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-