biological quiz 4

Researchers using a biochemical method to direct a mutation to a particular gene are using the ____ approach

gene-splicing

Given their effects on the nervous system, one side effect of over-the-counter cold remedies is increased

heart rate

Based on brain-to-body weight ratio, it appears that:

intelligence is not simply an outcome of this ratio.

In the parasympathetic nervous system, the preganglionic fibers are _____, and the postganglionic fibers are _____.

long, short

Monkeys with Kluver-Bucy syndrome fail to show normal fears and anxieties after damage to the:

temporal lobe.

The diencephalon is composed of the:

thalamus and hypothalamus

Damage to which hindbrain structure would be most life-threatening?

Medulla

Which part of the nervous system prepares the body for "fight or flight" activities?

Sympathetic

The nucleus basalis is a key part of the brain's system for

attention.

The temporal lobe of the cerebral cortex is the primary target for which kind of sensory information?

auditory

What are the two parts of the central nervous system?

brain and spinal cord

What is the name given to a cluster of neurons outside the CNS?

Ganglion

Which activity is increased by the sympathetic nervous system?

Heart rate

In which area of the brain would one find the tectum, tegmentum, superior and inferior colliculi, and substantia nigra?

Midbrain

The cerebellum contributes to the control of what function?

Movement

What is one important difference between people who are blind because of cortical blindness and others who are blind because of problems with their eyes?

People with damage to their eyes can still imagine visual scenes.

Although the pituitary is often called the master gland, its activity is regulated by the:

hypothalamus.

In anatomy, the opposite of medial is:

lateral.

The hindbrain consists of the:

medulla, pons, and cerebellum.

In the spinal cord, white matter is comprised mostly of _____, while gray matter is mostly _____.

myelinated axons; cell bodies

Together, the somatic nervous system and the autonomic nervous system make up the _____ nervous system.

peripheral

What is the primary target area on the cerebral cortex for touch and other skin sensations?

postcentral gyrus

Damage to the ____ often causes people to lose their social inhibitions and to ignore the rules of polite conduct.

prefrontal cortex

Cortical blindness may result from the destruction of:

the occipital cortex.

Acetylcholine is the only neurotransmitter released by:

the parasympathetic nervous system's postganglionic axons.

Prefrontal lobotomies were conducted in the United States in an attempt to:

treat severe psychiatric disorders.