Nervous System
_______ neurons carry signals away from the central nervous system
Motor/Efferent
What are the two components of the CNS?
Brain and Spinal Cord
What are the two divisions of the PNS
Autonomic and Somatic
Which receptor type detects chemical stimuli?
Chemoreceptors
The endocrine system secretes what type of molecule into the blood
Hormones
The myelination of neurons in the PNS is carried out by what type of cell?
Schwann Cells
What type of imagery involves the detection of the brain's metabolism?
PET
The sympathetic chain stems from what part of the spinal cord?
Thoracolumbar
What are the two otolithic organs?
Utricle and Saccule
What are the two hormones produced by the posterior pituitary?
ADH and Oxytocin
Which ion is the neuron relatively impermeable to?
Na+
Csf is produced by what cells?
Ependymal cells in choroid plexuses
In the organ of Corti, which membrane are the tips of the hair cells embedded in?
Tectorial Membrane
The hypothalamus stimulates the pituitary gland to release what types of hormones?
Tropic Hormones
The release of what ion is triggered by the arrival of an action potential at the synaptic terminal?
Ca2+
What are the three regulatory centers housed in the medulla?
Cardiac center, Vasomotor center, Respiratory center
The adrenal medulla secretes what two hormones and in what respective percentages?
Norepinephrine (20%), Epinephrine (80%)
For _____ vision, the ciliary muscles would relax, pulling the suspensory ligaments taut
Distance
Would catecholamines utilize an extracellular or intracellular receptor?
Extracellular
What is the relative refractory period due to?
K+ continuing to slowly leave the cell
What neurological disorder is characterized by a lack of dopamine?
Parkinson's
What body regulation mechanism, important for the regulation of body temperature, receives only sympathetic innervation?
Blood Vessel Regulation
In what order would light travel through the three cell types of the retina?
What disease is characterized by reduced sensitivity of target cells to a particular molecule?
Type II Diabetes