PNB 2265 CUMULATIVE FINAL EXAM
QUESTIONS AND ANSWERS
Aldosterone secretion will increase after all of the following except - Answer- an
increase in plasma glucose levels
Characteristics of the brush border include all of the following except - Answer- tenia
coli
All of the following will lead to a decrease in pH inside the stomach except - Answer-
inhibiting muscarinic receptors
The _________________ is primary site of solute and water reabsorption and the
____________ is where most regulated secretion and reabsorption occur - Answer- the
proximal tubule, distal tubule
Following absorption, which of the following molecules would be sent to the heart before
the liver - Answer- fatty acids
What effect does epinephrine have on action potential - Answer- increase calcium influx
Which of the following will cause an increase in blood flow through a systemic arteriole -
Answer- change in pH
On average, the lease abundant leukocytes are - Answer- basophils
What will TTX do to membrane potential of conducting and contractile cells of the heart
- Answer- prevent action potential formation in ventricle contractile myocytes
Which of the following increases end diastolic volume - Answer- stimulating the cardiac
nerve
What phase does blood clotting first occur - Answer- vascular spasm
Saul is suffering from Atransferrinemia, a genetic disorder where the protein Transferrin
is not produced. Which of the following might Saul experience? - Answer- Kidney
damage
The intrinsic pathway for blood clotting is initiated by - Answer- exposure of clotting
factors to collagen fibers
, on the venus side of the capillary, hydrostatic pressure is _______ than osmotic
pressure and there is net _____ - Answer- less, resabsorption
Carbon monoxide poisoning: - Answer- may stimulate EPO production
A lower than normal p50 value on the hemoglobin oxygen may be the result of -
Answer- increased pH
which layer of blood contains endothelial cells - Answer- tunica interna
what decreases the radius of blood vessels - Answer- thromboxane
increased cardiac output is characterized by all of the following except - Answer-
increased acetylcholine release
Genetic mutations in the alpha chain of hemoglobin may cause - Answer- neither
thalassemia or pernicious anemia
the law of LaPlace explains that - Answer- tension is proportional to blood vessel radius
small vessels are likely to collapse
large vessels are more likely to rupture
the foramen ovale: - Answer- decreases the amount of blood that travels to the right
ventricle
decrease the diameter of a blood vessel by a factor of two would lead to a ___ fold
_________ in the resistance through that vessel - Answer- 16, increase
on the EKG, what point is most affected by damage to the purkinje fibers - Answer-
QRS complex
veins differ from arteries because - Answer- veins are more compliant than arteries
correct sequence of vessels from lowest pressure to highest pressure - Answer- vena
cava, vein, capillary, aorta
Methacholine is a muscarine receptor agonist. an individual given methacholine is likely
to experience - Answer- bradycardia
the left and right ventricle pump equivalent volumes of blood - Answer- true
on average women have a higher hematocrit than men - Answer- false
QUESTIONS AND ANSWERS
Aldosterone secretion will increase after all of the following except - Answer- an
increase in plasma glucose levels
Characteristics of the brush border include all of the following except - Answer- tenia
coli
All of the following will lead to a decrease in pH inside the stomach except - Answer-
inhibiting muscarinic receptors
The _________________ is primary site of solute and water reabsorption and the
____________ is where most regulated secretion and reabsorption occur - Answer- the
proximal tubule, distal tubule
Following absorption, which of the following molecules would be sent to the heart before
the liver - Answer- fatty acids
What effect does epinephrine have on action potential - Answer- increase calcium influx
Which of the following will cause an increase in blood flow through a systemic arteriole -
Answer- change in pH
On average, the lease abundant leukocytes are - Answer- basophils
What will TTX do to membrane potential of conducting and contractile cells of the heart
- Answer- prevent action potential formation in ventricle contractile myocytes
Which of the following increases end diastolic volume - Answer- stimulating the cardiac
nerve
What phase does blood clotting first occur - Answer- vascular spasm
Saul is suffering from Atransferrinemia, a genetic disorder where the protein Transferrin
is not produced. Which of the following might Saul experience? - Answer- Kidney
damage
The intrinsic pathway for blood clotting is initiated by - Answer- exposure of clotting
factors to collagen fibers
, on the venus side of the capillary, hydrostatic pressure is _______ than osmotic
pressure and there is net _____ - Answer- less, resabsorption
Carbon monoxide poisoning: - Answer- may stimulate EPO production
A lower than normal p50 value on the hemoglobin oxygen may be the result of -
Answer- increased pH
which layer of blood contains endothelial cells - Answer- tunica interna
what decreases the radius of blood vessels - Answer- thromboxane
increased cardiac output is characterized by all of the following except - Answer-
increased acetylcholine release
Genetic mutations in the alpha chain of hemoglobin may cause - Answer- neither
thalassemia or pernicious anemia
the law of LaPlace explains that - Answer- tension is proportional to blood vessel radius
small vessels are likely to collapse
large vessels are more likely to rupture
the foramen ovale: - Answer- decreases the amount of blood that travels to the right
ventricle
decrease the diameter of a blood vessel by a factor of two would lead to a ___ fold
_________ in the resistance through that vessel - Answer- 16, increase
on the EKG, what point is most affected by damage to the purkinje fibers - Answer-
QRS complex
veins differ from arteries because - Answer- veins are more compliant than arteries
correct sequence of vessels from lowest pressure to highest pressure - Answer- vena
cava, vein, capillary, aorta
Methacholine is a muscarine receptor agonist. an individual given methacholine is likely
to experience - Answer- bradycardia
the left and right ventricle pump equivalent volumes of blood - Answer- true
on average women have a higher hematocrit than men - Answer- false
