Psychology Quiz Ch. 2

Which neurotransmitter stimulates muscle cells to contract but slows contractions in the heart?

Acetylcholine.

Heroin mimics the actions of endorphin's, inhibiting pain signals and creating a "high" feeling. Heroin is an example of a(n):

Agonist.

Involuntary muscles are controlled by the _____ nervous system.

Autonomic.

Nicole and Camille are synchronized swimmers for their college swim team. They often work long hours to ensure the movements in their routine are perfectly timed. What part of their brains must Nicole and Camille rely most upon?

Cerebellum

In the structure of the neuron, the _______ receives messages from other cells.

Dendrite.

Which part of the brain is involved in the creation of memories and is often linked to Alzheimer's disease?

Hippocampus

Jaime's grandfather recently suffered a stroke and has had difficulty with language production ever since. Most likely, he has experienced damage to the ______ area of his brain.

Left Frontal

Which of the following insulates and protects a neurons axon, as well as helps speed along electrical impulses?

Myelin sheath

Oligodendrocytes and Schwann cells generate a fatty substance known as...

Myelin.

Bailey is a subject in a study on memory and problem solving. The researcher is applying magnetic pulses to her brain through copper wire coils positioned directly above her scalp. Bailey's study would best be described as a...

Noninvasive Stimulation Technique.

Which technique of studying the brain involves injecting the patient with radioactive glucose?

PET

As you take notes, your heart beats at a normal rate. Your breathing is normal and your stomach slowly digests your earlier meal. What division of the peripheral nervous is currently in action?

Parasympathetic.

Robert has a difficulty sleeping for the past 6 months and his body seemingly no longer differentiates between night and day. His doctor believes the problem lies with Robert's endocrine system. What gland will Robert's physician focus on?

Pineal

Which gland is known to influence all other glands within that endocrine system?

Pituitary gland.

Maria often sleeps soundly and rarely awakens to any outside noise. However, the cries of Maria's baby can awaken her immediately. What part of the brain is responsible for this reaction?

Reticular Formation.

Although the brain works largely as a whole, what is not a correct pairing of the hemisphere and function?

Right; control of the right handed motor functions

Your psychology professor refers to this as the great relay station of the brain. What part are they referring to?

Thalamus

Jessica has suffered a severe blow to the back of the head when she was thrown from her horse. Subsequently, her occipital lobe has been injured. Which of her senses has the highest chance of being affected?

Vision

Felicia is recovering from a brain injury. She is able to speak fluently but often uses incorrect words in a sentence. In one instance, she said, "I would like something to drink. Can I have some battery?" This problem is known as....

Wernicke's aphasia

When a neuron is in the resting potential state, the neuron is negatively charged on the ______ and positively charged on the ______.

inside; outside.