Exam 2: The Biological Basis of Behavior

Genes can directly cause human behavior.

Every deliberate action you make, from pedaling a bike to scratching a toe, involves neurons in the ________ nervous system.

Gloria's friends have recently noticed a startling change in her behavior. She eats everything in sight but gains little, if any, weight. She speeds around the room as if she were taking amphetamines. She seems constantly tense and agitated, and has trouble sleeping. She has become impulsive and lately she seems to be upset by even the slightest stress. The source of Gloria's problems is probably an ________ gland.

When a neuron is polarized, ________.

The central nervous system carries messages to and from the brain.

Research on human brain tissue has found that human brains are ________.

The ________ nervous system links the brain and spinal cord to the rest of the body.

The hormone that causes the anterior pituitary gland to release hormones that prolong responses to stress, thus causing you to remain aroused for some time after extreme emotional excitement is ________.

Amy has suffered damage to Broca's area in her brain. She is most likely to exhibit ________ aphasia.

The adrenal glands are important in your body's reaction to ________.

________ techniques are used to study the functions of single neurons.

A group of axons bundled together is called a ________.

The cell membrane of a neuron is ________.

Males are ________ likely than females to be left-handed.

When brain researchers want to map the structures in a living human brain, they turn to ________.

The hemisphere of the brain most dominant in verbal tasks is the right hemisphere.

Family studies are usually based on families with identical twins.

The sympathetic division carries messages to the body which tell it to prepare for an emergency.

Caffeine arouses people by blocking the receptors for ________.

It's midnight and you are alone in your room studying. You hear a loud crash outside your room and your whole body reacts instantly. Your pupils dilate, your heart rate increases, your blood pressure rises, adrenaline surges through your body, and your senses sharpen as you begin anxiously looking for whatever caused the crash. These reactions are produced by the ________.