PNB 2265 QUIZ ON RESP. (EXAM 3)
The-PO2-of-systemic-arterial-blood-is-________-mmHg-and-the-PCO2-of-systemic-arterial-
blood-is-_______-mmHg.
A.-100;-100
B.-40;-100
C.-100;-40
D.-46;-40
E.-40;-46---ans---C.-100;-40
At-the-beginning-of-the-pulmonary-capillaries,-the-blood-PO2-is-_______-mmHg-and-the-
PCO2-is-_______-mmHg.
A.-46;-40
B.-100;-100
C.-40;-46
D.-100;-40
E.-40;-100---ans---C.-40;-46
The-PO2-of-alveolar-air-is-________-mm-Hg-and-the-PCO2-of-alveolar-air-is-________-
mmHg.
A.-100;-100
B.-100;-40
C.-40;-46
D.-46;-40
E.-40;-100---ans---B.-100;-40
At-the-beginning-of-systemic-capillaries,-the-PO2-is-_______-mmHg-and-the-PCO2-is-
_______-mmHg.
-
A.-46;-40
B.-40;-100
C.-100;-100
D.-100;-40
E.-40;-46---ans---D.-100;-40
, Which-of-the-following-is-true-for-blood-about-to-leave-the-systemic-capillaries-(i.e.,-in-the-
tissues)?
A.-In-red-blood-cells,-some-CO2-is-bound-to-Hb.
B.-In-red-blood-cells,-some-CO2-is-converted-to-carbonic-acid-(H2CO3)
C.-Cl--ions-are-leaving-the-red-blood-cell.
D.-All-of-the-above-are-true
E.-None-of-the-above-are-true---ans---D.-All-of-the-above-are-true
How-is-most-CO2-transported-in-the-blood?
A.-Dissolved-in-plasma
B.-Bound-to-the-heme-portion-of-Hb
C.-Bound-to-H2CO3-(carbonic-acid)
D.-As-bicarbonate-ion-in-red-blood-cells
E.-As-bicarbonate-ions-in-the-plasma---ans---E.-As-bicarbonate-ions-in-the-plasma
The-partial-pressure-of-O2-in-the-blood-is-due-to-the-oxygen-that-is-________-.
A.-Bound-to-Hb
B.-Dissolved-in-the-plasma
C.-Both-of-the-above
D.-Neither-of-the-above---ans---B.-Dissolved-in-the-plasma
In-the-lungs,-HCO3--ions-move-___________-red-blood-cells-and-Cl--ions-move-
__________-red-blood-cells.
A.-Into,-into
B.-Out-of,-out-of
C.-Into,-out-of
D.-Out-of,-into---ans---C.-Into,-out-of
The-enzyme-carbonic-anhydrase-catalyzes-the-formation-of-___________-.
A.-Into,-into
B.-Out-of,-out-of
C.-Into,-out-of
D.-Out-of,-into---ans---C.-Into,-out-of
The-enzyme-carbonic-anhydrase-catalyzes-the-formation-of-___________-.
A.-In-red-blood-cells,-O2-is-bound-to-Hb.
B.-In-red-blood-cells,-HCO3--is-converted-to-carbonic-acid
C.-Both-of-the-above
D.-Neither-of-the-above---ans---A.-In-red-blood-cells,-O2-is-bound-to-Hb.
The-PO2-of-systemic-arterial-blood-is-________-mmHg-and-the-PCO2-of-systemic-arterial-
blood-is-_______-mmHg.
A.-100;-100
B.-40;-100
C.-100;-40
D.-46;-40
E.-40;-46---ans---C.-100;-40
At-the-beginning-of-the-pulmonary-capillaries,-the-blood-PO2-is-_______-mmHg-and-the-
PCO2-is-_______-mmHg.
A.-46;-40
B.-100;-100
C.-40;-46
D.-100;-40
E.-40;-100---ans---C.-40;-46
The-PO2-of-alveolar-air-is-________-mm-Hg-and-the-PCO2-of-alveolar-air-is-________-
mmHg.
A.-100;-100
B.-100;-40
C.-40;-46
D.-46;-40
E.-40;-100---ans---B.-100;-40
At-the-beginning-of-systemic-capillaries,-the-PO2-is-_______-mmHg-and-the-PCO2-is-
_______-mmHg.
-
A.-46;-40
B.-40;-100
C.-100;-100
D.-100;-40
E.-40;-46---ans---D.-100;-40
, Which-of-the-following-is-true-for-blood-about-to-leave-the-systemic-capillaries-(i.e.,-in-the-
tissues)?
A.-In-red-blood-cells,-some-CO2-is-bound-to-Hb.
B.-In-red-blood-cells,-some-CO2-is-converted-to-carbonic-acid-(H2CO3)
C.-Cl--ions-are-leaving-the-red-blood-cell.
D.-All-of-the-above-are-true
E.-None-of-the-above-are-true---ans---D.-All-of-the-above-are-true
How-is-most-CO2-transported-in-the-blood?
A.-Dissolved-in-plasma
B.-Bound-to-the-heme-portion-of-Hb
C.-Bound-to-H2CO3-(carbonic-acid)
D.-As-bicarbonate-ion-in-red-blood-cells
E.-As-bicarbonate-ions-in-the-plasma---ans---E.-As-bicarbonate-ions-in-the-plasma
The-partial-pressure-of-O2-in-the-blood-is-due-to-the-oxygen-that-is-________-.
A.-Bound-to-Hb
B.-Dissolved-in-the-plasma
C.-Both-of-the-above
D.-Neither-of-the-above---ans---B.-Dissolved-in-the-plasma
In-the-lungs,-HCO3--ions-move-___________-red-blood-cells-and-Cl--ions-move-
__________-red-blood-cells.
A.-Into,-into
B.-Out-of,-out-of
C.-Into,-out-of
D.-Out-of,-into---ans---C.-Into,-out-of
The-enzyme-carbonic-anhydrase-catalyzes-the-formation-of-___________-.
A.-Into,-into
B.-Out-of,-out-of
C.-Into,-out-of
D.-Out-of,-into---ans---C.-Into,-out-of
The-enzyme-carbonic-anhydrase-catalyzes-the-formation-of-___________-.
A.-In-red-blood-cells,-O2-is-bound-to-Hb.
B.-In-red-blood-cells,-HCO3--is-converted-to-carbonic-acid
C.-Both-of-the-above
D.-Neither-of-the-above---ans---A.-In-red-blood-cells,-O2-is-bound-to-Hb.
