Unit Exam

Damage to the cerebellum would most likely result in what problems?

A loss of motor coordination

A person will most likely develop aphasia as a result of damage to which of the following parts of the brain

Wernicke's area

Multiple sclerosis is a disease in which the immune system mistakenly destroys some if the myelin wrapped around nerve cell fibers. Which nerve cell fibers are being attacked by this process

Axons

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

Difficulty with speech production

Dr Jovial is trying to design a happy helmet that will. Make people experience pleasure when they wear it. Dr jovial should design the helmet so that it causes a release of this neurotransmitter

Dopamine

"Hey, its too crowded in here, stop shoving boy, i can't wait until i am free, im going to flow across the synapse and find the perfect receptor for me and you guys wont fit" this conversation is taking place among

Neurotransmitter molecules in a vesicle

Kwesi notices that her reaction time is much slower than many of her friends time on various tasks and she believes this is because the action potential fired by the cells in her nervous system slow dawn as they reach the end of the axons. This statement is incorrect because action potentials

Niether speed up or slow down

You have been up all night studying for a midterm and are tired, you read for your hot chocolate but grab the hot burner instead, what occurs

Your reflexive action occurred entirely within the spinal cord

The network of structure involved in memory emotion and motivation is

Limbic system

Damage to which brain structure may cause the inability to detect the emotional significance of facial expression especially those demonstrating fear?

Amygdala

An individual was admitted to the hospital after experiencing a mild tingling on the right side of the face and sudden inability to speak. Using magnetic resonance imaging (MRI) a doctor would likely find

An abnormality in the brain tissue of the left hemisphere

A drug that has the effect of intensifying or mimicking a particular neurotransmitter can be characterized as...

An agonist

Curare blocks action at acetylcholine synapses and causes paralysis. This drug is an example of

Antagonist

Subdivisions within the major divisions of the nervous system

Autonomic... sympathetic and parasympathetic

Dr Wozniak is examining a call from the nervous system of an animal. He notices that at one end of the cell body is a long fibrous strand of tissue . He immediately recognized this as an axon that is responsible for

Carrying the signals away from the cell Body

A jeweler is repairing a gold chain with very tiny links. The jewelers ——- would be very important in her ability to do this repair

Cerebellum

Suppose that the left hemisphere of Jamal's brain is damaged but the right hemisphere is left intact. Jamal would be most likely to experience a deficit in his ability to

Converse with friends

Wayne was injured when a rotary saw blade was accidentally use in a game of frisbee gold. Wayne seemed alright except for the large cut through the middle of his skull. However when he was asked to place his left hand into his left pockets and verbally describe the contents he couldn't. Having taken introductory psychology his friend Garth deduced "Wayne's ____ must be cut! Party on"

Corpus callosum

What is a brain imaging technique that produces the most detailed picture of the brain structure?

Magnetic Resonance Imaging (MRI)

Dennis is an anesthesiologist. Before a patient experiences surgery, Dennis administers an opiate to numb the pain. The opiate works by mimicking the effects of the neurochemical substance called

Endorphins

Elwin is developing a neuromuscular problem because of a shortage of certain neurotransmitters in his cells. This shortage means that

Information can't get transmitted across his synapse

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

Medulla

Athena was a subject in a study which the glucose in her brain was marked with radioactive substance. Then radiation detectors identified especially active brain areas. Athena participated in a study that employed

Positron emission tomography (PET)

Arthur tje axon and his friends have the tiring job of carrying signals to the synapse. Because this is hard work arty and his pals insist that they take a brief rest after send one message and before they send another one. Their coworkers are used to this and know not to disturb arty and his friends during their _____ period

Refractory

An image projected to the left visual field of a split-brained person would be processed in the

Right visual cortex

What is the primary function of the brain region indicated bu the arrow in the illustration

Sleep, waking, dreaming

Which part of the brain represented here is indicatated as area A

Somatosensory cortex

In right hand individuals which of the following abilities is predominantly a function of the right hemisphere of the brain?

Spatial reasoning

Ramon hides a fake bloody severed finger in gebraes lunch box. Gebrae is startled when he opens his lunch box and sees the finger. His increased heart rate and resapiration results from the activity of his ______ system

Sympathetic

Which part of the nervous system is most immediately activated by sudden fear

Sympathetic

Brain 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 dial acted he began to perspire and his heart accelerated. These changes are most closely related to the function of the

Sympathetic nervous system

Brain plasticity refers to what

The ability of brain tissue to take on new functions

brain lateralization refers to

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

The image of a boat is flashed only to toms left hemisphere. If tom does not have a corpus callosum how could tom communicate this information to another person

Tom could say the word boat or write the word boat with right hand because the tight visual field is processed in the left hemisphere which processes language

Which of the following is classified as an antagonist

Tricyclic

Damage to the occipital lobe would most likely affect a person's

Vision

What if the image of a boat were flashed only to toms right hemisphere? Could he communicate boat? If he could not describe how, if not why?

Yes, he could draw a boat with his left hand and not say or write boat because the left visual field is processed in the right hemisphere which processed visuals.

The occipital lobes contain

primary visual cortex