________, which is the first step in neural communication. Correct Answer:
stimulation; an action potential
The probability of an action potential being propagated from neuron to neuron
is increased when the ______________ neuron's signal is ______________. Correct
Answer: postsynaptic; excitatory
While hiking in the mountains of Alaska, Pete encountered a giant grizzly bear.
He immediately felt his heart rate increase, his breathing become rapid, and
sweat drip down his back. These events were most likely due to the effects of
the neurotransmitter called ______________ in his body. Correct Answer:
epinephrine
You breed a brown mouse with a white mouse. If four out of their five offspring
are brown, you would guess that the gene for brown is ______________ and the
gene for white is ______________. Correct Answer: dominant; recessive
Correct Answers
Which of the following is true about the functions of dendrites and axons?
Correct Answer: Dendrites detect information from neighboring neurons,
whereas axons transmit information.
Michaela is very stressed out and decides to get a massage. In order to fully
experience the stress-relieving benefits of touch, the three functions of her
nervous system must be intact. That is, her nervous system has to be able to first
______________, then ______________, and finally ______________ sensory
information. Correct Answer: receive; integrate; transmit
To feel pain, there must be sufficient ______________ of a neuron to create
______________, which is the first step in neural communication. Correct Answer:
stimulation; an action potential
The probability of an action potential being propagated from neuron to neuron
is increased when the ______________ neuron's signal is ______________. Correct
Answer: postsynaptic; excitatory
While hiking in the mountains of Alaska, Pete encountered a giant grizzly bear.
He immediately felt his heart rate increase, his breathing become rapid, and
sweat drip down his back. These events were most likely due to the effects of
the neurotransmitter called ______________ in his body. Correct Answer:
epinephrine
You breed a brown mouse with a white mouse. If four out of their five offspring
are brown, you would guess that the gene for brown is ______________ and the
gene for white is ______________. Correct Answer: dominant; recessive
