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BIO
BIO 669 EXAM QUESTIONS WITH CORRECT
ANSWERS (GRADE A+) – LATEST 2024/2025
Tumor Necrosis Factor Alpha (Tnf-Alpha) Is Secreted In Response To Toll-Like
Receptor Activation And Has All Of The Following Effects Except:
A. Induce Fever (Endogenous Pyrogen)
B. Suppress Growth Of Lymphocytes And Reduce Production Of
Proinflammatory Cytokines
C. Increases Synthesis Of Inflammation Related Serum Proteins By The Liver
D. Causes Muscle Wasting And Intravascular Thrombosis - Ans ✓B. Suppress
Growth Of Lymphocytes And Reduce Production Of Proinflammatory Cytokines
Infants Have Greater Risk Of Dehydration Because
A. Greater Surface Area And Higher Percentage Of Body Weight As Water
B. Less Surface Area And Less Percentage Of Body Weight As Water
C. A Greater Surface Area And Less Percentage Of Body Weight As Water
D. Less Surface Area And Higher Percentage Of Body Weight As Water - Ans
✓A. Greater Surface Area And Higher Percentage Of Body Weight As Water
Compliment Cascade, A Deficiency Of _______ Causes The Most Severe Deficit
Due To Its Position At The Merging Site Of Three Pathways - Ans ✓C3
Which Of The Following Sentinel Cell That Constantly Checks The Environment
In Peripheral Organs And Skin Then Moves To The Lymph Nodes Upon
Detecting Potential Pathogens.
A. Lymphocyte
B. Dendritic Cell
C. Natural Killer Cell
D. Giant Cell - Ans ✓B. Dendritic Cell
What Disease Allows For The Organism To Live Within The Phagosome And
Never Merge With The Lysosome Unless Accepted By The Immune Cells? - Ans
✓Tuberculosis
A Rise In H+ Levels In The Blood (Acidosis) Will Result In _____ Levels Of Co2
And Will Be Compensated By _____ Breathing Rate.
A. Increased; Increased
B. Increased, Decreased
C. Decreased, Increased
D. Decreased, Decreased - Ans ✓A. Increased; Increased
BIO 669
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BIO
Which Of These Is Not A Circulating Plasma Protein?
A. Complement
B. Clotting
C. Kinin
D. Carbonic Anhydrase - Ans ✓D. Carbonic Anhydrase
According To Starling Law, Which Of These Forces, When Increased, Would
Cause A Shift From Plasma To Interstitial Space? - Ans ✓Increase In Capillary
Hydrostatic Pressure
The Fluid Exchange Between The Arterial End And The Venous End Of A
Capillary Bed In Tissues Such As Muscle And Skin Results In All Of The Fluid
That Leaked Out Of The Capillary Being Retained In Within The Vessels With
No Net Loss Of Fluid
True Or False - Ans ✓False
What Percentage Of Fluids Is Located Within The Intravascular Space Of The
Ecf?
A. Two Thirds (66%)
B. ¼ (4-5%)
C. Three Fourths (75%)
D. One Third (33%) - Ans ✓B. ¼ (4-5%)
Starling Forces Affect The Movement Of Fluid Between The Plasma And
Interstitial Space. Which Of The Following, When Increased, Will Promote A
Shift From The Plasma Into The Interstitial Space
A. Capillary Oncotic Pressure
B. Interstitial Oncotic Pressure And Plasma Hydrostatic Pressure
C. Plasma Hydrostatic Pressure
D. Interstitial Hydrostatic Pressure - Ans ✓B. Interstitial Oncotic Pressure And
Plasma Hydrostatic Pressure
The Ion That Is Best Represented By The Following Concentrations, 150 Mm
Extracellular And 15 Mm Intracellular Is:
A. Na
B. Cl
C. K
D. K - Ans ✓A. Na
A Loss Of Proteins, Such As Albumin, From The Plasma Will Result In:
A. A Shift Of Fluid From The Interstitial Fluid To The Plasma
BIO 669
BIO
BIO 669 EXAM QUESTIONS WITH CORRECT
ANSWERS (GRADE A+) – LATEST 2024/2025
Tumor Necrosis Factor Alpha (Tnf-Alpha) Is Secreted In Response To Toll-Like
Receptor Activation And Has All Of The Following Effects Except:
A. Induce Fever (Endogenous Pyrogen)
B. Suppress Growth Of Lymphocytes And Reduce Production Of
Proinflammatory Cytokines
C. Increases Synthesis Of Inflammation Related Serum Proteins By The Liver
D. Causes Muscle Wasting And Intravascular Thrombosis - Ans ✓B. Suppress
Growth Of Lymphocytes And Reduce Production Of Proinflammatory Cytokines
Infants Have Greater Risk Of Dehydration Because
A. Greater Surface Area And Higher Percentage Of Body Weight As Water
B. Less Surface Area And Less Percentage Of Body Weight As Water
C. A Greater Surface Area And Less Percentage Of Body Weight As Water
D. Less Surface Area And Higher Percentage Of Body Weight As Water - Ans
✓A. Greater Surface Area And Higher Percentage Of Body Weight As Water
Compliment Cascade, A Deficiency Of _______ Causes The Most Severe Deficit
Due To Its Position At The Merging Site Of Three Pathways - Ans ✓C3
Which Of The Following Sentinel Cell That Constantly Checks The Environment
In Peripheral Organs And Skin Then Moves To The Lymph Nodes Upon
Detecting Potential Pathogens.
A. Lymphocyte
B. Dendritic Cell
C. Natural Killer Cell
D. Giant Cell - Ans ✓B. Dendritic Cell
What Disease Allows For The Organism To Live Within The Phagosome And
Never Merge With The Lysosome Unless Accepted By The Immune Cells? - Ans
✓Tuberculosis
A Rise In H+ Levels In The Blood (Acidosis) Will Result In _____ Levels Of Co2
And Will Be Compensated By _____ Breathing Rate.
A. Increased; Increased
B. Increased, Decreased
C. Decreased, Increased
D. Decreased, Decreased - Ans ✓A. Increased; Increased
BIO 669
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BIO
Which Of These Is Not A Circulating Plasma Protein?
A. Complement
B. Clotting
C. Kinin
D. Carbonic Anhydrase - Ans ✓D. Carbonic Anhydrase
According To Starling Law, Which Of These Forces, When Increased, Would
Cause A Shift From Plasma To Interstitial Space? - Ans ✓Increase In Capillary
Hydrostatic Pressure
The Fluid Exchange Between The Arterial End And The Venous End Of A
Capillary Bed In Tissues Such As Muscle And Skin Results In All Of The Fluid
That Leaked Out Of The Capillary Being Retained In Within The Vessels With
No Net Loss Of Fluid
True Or False - Ans ✓False
What Percentage Of Fluids Is Located Within The Intravascular Space Of The
Ecf?
A. Two Thirds (66%)
B. ¼ (4-5%)
C. Three Fourths (75%)
D. One Third (33%) - Ans ✓B. ¼ (4-5%)
Starling Forces Affect The Movement Of Fluid Between The Plasma And
Interstitial Space. Which Of The Following, When Increased, Will Promote A
Shift From The Plasma Into The Interstitial Space
A. Capillary Oncotic Pressure
B. Interstitial Oncotic Pressure And Plasma Hydrostatic Pressure
C. Plasma Hydrostatic Pressure
D. Interstitial Hydrostatic Pressure - Ans ✓B. Interstitial Oncotic Pressure And
Plasma Hydrostatic Pressure
The Ion That Is Best Represented By The Following Concentrations, 150 Mm
Extracellular And 15 Mm Intracellular Is:
A. Na
B. Cl
C. K
D. K - Ans ✓A. Na
A Loss Of Proteins, Such As Albumin, From The Plasma Will Result In:
A. A Shift Of Fluid From The Interstitial Fluid To The Plasma
BIO 669
