QUIZ #2 (Ch.3) Biology Flashcards
Down syndrome results from
An extra chromosome
The part of the cell that sends messages to neighboring cells is the?
terminal
The function of the _________________________ is to carry information to and from all parts of the body.
nervous system
The term neurotransmitter refers to:
chemical found in the synaptic vesicles that is released into the synapse
The action potential causes neurotransmitters to be released into the:
synapse
Endorphins are:
pain-controlling chemicals
The central nervous system consists of:
the brain and spinal cord
The peripheral nervous system consists of the _______ and the ______ nervous systems.
autonomic; somatic
Who was the Nobel Prize Researcher that developed the study of brain hemisphere?
Roger Sperry
Which part of the neuron is responsible for maintaining the life of the cell?
soma
A brain-imaging method that takes computer-controlled X-rays of the brain is called:
computerized axial tomography (CAT)
Insertion into the brain of a thin insulated wire through which is sent an electrical current that destroys the brain cells at the tip of the wire is called:
deep lesioning
The amygdale is implicated in__ behavior in monkeys, cats, & other animals.
aggressive
If a person is born with an incomplete corpus callosum, we would expect to see deficiencies in:
transference of information from one hemisphere to another
What are the four (4) lobes of the brain?
Frontal, Parietal, Temporal, Occipital
Which is also called fraternal twins:
Dizygotic
Components of the Parasympathetic Nervous system are:
Contracts the bladder & stimulates salivation
Which Chromosomes determine the sex of an individual?
23 rd
Which gland is also called the “Master Gland”?
Pituitary gland
Components of the Sympathetic Nervous system are:
Dilates pupils & relaxes the bladder
The Peripheral Nervous Systems is made up of the:
Somatic & Autonomic
The Endocrine system is made up of:
Hypothalamus, Pituitary, Pineal, Pancreas, Thyroid, Adrenal, Gonads
The major components of the Neuron are:
Nucleus, soma, myelin sheath, dendrites, axon, axon terminals
The synapse is important because:
It is the junction between the axon terminal of one neuron and the dendrites or cell body of another neuron.
