Chapter 3 Concept Quiz Flashcards
Which of the following is NOT a function of a neuron?
A. processing information
B. Communicating with other neurons
C. Nutritional provision
D. Sending messages to body organs and muscles
Nutritional Provsion
Signals from other neurons are received and relayed to the cell body by:
Dendrites
Signals are transmitted from one neuro to another:
Across a synapse
Which type of neuron receives information from the external world and conveys this information to the brain via the spinal cord?
A sensory neuron
An electrical signal that is conducted along the length of a neuron’s axon to the synapse is called a(n):
Action Potential
The chemicals that transmit information across the synapse to a receiving neuron’s dendrites are called:
Neurotransmitters
The ______ nervous system automatically controls the organs of the body.
Autonomic
When you feel threatened, your _____ nervous system prepares you to either fight or run away.
Sympathetic
Which part of the hindbrain coordinates fine motor skills?
The Cerebellum
What part of the brain is involved in movement and arousal?
The Hindbrain
The ______ regulates body temperature, hunger, thirst, and sexual behavior.
Hypothalamus
What explains the apparent beneficial effects of cardiovascular exercise on aspects of brain function and cognitive performance?
Neuron Plasticity
During the course of embryonic brain growth, the ____ undergoes the greatest development.
Cerebral Cortex
The first true central nervous system appeared in:
Flatworms
Genes set the ____ in populations within a given environment.
range of variation
