Pysch Ch 3

Glucose, a small uncharged molecule, can pass through the cell membrane, but sodium ions do not pass through the membrane easily. What is the most accurate explanation for these findings?

The cell membrane is semi-permeable.

During the fight or flight response, which of the following endocrine glands is most likely to increase activity?

adrenal

The ________ is involved in our experience of emotion and tying emotional meaning to our memories.

amygdala

The two major divisions of the nervous system are the ________ and ________.

central; peripheral nervous systems

Which of the following imaging techniques does not collect information about brain functioning?

computerized tomography (CT) scan

Which two neurotransmitters have roles in appetite suppression?

dopamine; norepinephrine

The effects of neurotransmitters tend to be ________, whereas the effects of hormones tend to be ________.

fast; long lasting

Psychotropic medications are drugs that treat psychiatric symptoms by restoring ________ balance.

neurotransmitter

The ________ gland is often referred to as the master gland of the endocrine system.

pituitary

Which of the following is not a forebrain structure?

pons

Sensory and motor neurons of the ________ nervous system are associated with activities traditionally thought of as conscious or voluntary.

somatic

Which of the following is not a limbic system structure?

substantia nigra

Jeremy has Parkinson's disease, a progressive neurodegenerative disease that affects motor skills. In addition to motor symptoms, Jeremy has noticed changes in his mood, and he feels the need to smoke more cigarettes than he used to. It is likely that Jeremy's ________ is producing less ________ than it needs to.

substantia nigra; dopamine

The space between two neurons is called the ________.

synapse

The ________ of a neuron contain ________ that house neurotransmitters, the chemical messengers of the nervous system.

terminal buttons; synaptic vesicles

Considerable debate occurs regarding the use of anabolic steroid drugs like ________ in professional athletes and bodybuilders.

testosterone

Which of the following is not a disadvantage of PET scanning?

An alternative diagnostic tool is fMRI.

The endocrine system consists of a series of glands that produce chemical substances known as ________.

hormones

Clive Wearing could remember which of the following types of memory?

how to play the piano

In a resting state, sodium (Na+) is at a higher concentration outside the cell and potassium (K+) is more concentrated inside the cell. During an action potential, the sodium levels ________ inside the cell.

increase