What are the 3 major cavities of the body?
Cranial, Thoracic, Abdominopelvic cavity
Autonomic motor neurons are subdivided into the?
Sympathetic and Parasympathetic
The region where the axon terminal meets its target cell is called the
Synapse
If the problem is dehydrated cells, the appropriate IV solution is ___ because the cell needs fluid
Hypotonic Solution
Where is CSF produced?
What causes graded potential to lose strength as they travel through the cytoplasm?
Current leak + Cytoplasmic resistance
What stops the rising phase of the action potential
The Na+ Inactivation gate closes
If the situation requires fluid that remains the same in the extracellular fluid to replace blood loss an ________ solution is used
Isotonic Solution
The lumen of a hollow organ such as the stomach is considered to be part of the
External system
What are two extracellular fluid compartments in the body?
Interstitial fluid + Blood plasma
Clusters of nerve cell bodies in the peripheral nervous system are called
Ganglia
The concentration of calcium. inside a cell is 0.3%. The concentration of calcium outside the cell is 0.1%. How could cells transport even more calcium to the inside?
Active transport
Which ion is higher in concentration inside the cell compared to the outside?
K+ ions
What are the 3 functions of the CSF?
Buoyancy, Protection, Chemical stability
What are the parts of the brain stem? What are their functions?
Midbrain, pons, and medulla oblongata
If a 10% sucrose solution is separated from a 20% sucrose solution by a membrane permeable to sucrose in which direction will net diffusion take place?
from the 20% sucrose solution to the 10% sucrose solution
Where are Interneurons found?
ONLY in the CNS
In order to signal a stronger stimulus action potentials become
More frequent
When does the deepest sleep happen?
N3
Diuretics cause the kidneys to produce large amounts of urine. This can also cause a loss of K+. This will lead to
Muscle Weakness
Hypokalemia
Hyperpolarize the cell making it harder to fire AP