* not completed

. A cell that receives information and transmits it to other cells via an electrochemical process is called a(n)

neuron correct incorrect

hormone correct incorrect

glia correct incorrect

endorphin correct incorrect

* not completed

. The neurons that transmit information from the body toward the brain and spinal cord are called ___________ neurons. The neurons that transmit information from the brain and spinal cord to the muscles are called ___________neurons.

motor; sensory correct incorrect

sensory; motor correct incorrect

endocrine; sensory correct incorrect

motor; endocrine correct incorrect

* not completed

. The neuron has many branch-like extensions called ___________ that receive input from other neurons.

glia correct incorrect

dendrites correct incorrect

axons correct incorrect

terminals correct incorrect

* not completed

. Which part of the neuron is the site of neurotransmitter release?

cell body correct incorrect

axon correct incorrect

dendrite correct incorrect

terminal correct incorrect

* not completed

. Which of the following best describes the junction of two neurons?

The axon of the first cell is fused to the soma of the second cell. correct incorrect

The soma of the first cell releases neurotransmitters to be collected by the second cell’s axon. correct incorrect

The terminal of the first neuron is separated from the second neuron by a small gap called the synapse. correct incorrect

The dendrites of the first cell are fused to the dendrites of the next cell. correct incorrect

* not completed

. The flood of sodium (Na+) ions into the cell during an action potential increases the charge inside the cell, a process also known as

polarization correct incorrect

resting potential correct incorrect

depolarization correct incorrect

repolarization correct incorrect

* not completed

. A substance that increases the effect of a neurotransmitter is called an __________ , while a substance that decreases the effect of a neurotransmitter is called an ____________.

antagonist; agonist correct incorrect

agonist; aggravator correct incorrect

aggravator; antagonist correct incorrect

agonist; antagonist correct incorrect

* not completed

. Which of the following is NOT true regarding the nature of neurotransmitters?

Neurotransmitter action can be excitatory or inhibitory. correct incorrect

Neurotransmitters are released from the terminal of a presynaptic neuron. correct incorrect

Neurotransmitters in the brain form a single category called dopamine. correct incorrect

Neurotransmitters are chemical molecules. correct incorrect

* not completed

. In the central nervous system, _____________ matter is composed of myelinated axons, while ___________ matter is composed of cell bodies, unmyelinated axons, glia, and dendrites.

gray; yellow correct incorrect

white; gray correct incorrect

green; white correct incorrect

gray; white correct incorrect

* not completed

. The peripheral nervous system has two divisions called

the sensory and motor systems correct incorrect

the central and somatic systems correct incorrect

the autonomic and automatic systems correct incorrect

the somatic and autonomic systems correct incorrect

* not completed

. When your heart starts to race as you are preparing to give an oral presentation in class, this division of the autonomic nervous system is active.

autonomic correct incorrect

parasympathetic correct incorrect

sympathetic correct incorrect

metasympathetic correct incorrect

* not completed

. Which of the following is NOT true about the hindbrain?

The hindbrain includes the cerebellum, pons, and medulla. correct incorrect

The hindbrain includes many tracts of neurons that link the brain and spinal cord. correct incorrect

The hindbrain, especially the medulla, is considered the seat of human intelligence. correct incorrect

The hindbrain regulates much of your involuntary vital functions like heart rate and breathing. correct incorrect

* not completed

. The superior and inferior colliculi of the midbrain are important because

they support metabolic processes and digestion correct incorrect

they convey sensory information from outside the brain to various forebrain regions correct incorrect

they convey tactile information from inside the brain to various regions of the somatic nervous system correct incorrect

they support decision-making and problem-solving processes correct incorrect

* not completed

. The forebrain includes all of the following brain structures EXCEPT

the limbic system correct incorrect

the cerebral cortex correct incorrect

the thalamus correct incorrect

the cerebellum correct incorrect

* not completed

. You wake up in the hospital and your doctor informs you that you may have problems with your vision for a few days due to head trauma that disrupted functioning in this lobe of the cortex.

temporal correct incorrect

occipital correct incorrect

parietal correct incorrect

frontal correct incorrect

* not completed

. When musicians engage in long periods of practice, the part of this brain area that controls the hands is active.

primary somatosensory cortex correct incorrect

primary visual cortex correct incorrect

primary motor cortex correct incorrect

primary auditory cortex correct incorrect

* not completed

. You are helping a stroke victim to rehabilitate and you observe that his ability to produce language is severely impaired. You conclude that this small area between the frontal and temporal lobes has been damaged.

Wernicke’s area correct incorrect

Broca’s area correct incorrect

Ranier’s area correct incorrect

Duca’s area correct incorrect

* not completed

. This lobe integrates information from the rest of the cortex to support problem solving, decision making, and motor function.

occipital correct incorrect

temporal correct incorrect

parietal correct incorrect

frontal correct incorrect

* not completed

. Which of the following provides the best description of hemispheric specialization in the cortex?

The two hemispheres of the cortex are specialized to have identical functions. correct incorrect

The two hemispheres of the cortex are specialized for different functions, especially in the case of language. correct incorrect

The two hemispheres of the cortex are specialized to maintain most of the body’s vital functions like respiration and heart rate. correct incorrect

The two hemispheres of the cortex are specialized to compete for the brain’s resources, especially the limbic system. correct incorrect

* not completed

. What is the term for patients who have had their corpus callosum severed to prevent seizures?

split-brain correct incorrect

schizophrenic correct incorrect

half-brain correct incorrect

pea-brain correct incorrect

* not completed

. As we age, our brains continue to change according our environment, a property known as

viscosity correct incorrect

density correct incorrect

plasticity correct incorrect

fluidity correct incorrect

* not completed

. The main components of the endocrine system are

glia and neurons correct incorrect

nerves and glands correct incorrect

hormones and glands correct incorrect

glands and skin correct incorrect

* not completed

. One interesting aspect of the pituitary gland is that

it plays no role in the endocrine system even though it is a gland correct incorrect

the two parts of the pituitary gland are in different hemispheres of the brain correct incorrect

it is a part of the hypothalamus that controls the movements of our heads correct incorrect

it is a gland but is also connected directly to the hypothalamus of the brain correct incorrect

* not completed

. These neuroscientists often employ nonhuman animals in research and are interested in the neural bases of behavior.

cognitive neuroscientists correct incorrect

biological scientists correct incorrect

molecular neuroscientists correct incorrect

behavioral neuroscientists correct incorrect

* not completed

. Unlike phrenology, this early theory of brain organization held that any portion of the cortex could support any mental activity.

equilibrium correct incorrect

equatorial theory correct incorrect

equipotentiality correct incorrect

eventide theory correct incorrect

* not completed

. Contemporary cognitive neuroscientists often employ a technique called _____________ which uses multiple radio-frequency images of the brain to detect changes in activity in a

functional magnetic resonance imaging correct incorrect

functional electroencephalography correct incorrect

functional positron emission tomography correct incorrect

functional electrical stimulation imaging correct incorrect

* not completed

. Contemporary cognitive neuroscientists often employ a technique called _____________ which uses multiple radio-frequency images of the brain to detect changes in activity in a

functional magnetic resonance imaging correct incorrect

functional electroencephalography correct incorrect

functional positron emission tomography correct incorrect

functional electrical stimulation imaging correct incorrect