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PNB 2274 FINAL EXAM 2026
QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
Ligand - ANSWER-A molecule that binds specifically to another
molecule, usually a larger one.
G protein coupled receptors - ANSWER-slow synaptic
transmission
Ca2+ depolarization - ANSWER-moves into the cell.
calcium serves as a signal to release neurotransmitters across
synaptic cleft
does this class suck? - ANSWER-yes
anatomy - ANSWER-structure
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what are the walls of blood capillaries composed of? -
ANSWER-thin epithelium
simple squamous
gross anatomy - ANSWER-what we see with the unaided eye,
superficial and deep structures
microscopic anatomy - ANSWER-requires magnification
cytology - ANSWER-study of cells
histology - ANSWER-study of tissue
physiology - ANSWER-function
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the structure of capillary walls, - ANSWER-promotes nutrient
and waste exchange
inferior-superior - ANSWER-below- above
rostral- caudal - ANSWER-front- back
anterior - posterior - ANSWER-front- back
ventral- dorsal - ANSWER-front-back
medial -lateral - ANSWER-towards middle- away from middle
proximal- distal - ANSWER-nearer the trunk or attached
end/farther from the trunk or point of attachment
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superficial -deep - ANSWER-toward and away from the body
surface
coronal - ANSWER-divides into front and back
transverse - ANSWER-divides into upper and lower
midsaggital - ANSWER-divides into left and right
homeostasis - ANSWER-the tendency of an organism to
maintain a stable internal environment even though the external
environment changes
homeostatic control systems - ANSWER-monitor the internal
environment and correct as needed
cellular level - ANSWER-local control
PNB 2274 FINAL EXAM 2026
QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
Ligand - ANSWER-A molecule that binds specifically to another
molecule, usually a larger one.
G protein coupled receptors - ANSWER-slow synaptic
transmission
Ca2+ depolarization - ANSWER-moves into the cell.
calcium serves as a signal to release neurotransmitters across
synaptic cleft
does this class suck? - ANSWER-yes
anatomy - ANSWER-structure
, Page | 2
what are the walls of blood capillaries composed of? -
ANSWER-thin epithelium
simple squamous
gross anatomy - ANSWER-what we see with the unaided eye,
superficial and deep structures
microscopic anatomy - ANSWER-requires magnification
cytology - ANSWER-study of cells
histology - ANSWER-study of tissue
physiology - ANSWER-function
, Page | 3
the structure of capillary walls, - ANSWER-promotes nutrient
and waste exchange
inferior-superior - ANSWER-below- above
rostral- caudal - ANSWER-front- back
anterior - posterior - ANSWER-front- back
ventral- dorsal - ANSWER-front-back
medial -lateral - ANSWER-towards middle- away from middle
proximal- distal - ANSWER-nearer the trunk or attached
end/farther from the trunk or point of attachment
, Page | 4
superficial -deep - ANSWER-toward and away from the body
surface
coronal - ANSWER-divides into front and back
transverse - ANSWER-divides into upper and lower
midsaggital - ANSWER-divides into left and right
homeostasis - ANSWER-the tendency of an organism to
maintain a stable internal environment even though the external
environment changes
homeostatic control systems - ANSWER-monitor the internal
environment and correct as needed
cellular level - ANSWER-local control
