Abnormal Psychology Chapter 2

During an exam, which brain-wave pattern are you most likely to exhibit?

Beta Wave

Kevin is undergoing some test to look for signs of physical damage to his brain. He also needs to be sure certain parts of his brain are working properly. Which types of diagnosis technique reveal both structures and activity?

fMRI - function MRI

The Neurons that relay messages from the sense organs to the central nervous system are:

afferet (sensory) Neurons

Which part of the neuron receives messages from other cells?

dendrite

When a neuron axon carries a positive electrical potential of about 50 millivolts for a brief moment, it is said to be firing. This is called the

action potential

Sarah seems to be depressed, isn’t sleeping well, and has little appetite. Which neurotransmitter is most likely to be involved in the problem?

serotonin

Which part of the nervous system is primarily responsible for regulating the body’s involuntary, internal environment?

autonomic nervous system

Maria is riding a roller coaster. As it surges over the high point to plunge downward, her heart races, her breathing quickens, and blood flow to her skeletal muscles increases. Which division of the peripheral nervous system is most active?

sympathetic nervous system

Jesse is wiring together his home theater system, and he accidentally touches a live wire. He gets a painful shock and quickly jerks his hand away. The reflex of pulling his hand back is dictated by the:

spinal cord

A severe injury to the medulla would likely result in:

death

Which area of the brain regulates several body functions, including hunger, thirst, sexual behavior, and internal body temperature?

hypothalamus

Danielle is left handed. When she is taking notes in class, which part of her brain is directing the movements of her hand?

right frontal lobe

The visual cortex is located in the

occipital lobe

Because medications are not controlling her seizures, which of the following is Coral’s doctor likely considering?

He plans to sever her corpus callosum

Which individual is most likely to recover or at least partially recover a lost brain function following a head injury?

15 year old boy

Which of the following statements about gender differences in the adult brain is true?

Women have more gray matter in the area of the brain that controls emotions than do men

_____ are to the central nervous system as _____ are to the endocrine system

Neurotransmitters, hormones

Which organ is responsible for regulating blood sugar by releasing insulin and glucagon into the bloodstream?

pancreas

In a dominant-recessive pattern set of inheritance rules, which pair of genes would result in the expression of a recessive trait?

two recessive genes

Which of the following is true regarding the field of behavioral genetics?

all of the above

An MRI is a more powerful way to view the brains structures than an EEG

True

The myelin sheath allows neural impulses to travel faster

True

Any neurotransmitter can fit into any receptor

False

The somatic nervous system can be divided into the sympathetic and parasympathetic nervous system.

False.

The limbic system is a series of brain structures involved in emotion

True

Wernicke’s aphasia involves difficulty with comprehension of speech.

False.

The right hemisphere of the brain is responsible for most language functions.

False.

Pain perception occurs in the somatosensory area of the cerebrum

True

The gonads are primarily responsible for the production of sex hormones

True

There are 22 pairs of chromosomes in the human body.

False.