LO4 Learning curve 2a

Milton has been having considerable trouble with his short-term memory. His family has noticed that Milton has been making a number of mistakes (e.g., leaving doors unlocked, getting lost in the neighborhood, forgetting family member's names). It appears that he may be suffering from depletion of _____ in his brain.

acetylcholine

The ends of axons that release neurotransmitters are referred to as: Please choose the correct answer from the following choices, and then select the submit answer button.

axon terminals.

Biological psychology is the scientific study of the _____ bases of behavior and _____ processes.

biological; mental

A hunter in a South American jungle uses the poisonous drug curare on the tip of his arrow. When the arrow strikes an animal, the animal becomes almost instantly limp and quickly suffocates because its respiratory system has become paralyzed. The drug has _____ the neurotransmitter acetylcholine.

blocked the receptors for

Drugs can specifically target certain behaviors because neurons:

communicate along certain pathways and have specific receptor sites for different neurotransmitters.

Hector has been diagnosed with Parkinson's disease. His doctor believes that Hector's tremors and poor balance may be caused in part by _____ amounts of the neurotransmitter _____.

diminished; dopamine

The neurotransmitter norepinephrine is involved in:

helping the body face danger or threat.

Parris is studying for her psychology class, and she is trying to memorize the three basic parts of a typical cell called a(n) _____. She arranges them in alphabetical order and repeats them to herself several times: axon, cell body, dendrites.

neuron

Of the nervous systems listed, the _____ nervous system includes all the others.

peripheral

When the neuron is at the resting potential, there is a high concentration of _____ ions inside the cell membrane and a high concentration of _____ ions outside the cell membrane.

potassium; sodium

If a neuron was compared with a prison, the sodium ions could be compared with the _____ when the neuron is repolarizing.

prisoners

_____ neurons process information from the external world by receiving input from the body and transferring the information to the brain through the spinal cord.

sensory

Jorge cannot feel his left leg after being struck by a car, but he can still move it and walk on it. It is MOST likely that he damaged his _____, but his motor neurons are still intact.

sensory neurons

If a neuron was compared with a prison, the _____ could be compared with the prisoners when the neuron is at the resting potential.

sodium ions

Devan is studying for his midterm and is quizzing himself on the topic of neurons. He is trying to figure out the name for that "tiny space" where neurons connect, which is the:

synaptic gap.