Exam 2: The Biological Basis of Behavior

The thyroid gland helps to regulate your body's metabolism.

Neurons that carry messages from the spinal cord or the brain to the muscles and glands are called ________.

Humans share about ________ percent of their genes with chimpanzees.

Todd's fraternal twin brother suffers from schizophrenia. The odds are ________ percent that he, too, will develop this mental illness.

The two hormones secreted by the pancreas are insulin and adrenaline.

The oldest and most primitive of the brain's structures are the cerebral hemispheres.

The structure directly over the brain stem that relays and translates sensory information is the ________.

Which of the following is not one of the layers of the brain that evolved in different stages of evolution?

Todd's identical twin brother suffers from schizophrenia. The odds are about one out of ________ that he, too, will develop this mental illness.

Studies that estimate the heritability of a trait by breeding animals with other animals that have the same trait are called ________ studies.

Which of the following statements is true?

The neuron cannot fire during the absolute refractory period.

In recent research, Rosenweig found that a stimulating environment results in larger neurons with more synaptic connections ________.

The part of the brain that sends "alert" messages to the higher brain structures is the ________.

The "all or none law" refers to the fact that ________.

The axon of a neuron is often surrounded by a fatty covering called the myelin sheath.

When a neuron is polarized, ________.

Neurons that carry messages from one neuron to another are called ________ neurons.

Endorphins ________.

The main ingredient found in chromosomes and genes is ________.