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Q 1/31
Score 0
The portion of a neuron that can be as short as 1000th of an inch or as long as 3 or 4 feet which carries messages to either a second neuron or a muscle or gland is called the ______________.
30
Cell body
Dendrite
Axon
Myelin sheath
Q 2/31
Score 0
Fat-containing cells that surround the axon of some neurons _______________.
30
Receive messages form other neurons
Speed up the rate of transmission
Are a sign of diseases like multiple sclerosis
Are the sites of neurotransmitter production
31 questions
Q.
The portion of a neuron that can be as short as 1000th of an inch or as long as 3 or 4 feet which carries messages to either a second neuron or a muscle or gland is called the ______________.
1
30 sec
Q.
Fat-containing cells that surround the axon of some neurons _______________.
2
30 sec
Q.
Communication between neurons occurs at the
3
30 sec
Q.
Henry has Parkinson’s disease. The rigidity, slowing of movement and tremors indicate lower levels of which of the following neurotransmitters?
4
30 sec
Q.
Benzodiazepines produce sleepiness and decrease anxiety. They are an example of which of the following?
5
30 sec
Q.
Holly went out for her 21st birthday and celebrated by having 21 shots over the course of 5 hours. This would be classified as
6
30 sec
Q.
Driving home late a night, Daryl was startled when a deer ran in front of his car. He swerved just in time to avoid a major accident. The part of his nervous system that is primarily responsible for causing his heart to race and his palms to sweat when this happened is known as the
7
45 sec
Q.
Three-year-old Jane touched the hot handle of a pan on the stove. Pain information was sent from her hand to her spinal cord via
8
30 sec
Q.
The _____ regulates the activities of several glands and releases hormones that control growth.
9
30 sec
Q.
The birth of new neurons is known as
10
30 sec
Q.
Randomly occurring traits become more prevalent in a population through the process of
11
30 sec
Q.
Which of the following structures is necessary for survival?
12
30 sec
Q.
Perception of touch is processed in which area of the brain?
13
30 sec
Q.
____ are found in the motor cortex and are active when you are watching someone else perform a movement that you are about to perform yourself.
14
45 sec
Q.
The amygdala, hippocampus, and prefrontal cortex are all part of the _____ and are involved in emotion, learning, and memory.
15
45 sec
Q.
People with damage to ______ typically show problems with producing fluent speech although they have no problem understanding what is said to them.
16
45 sec
Q.
The _____ connects the two cerebral hemispheres.
17
30 sec
Q.
Broca’s area is responsible for speech production, Wernike’s area for speech comprehension, and the hippocampus for memory. This knowledge that specific brain areas are critical for specific functions is known as
18
45 sec
Q.
Rods and cones in your eyes, hair cells in your cochlea, hair cells in your semicircular canals, nociceptors in your skin are all examples of
19
45 sec
Q.
You do not notice the smell of your laundry detergent throughout the day because of
20
45 sec
Q.
The structure in the eye that changes thickness to focus light on the retina is the
21
30 sec
Q.
Which of the following is the correct sequence for the visual pathway to the brain?
22
60 sec
Q.
Which theory explain why we experience after images?
23
30 sec
Q.
You are having dinner with a friend. She leaves the table and walks away from you. Although the image cast on your retina shrinks as she walks away you do not perceive your friend as changing in size because of
24
45 sec
Q.
Transduction in the ear occurs
25
30 sec
Q.
Which of the following is an example of timbre?
26
45 sec
Q.
Which theory suggests that we perceive different frequencies of sound based on where along the basilar membrane hair cells are stimulated?
27
30 sec
Q.
The olfactory system has a direct connection with the limbic system which explains why
28
30 sec
Q.
Chemical molecules dissolved in saliva are known as
29
30 sec
Q.
The gate-control theory explains why
30
30 sec
Q.
The ______ are the sensory receptors located in your joints and muscles while your ______ sense lets you know where your legs are even if your eyes are closed.