PHGY 215 Final Exam Questions and
Correct Answers.
Cadherins - Answer CAM found in desmosomes
Plaques - Answer intracellular plates that form the anchor for desmosomes
Kiss Site - Answer location of tight junction formation
Connexon - Answer 6 connexin channels to create one gap junction
Pinocytosis - Answer cell drinking
Dynamin - Answer enzyme that pinches off vescicle
v-SNARE and t-SNARE - Answer exocytosis golgi vesicle identification markers
Larger diameter neuron - Answer increased rate of conduction
choroid plexus - Answer pia mater covered by ependymal cells that produce CSF
stretch reflex - Answer patellar tendon stretches the muscle, in turn causing the muscle to
contract through a negative feedback loop
withdrawal reflex - Answer withdrawal from painful stimulus
Brain Stem functions: - Answer House Cranial nerves
Vegatative Functions
Posture Reflexes
Reticular Activating System
Sleep
Hypothalamus functions: - Answer Secretion of pituitary hormones
Sleep-Wake cycle
ANS coordinating centre
, uterine contraction + milk
Food intake
Urine + thirst
Emotion
Body Temperature
Vestibulocerebellum - Answer balance and eye movement
Spinocerebellum - Answer Enhances muscle tone and coordinates skilled, voluntary
movements
Cerebrocerebellum - Answer planning and planning of voluntary activity
Basal Ganglia - Answer structures in the forebrain that help to control movement
Generator potential - Answer similar to receptor potential but in a specialized afferent ending
Tonic receptors - Answer adapt slowly or not at all
Phasic receptors - Answer display adaptation and decrease frequency of action potentials
A-delta fibers - Answer quick, sharp pain
C fibers - Answer long, dull pain
Substance P - Answer a neurotransmitter involved in nocireception
AMPA receptors - Answer nocireceptors that respond to glutamate, fires AP
NMDA receptors - Answer normally blocked by Mg2+ but AP dislodges it, leads to increased
sensitivity/permeability
a1 receptor - Answer preference for norepinephrine, activates g-protein to activate Ca2+,
excitatory
Correct Answers.
Cadherins - Answer CAM found in desmosomes
Plaques - Answer intracellular plates that form the anchor for desmosomes
Kiss Site - Answer location of tight junction formation
Connexon - Answer 6 connexin channels to create one gap junction
Pinocytosis - Answer cell drinking
Dynamin - Answer enzyme that pinches off vescicle
v-SNARE and t-SNARE - Answer exocytosis golgi vesicle identification markers
Larger diameter neuron - Answer increased rate of conduction
choroid plexus - Answer pia mater covered by ependymal cells that produce CSF
stretch reflex - Answer patellar tendon stretches the muscle, in turn causing the muscle to
contract through a negative feedback loop
withdrawal reflex - Answer withdrawal from painful stimulus
Brain Stem functions: - Answer House Cranial nerves
Vegatative Functions
Posture Reflexes
Reticular Activating System
Sleep
Hypothalamus functions: - Answer Secretion of pituitary hormones
Sleep-Wake cycle
ANS coordinating centre
, uterine contraction + milk
Food intake
Urine + thirst
Emotion
Body Temperature
Vestibulocerebellum - Answer balance and eye movement
Spinocerebellum - Answer Enhances muscle tone and coordinates skilled, voluntary
movements
Cerebrocerebellum - Answer planning and planning of voluntary activity
Basal Ganglia - Answer structures in the forebrain that help to control movement
Generator potential - Answer similar to receptor potential but in a specialized afferent ending
Tonic receptors - Answer adapt slowly or not at all
Phasic receptors - Answer display adaptation and decrease frequency of action potentials
A-delta fibers - Answer quick, sharp pain
C fibers - Answer long, dull pain
Substance P - Answer a neurotransmitter involved in nocireception
AMPA receptors - Answer nocireceptors that respond to glutamate, fires AP
NMDA receptors - Answer normally blocked by Mg2+ but AP dislodges it, leads to increased
sensitivity/permeability
a1 receptor - Answer preference for norepinephrine, activates g-protein to activate Ca2+,
excitatory
