Jeopardy Flashcards
Heterozygous
An individual has one dominate and one recessive allele
22 chromosomes are
autosomes
Huntington’s disease is
regarded to be an exclusively genetic disease
Meiosis
Process of cellular division that results in producing half the number of chromosomes
Phenotypes
Observable physical characteristics or traits of an organism
Describe the composition of ions inside and outside a neuron at rest
Intracellular potassium, extracellular sodium ad chloride
What is salutatory conduction?
AP invigorated over the nodes of Ranvier (myelin sheath made from glial cells- oligodendroglial)
What is the function of the sodium-potassium pump in a neuron?
Maintain neuron resting potential
Name one function of microglia
Phagocytosis, immune function, and inflammatory response
When a neuron is at rest, the inside of the neuron is…..relative to the outside
Negative
Basal ganglia
Subcortical structure that plays an important role in controlling movements
Where in the brain is the periaqueductal gray located?
Midbrain/ brainstem
Name the layers of the meninges in order, starting with outermost (toward the skull) layer:
Dura mater, arachnoid layer, pia mater
Name the brain structure that connects the right and left hemispheres
corpus callosum
What is the brain stem responsible for?
It is a general brain region responsible for cardiac/ respiratory function, consciousness, and arousal
Common SSRI meds like Prozac are believed to work by blocking reuptake of NTs on presynaptic autoreceptors…
False - transporter (reuptake) vs autoreceptor (detects amount in cleft and then stops release of NT)
The immediate effect of being bitten by a black widow spider (strong acetylcholine agonist) would do what to skeletal muscle in the area near the bite?
Spasm, contraction
What is primary inhibitory NT in the brain?
GABA (excitatory is glutamate)
Antagonist
A drug that blocks the normal function of endogenous ligands at a receptor site
fMRI
Is a type of neuroimaging technology that can provide an image of the brain in vivo (i.e., live functioning) as tasks are performed.
Experimental ablation to the cerebellum would result In impairment of what function?
Motor coordination
If a patient has a lesion in hippocampus, what cognitive function is most likely to be impaired?
Memory - know spatial/ visual memory issues in right hippocampus and auditory/ verbal memory issues in left hippocampus damage
A research study finds a high concordance for schizophrenia between monozygotic twins. this provides evidence that schizophrenia has a strong
Genetic component