BIO 669
BIO 669 Exam 1 EC Questions and
Answers UPDATED 2025
Hypotension, tachycardia and low urine output are signs of -Correct Answer
✔hypovolemia
7.36 ph, high CO2 and high bicarbonate indicates -Correct Answer ✔fully compensated
respiratory acidosis
If water consists of 60% of TBW. Choose and assign corresponding percentages (40, 5,15
and 20).
ICF =
ECF=
Interstitial =
Intravascular = -Correct Answer ✔ICF=40; ECF=20; Interstitial = 15 and Intravascular = 5
Adaptive Immunity is programmed to respond to damage to the body whether the
damaged tissue is septic or sterile -Correct Answer ✔False .
Adaptive (Acquired) Immunity is the third line of defense in human body also called the
immune response or immunity. Whereas the Innate Immune system is programmed to
respond to damage to the body whether the damaged tissue is septic or sterile.
1. A patient in the Medical ICU has +3 pitting edema in the extremities, jaundice, icterus,
and a grossly distended abdomen. Labs show that his albumin levels are 1.2. Which
option below describe the process behind the ascites and pitting edema ?
A. Decreased hydrostatic pressure
B. Decreased capillary oncotic pressure
BIO 669
,BIO 669
C. Increased Interstitial hydrostatic pressure
D. Decreased interstitial oncotic pressure -Correct Answer ✔B- decreased capillary
oncotic pressure
Which of the following is NOT a non volatile acid in the body?
A. Lactic acid
B. Phosphoric acid
C. Hydroxybutyric acid
D. Carbonic acid -Correct Answer ✔D- carbonic acid
In one of the major acid/base buffering systems; the lungs will decrease __________
_________ by blowing off carbon dioxide and leaving water and the kidneys will regulate
the levels of __________ to maintain a safe pH. -Correct Answer ✔Carbonic
acid/bicarbonate
A patient presents to your office you find; dysthymia, fatigue, decrease bowel sounds,
thirst, and weakness. What potassium imbalance is this? -Correct Answer ✔Hypokalemia
Hyponatremia usually causes the movement of _________into ____ -Correct Answer
✔Answer: water, cells
Causes of hypernatremia, include:
A excessive free water intake.
B inappropriate administration of hypertonic saline solution.
C over secretion of the hormone aldosterone.
BIO 669
,BIO 669
D Cushing syndrome.
E ingesting large amounts of dietary sodium. -Correct Answer ✔Answer: B, C, D
(some Causes of Hypernatremia)
B inappropriate administration of hypertonic saline solution.
C over secretion of the hormone aldosterone.
D Cushing syndrome.
Early changes of___________ includes tall __________ -Correct Answer ✔Hyperkalemia,
peaked T waves
A _______ is caused by an excess protein that is found in the skin during healing. -
Correct Answer ✔Keloid
Your pt has an ST depression as a well as an inverted T-wave, and prominent U wave on
EKG monitoring. What lab value is likely responsible?
a.) Magnesium 2.2
b.) Phosphorous 2.0
c.) Potassium 2.2
d.) Potassium 5.6 -Correct Answer ✔c.) Potassium 2.2
What is an electrolyte?
a.) A substance that is responsible for controlling appetite and mood.
b.) A hormone that is responsible for feelings of alertness throughout the day.
BIO 669
, BIO 669
c.) A mineral that has an electric charge, found dissolved in bodies of water
d.) All of the above -Correct Answer ✔c.) A mineral that has an electric charge, found
dissolved in bodies of water
Alzheimer's disease is the result of a decrease in which neurotransmitter
A. Dopamine
B. Acetylcholine
C. Norepinephrine
D. Serotonin -Correct Answer ✔B. Acetylcholine
An excessive amount of this electrolyte can contribute to decreased urine formation, the
formation of SIADH, weakness, muscle twitching and cerebral edema
A. Potassium
B. Calcium
C. Water
D. Sodium -Correct Answer ✔D. Sodium
All of these are causes of edema except:
A: Increase in capillary hydrostatic pressure
B: Decreased in plasma oncotic pressure
C: Increased in capillary permeability
D: Decrease in hydrostatic pressure -Correct Answer ✔D: Decrease in hydrostatic
pressure
BIO 669
BIO 669 Exam 1 EC Questions and
Answers UPDATED 2025
Hypotension, tachycardia and low urine output are signs of -Correct Answer
✔hypovolemia
7.36 ph, high CO2 and high bicarbonate indicates -Correct Answer ✔fully compensated
respiratory acidosis
If water consists of 60% of TBW. Choose and assign corresponding percentages (40, 5,15
and 20).
ICF =
ECF=
Interstitial =
Intravascular = -Correct Answer ✔ICF=40; ECF=20; Interstitial = 15 and Intravascular = 5
Adaptive Immunity is programmed to respond to damage to the body whether the
damaged tissue is septic or sterile -Correct Answer ✔False .
Adaptive (Acquired) Immunity is the third line of defense in human body also called the
immune response or immunity. Whereas the Innate Immune system is programmed to
respond to damage to the body whether the damaged tissue is septic or sterile.
1. A patient in the Medical ICU has +3 pitting edema in the extremities, jaundice, icterus,
and a grossly distended abdomen. Labs show that his albumin levels are 1.2. Which
option below describe the process behind the ascites and pitting edema ?
A. Decreased hydrostatic pressure
B. Decreased capillary oncotic pressure
BIO 669
,BIO 669
C. Increased Interstitial hydrostatic pressure
D. Decreased interstitial oncotic pressure -Correct Answer ✔B- decreased capillary
oncotic pressure
Which of the following is NOT a non volatile acid in the body?
A. Lactic acid
B. Phosphoric acid
C. Hydroxybutyric acid
D. Carbonic acid -Correct Answer ✔D- carbonic acid
In one of the major acid/base buffering systems; the lungs will decrease __________
_________ by blowing off carbon dioxide and leaving water and the kidneys will regulate
the levels of __________ to maintain a safe pH. -Correct Answer ✔Carbonic
acid/bicarbonate
A patient presents to your office you find; dysthymia, fatigue, decrease bowel sounds,
thirst, and weakness. What potassium imbalance is this? -Correct Answer ✔Hypokalemia
Hyponatremia usually causes the movement of _________into ____ -Correct Answer
✔Answer: water, cells
Causes of hypernatremia, include:
A excessive free water intake.
B inappropriate administration of hypertonic saline solution.
C over secretion of the hormone aldosterone.
BIO 669
,BIO 669
D Cushing syndrome.
E ingesting large amounts of dietary sodium. -Correct Answer ✔Answer: B, C, D
(some Causes of Hypernatremia)
B inappropriate administration of hypertonic saline solution.
C over secretion of the hormone aldosterone.
D Cushing syndrome.
Early changes of___________ includes tall __________ -Correct Answer ✔Hyperkalemia,
peaked T waves
A _______ is caused by an excess protein that is found in the skin during healing. -
Correct Answer ✔Keloid
Your pt has an ST depression as a well as an inverted T-wave, and prominent U wave on
EKG monitoring. What lab value is likely responsible?
a.) Magnesium 2.2
b.) Phosphorous 2.0
c.) Potassium 2.2
d.) Potassium 5.6 -Correct Answer ✔c.) Potassium 2.2
What is an electrolyte?
a.) A substance that is responsible for controlling appetite and mood.
b.) A hormone that is responsible for feelings of alertness throughout the day.
BIO 669
, BIO 669
c.) A mineral that has an electric charge, found dissolved in bodies of water
d.) All of the above -Correct Answer ✔c.) A mineral that has an electric charge, found
dissolved in bodies of water
Alzheimer's disease is the result of a decrease in which neurotransmitter
A. Dopamine
B. Acetylcholine
C. Norepinephrine
D. Serotonin -Correct Answer ✔B. Acetylcholine
An excessive amount of this electrolyte can contribute to decreased urine formation, the
formation of SIADH, weakness, muscle twitching and cerebral edema
A. Potassium
B. Calcium
C. Water
D. Sodium -Correct Answer ✔D. Sodium
All of these are causes of edema except:
A: Increase in capillary hydrostatic pressure
B: Decreased in plasma oncotic pressure
C: Increased in capillary permeability
D: Decrease in hydrostatic pressure -Correct Answer ✔D: Decrease in hydrostatic
pressure
BIO 669
