Psych Unit 2 Test

The part of the neuron that is responsible for receiving signals from other neurons is called

A dendrite

Damage to the cerebellum would most likely result in which of the following problems?

A loss of motor coordination

Which scenario best exemplifies Charles Darwin's theory of natural selection?

A mutation in a species of lizards that allows them to better blend into their surroundings leads to greater survival and more offspring possessing this mutation in a later generation.

Information is relayed to the spinal cord or the brain by

Afferent neurons

Dopamine, norepinephrine, and acetylcholine are all

Neurotransmitters that excite or inhibit a neural signal across a synapse

The hypothesis that intelligence is in part inherited is best supported by the fact that the IQ correlation for

Pairs of identical twins is greater than for pairs of fraternal twins

The person most strongly associated with identifying deficits in the motor speech area and in the ability to produce speech is

Paul Broca

Joseph has blue eyes and brown hair and is tall. These characteristics are best described as

Phenotypic traits

Which of the following is true of a neuron in the resting state?

The inside of the cell membrane is negative compared to the outside.

Brain lateralization refers to the

inclination for certain cognitive processes to be specialized to one hemisphere of the brain or the other

Activation of the parasympathetic nervous system results in which of the following?

A decrease in heart rate

Which of the following correctly describes the firing of neurons?

An all-or-none response

A person with damage to Broca's area would most likely demonstrate which of the following symptoms?

Difficulty with speech production

The autonomic nervous system is most directly involved in

Digesting food

Most glands in the human body are a part of which system?

Endocrine

The part of the endocrine system that is responsible for overseeing and regulating the release of hormones across the entire body is the

Hypothalamus

After an electrode implanted in a cat's brain stimulates the cat's amygdala, the cat will most likely do which of the following?

Immediately withdraw in fear

Which of the following areas of the body has the largest number of sensory neurons?

Lips

People who have experienced severe damage to the frontal lobe of the brain seldom regain their ability to

Make and carry out plans

The area of the brain stem that is important in controlling breathing is the

Medulla

Significant damage to which of the following parts of the brain will most likely cause a person to fall into a deep coma from which the person will be unable to awaken?

Reticular formation

The process by which neurotransmitters are reabsorbed into the neuron after it fires is called

Reuptake

In right-handed individuals, which of the following abilities is predominantly a function of the right hemisphere of the brain?

Spatial reasoning

Ben was enjoying a walk in the woods on a beautiful Saturday afternoon. As he went around a curve, he noticed a bear walking toward him. Immediately his pupils dilated, he began to perspire, and his heart accelerated. These changes are most closely related to the function of the

Sympathetic nervous system

Immediately after firing, a neuron is incapable of responding to stimulation. This condition is referred to as

The absolute refractory phase

The sequence of shifts in the electrical charge of a neuron is called

The action potential

During neuronal firing, the part of the neuron that acts as an insulator and conductor to speed the electrical impulse as it travels down the axon is

The myelin sheath

Damage to a small part of the occipital lobe would most likely result in a

Visual deficit