Online Exam 1_02
Return to Assessment List
Part 1 of 1 - 100.0/ 100.0 Points
Question 1 of 20
5.0/ 5.0 Points
What happens to an action potential when it comes to one of the nodes of Ranvier?
A. The action potential jumps from node to node, which is how it moves down the axon
with great speed.
B. The action potential gets rebounded back to the soma, where it has to be reestablished.
C. The action potential dissipates and fails to make it to the next neuron, which is why
illnesses that cause the nodes of Ranvier are so devastating.
D. The action potential causes neurotransmitters to be released from the node.
Question 2 of 20
5.0/ 5.0 Points
“I’m ready to go,” Olivia told her husband. “I wore a new perfume tonight. I hope you like it!”
Olivia’s husband nodded dutifully and told her how nice it smelled, but in truth he couldn’t smell
a thing. According to the principles of psychophysics, Olivia was not wearing enough perfume to
,exceed her husband’s __________.
A. Weberian level
B. just noticeable difference
C. absolute threshold
D. difference threshold
Question 3 of 20
5.0/ 5.0 Points
You come home from middle school one afternoon with a report card that boasts all As. You
can’t wait to show your grandmother, who has recently been visiting from out of town. When
you hand her the report card, she has to hold it at arm’s length in order to read it, because the
lenses of her eyes are no longer able to accommodate to objects that are nearby. This eye
condition, called __________, is very common in older people.
A. cataract
,
B. presbyopia
C. presbycusis
D. retinitis pigmentosa
Question 4 of 20
5.0/ 5.0 Points
Which of the following is found in the definition of the term psychology?
A. scientific study
B. cognition
C. relationships
Return to Assessment List
Part 1 of 1 - 100.0/ 100.0 Points
Question 1 of 20
5.0/ 5.0 Points
What happens to an action potential when it comes to one of the nodes of Ranvier?
A. The action potential jumps from node to node, which is how it moves down the axon
with great speed.
B. The action potential gets rebounded back to the soma, where it has to be reestablished.
C. The action potential dissipates and fails to make it to the next neuron, which is why
illnesses that cause the nodes of Ranvier are so devastating.
D. The action potential causes neurotransmitters to be released from the node.
Question 2 of 20
5.0/ 5.0 Points
“I’m ready to go,” Olivia told her husband. “I wore a new perfume tonight. I hope you like it!”
Olivia’s husband nodded dutifully and told her how nice it smelled, but in truth he couldn’t smell
a thing. According to the principles of psychophysics, Olivia was not wearing enough perfume to
,exceed her husband’s __________.
A. Weberian level
B. just noticeable difference
C. absolute threshold
D. difference threshold
Question 3 of 20
5.0/ 5.0 Points
You come home from middle school one afternoon with a report card that boasts all As. You
can’t wait to show your grandmother, who has recently been visiting from out of town. When
you hand her the report card, she has to hold it at arm’s length in order to read it, because the
lenses of her eyes are no longer able to accommodate to objects that are nearby. This eye
condition, called __________, is very common in older people.
A. cataract
,
B. presbyopia
C. presbycusis
D. retinitis pigmentosa
Question 4 of 20
5.0/ 5.0 Points
Which of the following is found in the definition of the term psychology?
A. scientific study
B. cognition
C. relationships
