Ivy Tech APHY 201 Final Exam Questions with Correct Answers
Question 1:
Hypothalamic functions include thirst
body temperature sleep wake cycles
autonomic control center negative feedback example
stimulus A causes response B, which then decreases stimulus A homeostatic mechanisms
help to keep a relatively constant internal environment in the body ribosomes
small, non membranous organelles that make proteins
a phospholipid bilayer with protein molecules throughout is called the fluid mosaic model of
the plasma membrane
primary active transport uses as a source of energy
ATP
osmosis
type of diffusion that specifically involves movement of water diffusion is net movement of
particles from an area of concentration to an area of
concentration high; lower
diffusion continues to occur until there is an
Answer:
thalamus
continued mild or partial contraction of muscle that keeps it healthy and ready to respond to
stimulus skeletal muscle cells are responsible for the pumping action of the heart T or F
of solute particles on both sides of a semipermeable membrane
equal concentration
in the sodium-potassium pump
potassium enter
sodium leave
sarcoplasmic reticulum stores in skeletal muscle cells calcium ions
muscles cells initiate nerve impulses T or F false
muscle tone
functional unit of contraction in skeletal muscle fiber sarcomere
cross bridges form between thick and thin filaments when myosin heads bond to actin binding
sites
false
saltatory conduction refers to conduction of a nerve impulse by a axon
myelinated
resting membrane potential is dependent on selective permeability
active transport of Na & K
presence of non diffusible anions (proteins) use of ATP
hyperpolarization after the action potential is caused by
, Question 2:
ISPSs never generate action potentials T or F truedendritesmain receptive (input) regions of the
neuron trueNociceptorsnotify brain of pain stimulus proprioceptorsnotify brain about body
movements and position in space afferent nerves carry informationthe brain towardbundles of
axons are called in the CNS andin the PNS
Answer:
too much potassium leaving the cellsynaptic vesicles of any single neuron only contain one kind
of neurotransmitter T or F
Question 3:
ISPSs never generate action potentials T or F true
dendrites
main receptive (input) regions of the neuron true
Nociceptors
notify brain of pain stimulus proprioceptors
notify brain about body movements and position in space afferent nerves carry information
the brain toward
bundles of axons are called in the CNS and
in the PNS
Answer:
too much potassium leaving the cell
synaptic vesicles of any single neuron only contain one kind of neurotransmitter T or F
Question 1:
Hypothalamic functions include thirst
body temperature sleep wake cycles
autonomic control center negative feedback example
stimulus A causes response B, which then decreases stimulus A homeostatic mechanisms
help to keep a relatively constant internal environment in the body ribosomes
small, non membranous organelles that make proteins
a phospholipid bilayer with protein molecules throughout is called the fluid mosaic model of
the plasma membrane
primary active transport uses as a source of energy
ATP
osmosis
type of diffusion that specifically involves movement of water diffusion is net movement of
particles from an area of concentration to an area of
concentration high; lower
diffusion continues to occur until there is an
Answer:
thalamus
continued mild or partial contraction of muscle that keeps it healthy and ready to respond to
stimulus skeletal muscle cells are responsible for the pumping action of the heart T or F
of solute particles on both sides of a semipermeable membrane
equal concentration
in the sodium-potassium pump
potassium enter
sodium leave
sarcoplasmic reticulum stores in skeletal muscle cells calcium ions
muscles cells initiate nerve impulses T or F false
muscle tone
functional unit of contraction in skeletal muscle fiber sarcomere
cross bridges form between thick and thin filaments when myosin heads bond to actin binding
sites
false
saltatory conduction refers to conduction of a nerve impulse by a axon
myelinated
resting membrane potential is dependent on selective permeability
active transport of Na & K
presence of non diffusible anions (proteins) use of ATP
hyperpolarization after the action potential is caused by
, Question 2:
ISPSs never generate action potentials T or F truedendritesmain receptive (input) regions of the
neuron trueNociceptorsnotify brain of pain stimulus proprioceptorsnotify brain about body
movements and position in space afferent nerves carry informationthe brain towardbundles of
axons are called in the CNS andin the PNS
Answer:
too much potassium leaving the cellsynaptic vesicles of any single neuron only contain one kind
of neurotransmitter T or F
Question 3:
ISPSs never generate action potentials T or F true
dendrites
main receptive (input) regions of the neuron true
Nociceptors
notify brain of pain stimulus proprioceptors
notify brain about body movements and position in space afferent nerves carry information
the brain toward
bundles of axons are called in the CNS and
in the PNS
Answer:
too much potassium leaving the cell
synaptic vesicles of any single neuron only contain one kind of neurotransmitter T or F
