BIO 669 EXAM 1 AND STUDYGUIDE LATEST 2025/ 2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES (100% VERIFIED ANSWERS)
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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
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 - ANSWER-a shift of fluid
from the plasma to the interstitial fluid
Alkalosis has the effect of decreasing ionized ca++concentration
in the blood as it becomes bound to the plasma proteins more
frequently (due to less H+ binding of those) this will result in
clinical signs of - ANSWER-increased neuromuscular excitability
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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)
A stroke affecting the temporal lobe is most likely to show signs
and symptoms affecting the - ANSWER-patients speech or
hearing
The frontal lobe is responsible for concious - ANSWER-control of
voluntary motor area and limbic system
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The cerebellum is most responsible for - ANSWER-Control of fine
motor control and balance/posture
Where is most of the Na+ in our bodies found - ANSWER-
extracellular fluid
Colloid osmotic pressure is pressure created by - ANSWER-only
the protein in fluid
Thre effect of hypocalcemia on neuromuscular system is -
ANSWER-increased neuromuscular excitability
The law of mass action dictates that if CO2 levels in the tissue or
blood rise the equilibrium will shift toward - ANSWER-increased
levels of H+ and HCO3-
What is the next step dealing with pathogens or debris after
phagosome has formed - ANSWER-fusion with a lysosome