1|Page
BIOD 152 Final Exam Preparation Newest Verified
Exam With Complete Questions And Correct Detailed
Answers| Newest Exam!!!
The oxygen content of water increases linearly with an
increase in oxygen partial pressure, while the oxygen
content of blood increases in a sigmoidal (S-shaped)
fashion. Why?
A. Carbonic anhydrase contributes to carbon dioxide
release in blood, but not water.
B. The Bohr shift is stronger in water than in blood.
C. Hemoglobin shows cooperative oxygen binding.
D. Oxygen is transported equally by hemoglobin and blood
plasma. - Answers-C
The hemocyanin of arthropods and molluscs differs from
the hemoglobin of mammals in that _____.
A. the protein of hemocyanin is not bound to metal
B. hemocyanin includes cyanic acid
C. hemocyanin has protein coupled to copper rather than
to iron
D. the oxygen dissociation curve for hemocyanin is linear
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E. hemocyanin carries appreciably more carbon dioxide -
Answers-C
An decrease from pH 7.4 to pH 7.2 causes hemoglobin to
_____.
A. increase its binding of H+
B. give up more of its oxygen molecules
C. bind more oxygen molecules
D. release all bound carbon dioxide molecules
E. denature - Answers-B
The point of connection between two communicating
neurons is called the _____.
A. synapse
B. dendrite
C. cell body
D. axon hillock
E. glia - Answers-A
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In a resting potential, an example of a cation that is more
abundant as a solute in the cytosol of a neuron than it is in
the interstitial fluid outside the neuron is _____.
A. HCO3-
B. K+
C. Cl-
D. Ca++
E. Na+ - Answers-B
If the activity of the sodium-potassium pump was
completely stopped, what would happen to the neuron's
membrane potential?
A. immediate loss of resting potential
B. slow decrease of resting potential
C. immediate loss of action potentials
D. no effect - Answers-B
Which term describes the difference in electrical charge
across a membrane?
A. Electrical current.
B. Resting potential.
, 4|Page
C. Membrane potential.
D. Electrical potential. - Answers-C
Resting neurons are most permeable to which of the
following ions?
A. Na+
B. O--
C. K+
D. Cl-- - Answers-C
True or false? The potential energy of a membrane
potential comes solely from the difference in electrical
charge across the membrane. - Answers-False
Which channel is mainly responsible for the resting
potential of a neuron?
A. Voltage-gated potassium channel.
B. Potassium leak channel.
C. Chloride leak channel.
D. Voltage-gated sodium channel. - Answers-B
BIOD 152 Final Exam Preparation Newest Verified
Exam With Complete Questions And Correct Detailed
Answers| Newest Exam!!!
The oxygen content of water increases linearly with an
increase in oxygen partial pressure, while the oxygen
content of blood increases in a sigmoidal (S-shaped)
fashion. Why?
A. Carbonic anhydrase contributes to carbon dioxide
release in blood, but not water.
B. The Bohr shift is stronger in water than in blood.
C. Hemoglobin shows cooperative oxygen binding.
D. Oxygen is transported equally by hemoglobin and blood
plasma. - Answers-C
The hemocyanin of arthropods and molluscs differs from
the hemoglobin of mammals in that _____.
A. the protein of hemocyanin is not bound to metal
B. hemocyanin includes cyanic acid
C. hemocyanin has protein coupled to copper rather than
to iron
D. the oxygen dissociation curve for hemocyanin is linear
,2|Page
E. hemocyanin carries appreciably more carbon dioxide -
Answers-C
An decrease from pH 7.4 to pH 7.2 causes hemoglobin to
_____.
A. increase its binding of H+
B. give up more of its oxygen molecules
C. bind more oxygen molecules
D. release all bound carbon dioxide molecules
E. denature - Answers-B
The point of connection between two communicating
neurons is called the _____.
A. synapse
B. dendrite
C. cell body
D. axon hillock
E. glia - Answers-A
,3|Page
In a resting potential, an example of a cation that is more
abundant as a solute in the cytosol of a neuron than it is in
the interstitial fluid outside the neuron is _____.
A. HCO3-
B. K+
C. Cl-
D. Ca++
E. Na+ - Answers-B
If the activity of the sodium-potassium pump was
completely stopped, what would happen to the neuron's
membrane potential?
A. immediate loss of resting potential
B. slow decrease of resting potential
C. immediate loss of action potentials
D. no effect - Answers-B
Which term describes the difference in electrical charge
across a membrane?
A. Electrical current.
B. Resting potential.
, 4|Page
C. Membrane potential.
D. Electrical potential. - Answers-C
Resting neurons are most permeable to which of the
following ions?
A. Na+
B. O--
C. K+
D. Cl-- - Answers-C
True or false? The potential energy of a membrane
potential comes solely from the difference in electrical
charge across the membrane. - Answers-False
Which channel is mainly responsible for the resting
potential of a neuron?
A. Voltage-gated potassium channel.
B. Potassium leak channel.
C. Chloride leak channel.
D. Voltage-gated sodium channel. - Answers-B
