quiz 2
Elaina has been diagnosed with a small brain tumor. She first went to see her doctor after experiencing symptoms such as feeling very cold, almost fainting, a reduced appetite, and reduced sexual desire. Which of the following structures is her tumor most likely affecting?
Hypothalamus
Changes in behavior and cognitive processes over time are studied by ________.
Evolutionary Psychologist
Gyri and sulci are the ________ and ________, respectively, which characterize the surface of the human brain.
Folds; grooves
Wendy's mother has blue eyes and her father has brown eyes. The allele for brown eye color is dominant (B) to the allele for blue eye color (b), but Wendy has blue eyes. Therefore, Wendy's ________ must be ________ and her father's must be Bb.
Genotype;bb
In a resting state, sodium (Na+) is at a higher concentration outside the cell and potassium (K+) is more concentrated inside the cell. During an action potential, the sodium levels ________ inside the cell.
Increase
Why can amphetamines be used to treat ADHD in children?
They increase neurotransmitter activity within certain areas of the brain associated with impulse control.
Randolf is walking down the street of his hometown, after being away for several years, when he smells the scent of freshly baked pie coming from a local baker. He suddenly has vivid memories of walking down this street as a child, holding both of his parents' hands, and swinging between them, feeling relaxed and happy. This is because the sense of smell projects directly to the ________, which is responsible for emotional memories.
limbic field; emotional
Cocaine is considered a ________ drug because it tends to increase overall levels of neural activity.
stimulant
The somatosensory cortex is responsible for processing ________.
temp, touch, pain SOmatic sensation
Tayla smokes marijuana. At first, just a few inhalations were enough to cloud her mind. Over time, she needs to smoke more and more to achieve the same effect. This is an example of ________.
tolerance
A(n) ________ is the electrical signal that typically moves from the neuron's cell body down the axon to the axon terminals.
Action potential
Stage 1 sleep is characterized by a predominance of ________ wave activity in the brain.
Alpha
The two major divisions of the nervous system are the ________ and ________.
Central nervous system; peripheral
Victoria has accumulated a large sleep debt. This means that she ________.
Chronic Sleep Deprivation
Which psychological perspective might advance the argument that our sleep patterns evolved as an adaptive response to predatory risks, which are higher during periods of darkness?
Evolutionary
Dmitris is in a car accident and his parietal lobe is injured. Which of the following is the most likely behavioral effect of his accident?
No sensation in legs or feet
Sleepwalking, night terrors, and restless leg syndrome are all examples of________.
Parasomnias
The myelin sheath is made from________.
Schwann cell membranes
Which of the following statements about sleep deprivation is false?
Sleep deprivation often results in ADHD.
Jeremy has Parkinson's disease, a progressive neurodegenerative disease that affects motor skills. In addition to motor symptoms, Jeremy has noticed changes in his mood. It is likely that Jeremy's ________ is producing less ________ than it needs to.
Substania nigra;dopamine
The space between two neurons is called the ________.
Synapse
Which of the following is not a risk factor for SIDS?
putting a baby to sleep on his or her back.
Crack is regarded as more addictive than cocaine because it is ________.
smokable, so it reaches the brain more quickly.
Which term describes the tendency to maintain a balance, or optimal level, within a biological system?
homeostasis
Individuals undergoing hypnosis ________.
usually have clear memories of the hypnotic experience and are in control of their own behaviors-