BIO 373L FINAL EXAM Questions and
Answers (Latest 2026)
Put the following structures in the correct order as a sound
wave hits the tympanic membrane.
___movement of perilymph
___action potentials within fibres of cochlear nerve
____bony ossicles
___cation flux in stereocilia
___oval window - Correct Answers ✅1. Bony Ossicles
(striked by tympanic membrane)
2. Oval Window
3. Movement of perilymph
4. cation flux in stereocilia
5. Action potentials of cochlear nerve
Olfaction is the only special sense in which ..
a) the detecting cells are bipolar neurons that send action
potentials
b) GPCRs are involved in signal transduction
c) the first synapse is in the brain
d) a and c
e) a. b and c - Correct Answers ✅d) a and c
, BIO 373L FINAL EXAM Questions and
Answers (Latest 2026)
Compared to normal systemic capillaries, the main
difference(s) in the Starling forces in glomerular capillaries
is/are that ...
a) the fluid pressure in Bowman's capsule opposing filtration
is higher than that of interstitial fluid.
b) the hydrostatic pressure gradient in the glomerular
capillaries has a greater drop from the arteriolar to the
venous end.
c) the forces in glomerular capillaries always favour filtration
d) a and c
e) a, b and c - Correct Answers ✅d) a and c
Cidofovir is an antiviral drug used to treat a viral eye infection
(cytomegalovirus retinitis) in HIV patients. This drug is highly
nephrotoxic and 90% of an intravenous dose is recovered
from urine within 24h.
Patients receiving cidofovir are concurrently treated with
probenecid to counter these effects. Why?
Question options:
a) Probenecid will compete with cidofovir for the basolateral
OAT transporter and reduce the amount of the antiviral that
gets into the tubular epithelial cells.
Answers (Latest 2026)
Put the following structures in the correct order as a sound
wave hits the tympanic membrane.
___movement of perilymph
___action potentials within fibres of cochlear nerve
____bony ossicles
___cation flux in stereocilia
___oval window - Correct Answers ✅1. Bony Ossicles
(striked by tympanic membrane)
2. Oval Window
3. Movement of perilymph
4. cation flux in stereocilia
5. Action potentials of cochlear nerve
Olfaction is the only special sense in which ..
a) the detecting cells are bipolar neurons that send action
potentials
b) GPCRs are involved in signal transduction
c) the first synapse is in the brain
d) a and c
e) a. b and c - Correct Answers ✅d) a and c
, BIO 373L FINAL EXAM Questions and
Answers (Latest 2026)
Compared to normal systemic capillaries, the main
difference(s) in the Starling forces in glomerular capillaries
is/are that ...
a) the fluid pressure in Bowman's capsule opposing filtration
is higher than that of interstitial fluid.
b) the hydrostatic pressure gradient in the glomerular
capillaries has a greater drop from the arteriolar to the
venous end.
c) the forces in glomerular capillaries always favour filtration
d) a and c
e) a, b and c - Correct Answers ✅d) a and c
Cidofovir is an antiviral drug used to treat a viral eye infection
(cytomegalovirus retinitis) in HIV patients. This drug is highly
nephrotoxic and 90% of an intravenous dose is recovered
from urine within 24h.
Patients receiving cidofovir are concurrently treated with
probenecid to counter these effects. Why?
Question options:
a) Probenecid will compete with cidofovir for the basolateral
OAT transporter and reduce the amount of the antiviral that
gets into the tubular epithelial cells.
