Psych Chapter 2 Flashcards
The branch like extensions of neurons that act as the primary receivers of signal of signals from other neurons are the?
Dendrites
The junction where the axon of a sending neuron communicates with a receiving neuron is called the?
Synapse
Inhibitory, mood, sleep, impulsivity, aggression, appetite, depression, anxiety disorders are all controlled by?
Serotonin
Endorphins, norepinephrine, dopamine, and serotonin are all examples of?
Neurotransmitters.
True or False? : The brain and the spinal cord make up the peripheral nervous system.
False
What does the hypothalamus regulate?
Sexual behavior, internal body temp, hunger and thirst.
Cathy suffers from a brain disease that causes her to have tremors, an unsteady walk, dizziness, and slurred speech, among other symptoms. Which part of her brain is probably affected by this illness?
The cerebellum
What is the thick band of fibers connecting the two cerebral hemispheres?
Corpus callosum
The left temporal lobe, comprehending spoken words, formulating coherent written and spoken language are all examples of?
Wernickes area
After a stroke at the age of 72, Ellen has a hard time understanding language. She speaks very slowly, with great effort and is poorly articulated. Ellen’s stroke evidently damaged her?
Wernicke’s Area
After her car accident, Mary found herself less able to control her impulses. This would suggest that the accident caused damage to which lobe of Mary’s brain?
Frontal Lobe
What is the age that the brain starts to lose weight?
30
True or False? : Plasticity of the brain increases with age.
False
Which is most important in determining the severity of a brain injury?
The location of the injury.
The CT scan and MRI are used to produce images that reveal what within the brain?
Structures
True or False? :The PET scan is said to have several advantages over the fMRI.
False
A brain imaging technique that reveals activities in various parts of the brain based on the amount of oxygen and glucose consumed.
PET Scan
When Sam had a car accident, his injuries affected the nerves that connect his central nervous system with various muscles and glands. Sam’s injuries are related to his?
Peripheral nervous system.
What activity is largely an autonomic nervous system function?
Sweating
While watching a horror movie, Sandra noticed that her heart rate increased, she began to sweat, and her pupils began to dilate. Based on these reactions, Sandra concluded that this nervous system was engaged.
Sympathetic
As a result of it’s action, your heart stops pounding, and slows to normal, your pulse rate and breathing slow down, and the digestive system resumes to it’s normal function.
Parasympathetic nervous system
Matching: Which gland is controlled by the hypothalamus, and releases hormones that activate other glands?
The pituitary gland
Matching: Which gland is in the front lower part of neck, below the voice box, produces hormone thyroxine, and regulates food metabolism?
The thyroid gland
Matching: Which glands are the two glands above the kidneys, produces epinephrine and norepinephrine, activates sympathetic nervous system, and releases corticoids to control salt balance : releases sex hormones?
The adrenal glands
Matching: Which gland regulates blood sugar levels and releases insulin and glucagon into the bloodstream?
The pancreas
Matching: Which gland is the ovaries and testes, activated by the pituitary gland, and release sex hormones for reproduction?
The sex glands (gonads)
