Exam 2: The Biological Basis of Behavior

Feminine sex hormones are called ________.

The ribbon-like band that connects the two hemispheres of the brain is called the corpus callosum.

A baby is born with an impairment of her right cerebral hemisphere, but it is not discovered until years later, when certain clues are pieced together. Which of the following is least likely to be one of those clues?

The ________ lobe accounts for about one-half the volume of the human brain.

The two hormones which keep the blood-sugar level properly balanced are ________.

Corey was in an automobile accident that resulted in an injury to her brain. She now has difficulty maintaining her balance and normal body positions. Her ability to understand and comprehend language has also been injured. The part of her brain most likely injured was her ________ lobe.

A neuron is likely to fire ________ when stimulated by a strong signal.

The sympathetic and parasympathetic divisions are part of the ________ nervous system.

Within a neuron, information always flows from ________.

Which of the following would provide the best map of physical structures in the brains of living human beings?

Locations on a neuron into which a specific neurotransmitter fits like a key into a lock are called ________.

The part of the brain that receives and interprets visual information is the ________ lobe.

Undifferentiated precursor cells that, under the right conditions, can give rise to any specialized cell in the body are called ________ cells.

The smallest unit in the nervous system is called the ________.

A young woman returns from a day at the beach to find she has developed severe sunburn. Which neurons are sending messages from her burned skin to her brain informing her of the pain from the burn?

Electrically charged particles that are present inside and outside the neuron are called graded potentials.

The heavy footsteps on the stairs get closer and closer. Slowly, the door to the bedroom creaks open. As a strange man with a knife in his hand lunges in, you let out an ear-piercing scream. Which of the following most accurately describes your nervous system at this point?

Neural impulses vary in strength according to the strength of the incoming signal to the neuron.

Each of the following is true except ________.

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