Psychology Module 3 Chapter 3

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A(n) _____ is the electrical signal that typically moves from the neuron's cell body down to the axon terminals.

Action potential

Which is the main type of chemical messengers secreted by the male gonads?

Androgens

Which of the following conclusions can be drawn from the case study of Phineas Gage's accident, which led to brain injury?

Injury to the brain causes changes in behavior, and specific brain areas are linked to particular behaviors.

One example of __________ is the differences between hemispheres in the areas underlying language function.

Lateralizarion

Kelsey had a CT scan that showed a tumor in the right frontal cortex. Which of the following behavioral symptoms most likely prompted the scan to take place?

Motor skill deficits in the left side of her body

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 his legs and feet

People who have their corpus callosum severed for medical reasons would be able to tell you about which images shown to ______.

Only the right visual field

The ________ nervous system is responsible for stimulating digestion and causing the bladder to contract.

Parasympathetic

Ainsley is participating in a study that aims to determine whether the occipital cortex becomes more active in response to moving versus stationary stimuli. When she arrives at the lab, she ingests a "tracer" and then enters the scanning machine. What type of brain imaging is most likely being conducted in this study?

Positron emission tomography (PET)

The effects of neurotransmitters tend to be ________, whereas the effects of hormones tend to be ________.

Slower; a shorter duration

Sensory and motor neurons of the _________ nervous system are associated with activities traditionally thought of as conscious or voluntary.

Somatic

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, and he feels the need to smoke more cigarettes than he used to. It is likely that Jeremy's ________ is producing less ________ than it needs to.

Substantia nigra; dopamine

The _______ nervous system is responsible for responses such as pupil dilation, increased heart rate, and increased respiration.

Sympathetic

The space between two neurons is called the ________.

Synapse

The somatosensory cortex is responsible for processing _______.

Temperature, touch, and pain

The ________ of a neuron contain ______ that house neurotransmitters, the chemical messengers of the nervous system.

Terminal buttons; synaptic vesicles

A particular electrical signal being transmitted to a neuron is sufficient to generate an action potential. If the magnitude of the incoming electrical signal is doubled, the action potential will ________.

Undergo no changes in strength,speed, or duration

The two major divisions of the nervous system are the _______ and the ________ nervous systems.

Central and peripheral

Human eggs and sperm each contain 23 ________, which are composed of long strands of ________.

Chromosomes; DNA

Parsons and her colleagues are doing a study comparing differences in brain activity levels between patients with schizophrenia and controls with no psychological disorders. Their hypothesis requires a high level of detail and good detection of differences over time. Which of the following is the best brain imaging technique to use?

Functional magnetic resonance imaging (fMRI)

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

The meyelin sheath is made from _____

Glial cells

Henry Gustav Molaison (H. M.) had Brian surgery for which of the following reasons?

He had severe seizures

________ is a state of equilibrium, in which biological conditions (such as body temperature) are maintained at optimal levels.

Homeostasis

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

Which of the following areas is located in the frontal lobe of the brain?

Broca's area

Selective Serotonin Reuptake Inhibitors (SSRIs) are drugs commonly prescribed for ________.

Depression

Which two neurotransmitters have roles in appetite suppression?

Dopamine and norepinephrine


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