SFSU BIOL 212 FINAL EXAM QUESTIONS AND
ANSWERS 100% PASS |ALREADY GRADED A+|
VERIFIED AND UPDATED
_______ describes the movement of fluid out of the capillary, while
_______ describes the movement of fluid into the capillary.
Select one:
a. Hydrostatic pressure : venous return
b. Filtration : absorption
c. Edema : venous pooling
d. Absorption : filtration
e. Venous pooling : edema - correct answer-Filtration : absorption
In a mixture of gases, the driving force for the movement of an
individual gas within that mixture is ultimately the:
Select one:
a. solubility of the gas
b. total pressure of the gases
c. fractional concentration of that gas
d. partial pressure gradient of that gas
e. volume of that gas - correct answer-partial pressure gradient of that
gas
,A typical value for blood P-O2 in the pulmonary vein is _______,
whereas P-CO2 is _______.
Select one:
a. 150 mm Hg : 0.3 mm Hg
b. 46 mm Hg : 100 mm Hg
c. 40 mm Hg : 46 mm Hg
d. 40 mm Hg : 100 mm Hg
e. 100 mm Hg : 40 mm Hg - correct answer-100 mm Hg : 40 mm Hg
Total peripheral resistance _______ when general vasodilation of
arterioles occurs in systemic tissues.
Select one:
a. increases
b. decreases - correct answer-decreases
As the chest wall and lungs recoil, intra-alveolar pressure ______, and
air moves ______ the lungs.
Select one:
,a. increases : out of
b. increases : into
c. decreases : out of
d. decreases : into
e. does not change : neither into or out of - correct answer-increases :
out of
This is the portion of the lungs where the majority of gas exchange
occurs.
Select one:
a. bronchiole
b. trachea
c. alveolus
d. terminal bronchiole
e. bronchus - correct answer-alveolus
The ______ contains the respiratory center which controls breathing.
Select one:
a. hypothalamus
b. lungs
, c. medulla oblongata
d. heart
e. cerebral cortex - correct answer-medulla oblongata
If you increase stroke volume, it will directly lead to an increase in:
Select one:
a. heart rate
b. end diastolic volume
c. systole
d. cardiac output
e. ventricular filling - correct answer-cardiac output
Changing the frequency of action potentials propagating down a neuron
in the vagus nerve will affect:
Select one:
a. contractility of the ventricles
b. stroke volume
c. heart rate
d. more than one of the above is correct - correct answer-heart rate
ANSWERS 100% PASS |ALREADY GRADED A+|
VERIFIED AND UPDATED
_______ describes the movement of fluid out of the capillary, while
_______ describes the movement of fluid into the capillary.
Select one:
a. Hydrostatic pressure : venous return
b. Filtration : absorption
c. Edema : venous pooling
d. Absorption : filtration
e. Venous pooling : edema - correct answer-Filtration : absorption
In a mixture of gases, the driving force for the movement of an
individual gas within that mixture is ultimately the:
Select one:
a. solubility of the gas
b. total pressure of the gases
c. fractional concentration of that gas
d. partial pressure gradient of that gas
e. volume of that gas - correct answer-partial pressure gradient of that
gas
,A typical value for blood P-O2 in the pulmonary vein is _______,
whereas P-CO2 is _______.
Select one:
a. 150 mm Hg : 0.3 mm Hg
b. 46 mm Hg : 100 mm Hg
c. 40 mm Hg : 46 mm Hg
d. 40 mm Hg : 100 mm Hg
e. 100 mm Hg : 40 mm Hg - correct answer-100 mm Hg : 40 mm Hg
Total peripheral resistance _______ when general vasodilation of
arterioles occurs in systemic tissues.
Select one:
a. increases
b. decreases - correct answer-decreases
As the chest wall and lungs recoil, intra-alveolar pressure ______, and
air moves ______ the lungs.
Select one:
,a. increases : out of
b. increases : into
c. decreases : out of
d. decreases : into
e. does not change : neither into or out of - correct answer-increases :
out of
This is the portion of the lungs where the majority of gas exchange
occurs.
Select one:
a. bronchiole
b. trachea
c. alveolus
d. terminal bronchiole
e. bronchus - correct answer-alveolus
The ______ contains the respiratory center which controls breathing.
Select one:
a. hypothalamus
b. lungs
, c. medulla oblongata
d. heart
e. cerebral cortex - correct answer-medulla oblongata
If you increase stroke volume, it will directly lead to an increase in:
Select one:
a. heart rate
b. end diastolic volume
c. systole
d. cardiac output
e. ventricular filling - correct answer-cardiac output
Changing the frequency of action potentials propagating down a neuron
in the vagus nerve will affect:
Select one:
a. contractility of the ventricles
b. stroke volume
c. heart rate
d. more than one of the above is correct - correct answer-heart rate
