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BIO 669 EXAM 1 AND STUDYGUIDE LATEST
2025/2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND 100%CORRECT DETAILED
ANSWERS (VERIFIED AND GRADED A+)
The ion that is best represented by the following
concentrations, 150 mm extracellular an 15mm
intracellular is - ANSWER-Na+
How much of the water foudn in our bodies is intracellular
- ANSWER-two/thirds
A keloid is - ANSWER-a hypertrophic scar that extends
well beyond the initial wound.
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A lowering of blood ph due to an increase in blood levels
of keto acids such as found in diabetic ketoacidosis would
be an example of - ANSWER-metabolic acidosis
Hypotonic hyponatremeia will have all the following effects
EXCEPT - ANSWER-increased blood pressure/volume
Ph can have a significant impact on the effectiveness of
local anesthetics because the ph will help determine how
much of the local anesthetic is in a charged or uncharged
state - ANSWER-true
A loss of proteins, such as albumin, from the plasma (as
seen in kidney and liver diseases) will result in -
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ANSWER-a shift of fluid from the plasma to the interstitial
fluid
A loss of proteins, such as albumin, from the plasma(as
seen in kidney and liver diseases) will result in -
ANSWER-a decrease in plasma oncotic pressure
C3a is capable of inducing degranulation of mast cells and
rapidly inducing an increase in vasodilation and increased
capillary permability, this is an: - ANSWER-anaphylotoxin
Alkalosis has the effect of decreasing ionized
ca++concentration in the blood as it becomes bound to the
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plasma proteins more frequently (due to less H+ binding of
those) this will result in clinical signs of - ANSWER-
increased neuromuscular excitability
Movement of potassium down its electrochemical gradient
will result in what effect on membrane potential -
ANSWER-hyperpolarization
A stronger stimulus will result in a greater membrane
depolarizaton of a neuron resulting in - ANSWER-more
frequent action potentials
All of the following are true regarding graded potential
except - ANSWER-they all look alike( in amplitude)
BIO 669 EXAM 1 AND STUDYGUIDE LATEST
2025/2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND 100%CORRECT DETAILED
ANSWERS (VERIFIED AND GRADED A+)
The ion that is best represented by the following
concentrations, 150 mm extracellular an 15mm
intracellular is - ANSWER-Na+
How much of the water foudn in our bodies is intracellular
- ANSWER-two/thirds
A keloid is - ANSWER-a hypertrophic scar that extends
well beyond the initial wound.
,2|Page
A lowering of blood ph due to an increase in blood levels
of keto acids such as found in diabetic ketoacidosis would
be an example of - ANSWER-metabolic acidosis
Hypotonic hyponatremeia will have all the following effects
EXCEPT - ANSWER-increased blood pressure/volume
Ph can have a significant impact on the effectiveness of
local anesthetics because the ph will help determine how
much of the local anesthetic is in a charged or uncharged
state - ANSWER-true
A loss of proteins, such as albumin, from the plasma (as
seen in kidney and liver diseases) will result in -
,3|Page
ANSWER-a shift of fluid from the plasma to the interstitial
fluid
A loss of proteins, such as albumin, from the plasma(as
seen in kidney and liver diseases) will result in -
ANSWER-a decrease in plasma oncotic pressure
C3a is capable of inducing degranulation of mast cells and
rapidly inducing an increase in vasodilation and increased
capillary permability, this is an: - ANSWER-anaphylotoxin
Alkalosis has the effect of decreasing ionized
ca++concentration in the blood as it becomes bound to the
, 4|Page
plasma proteins more frequently (due to less H+ binding of
those) this will result in clinical signs of - ANSWER-
increased neuromuscular excitability
Movement of potassium down its electrochemical gradient
will result in what effect on membrane potential -
ANSWER-hyperpolarization
A stronger stimulus will result in a greater membrane
depolarizaton of a neuron resulting in - ANSWER-more
frequent action potentials
All of the following are true regarding graded potential
except - ANSWER-they all look alike( in amplitude)
