Psych 2b

Gabriella's father is at the doctor's office because he hasn't been feeling well. His doctor tells him that he is having trouble with the regulation of blood sugar. Gabriella wonders if there is something wrong with his pancreas, because it secretes _____ to regulate blood sugar.

Insulin

Which statement BEST characterizes the corpus callosum?

It is the principal structure for information shared between the two hemispheres.

Niels is trying to imagine what the human nervous system looks like. He knows that the body has neurons that run up and down the spine and branch throughout the body. These neurons provide the connection between the:

brain and body

How are movements commanded by the spinal cord and brain carried out?

by motor neurons carrying information from the central nervous system to produce movement in various parts of the body

This morning in class, Emmie was asked to explain what nerves are. She reported that they are the bundles of neurons that carry information to and from the:

central nervous system

Split-brain experiments are studies of people who have had their _____ severed.

corpus callosum

What did Broca discover as a result of autopsies on two men who were not able to talk?

damage to the same area on the side of the left frontal lobe

The _____ is a communication system that uses glands rather than neurons to convey messages.

endocrine system

Dione is talking with a classmate about the _____, which is the communication system that uses glands rather than neurons to convey messages. She explains that the messages are the _____ that are released into the bloodstream.

endocrine system; hormones

Dr. Fritz is studying the human nervous system. He has gotten permission by the Institutional Review Board to put participants in stressful situations so that he can monitor their reactions. He will be looking at how the sympathetic nervous system mobilizes the _____ response to the stress.

fight-or-flight

Falito is talking to his housemate about his psychology class. Today, his instructor was discussing _____, which are chemicals released into the bloodstream. Falito explains to his housemate that this process is an important part of the endocrine system.

hormones

James is studying the types of neurons that play a role in the back and forth communication between the central nervous system and the rest of the body. He knows that one type of nerve cell resides exclusively in the brain and spinal cord and acts as a bridge connecting sensory and motor neurons. What is the name of this type of nerve cell?

interneuron

The _____ controls language in most but not all people.

left hemisphere

Elijiah is learning about the glands in the endocrine system. He has been thinking about his sleep-wake cycle, and he realizes that his pineal gland secretes _____ to control it.

melatonin

Dr. Wallace is describing the peripheral nervous system to his students. He states that _____ are neurons bundled together, and they can think of them as electrical cables carrying signals from place to place.

nerves

Nerves are the primary mechanism for communication of information by the:

peripheral nervous system.

A _____ is the process in which a stimulus causes an involuntary response.

reflex arc

Professor Sontag is dean of her college. She is working very hard to get more women to sign up for certain fields in which the number of women employed continues to be low. For example, she is actively working to get more women to register for:

science, math, and engineering.

How does the thyroid gland regulate the rate of metabolism?

secreting thyroxin

Briel is preparing a poster board for her presentation in class tomorrow. She will be discussing the flow of information in the human nervous system. She has drawn an incoming arrow, which represents how information flows from the _____ into the central nervous system.

sensory nerves

Brandon Burns suffered a brain injury that temporarily immobilized half of his body. The paralysis would have affected his entire body if the bullet had severed his _____, the bundle of neurons that allows communication between the brain and the peripheral nervous system.

spinal cord

Randi is reading about work by Sperry and Gazzaniga, who studied people who had their corpus callosum severed. Their _____ experiments helped to uncover the functional differences between the two sides of the brain.

split-brain

Charusheela is alone in her house and has just heard a loud sound outside her window. She normally does not get frightened, but tonight she is, and she is noticing her breathing increase and her pulse quicken. Her _____ and _____ both are working to respond to this potential crisis.

sympathetic nervous system; endocrine system

Nadia is studying the endocrine system. She has been reading about the gland that regulates the rate of metabolism by secreting thyroxin. This gland is called the:

thyroid gland