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【单选题】
Under normal circumstances, pulmonary ventilation resistance mainly comes from （ ）
A.
Viscous resistance
B.
Lung retraction force
C.
Airway resistance
D.
Inertial resistance
E.
Alveolar suce tension
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参考答案：
举一反三
【单选题】The Nucleic acid will get maximum UV absorbance at wavelength_____（ ）
A.
230nm
B.
260nm
C.
280nm
D.
270nm
【多选题】Physiological activities regulated by positive feedback（ ）
A.
Action potential depolarization phase
B.
Blood coagulation
C.
Childbirth
D.
Thermoregulation
E.
Micturition reflex
【单选题】The most critical site for determining urine volume is（ ）
A.
Proximal tubule
B.
The manifold
C.
Thick ascending branch of loop of medullary
D.
Thick segment of descending branch of loop of medullary
E.
Loop of pulposus ascending ramus
【单选题】The common manifestation of most excitable cells responding to stimuli is to produce（ ）
A.
Secretion
B.
Action potential
C.
Nerve impulses
D.
contraction
E.
End plate potential
【多选题】The factors that inhibit gastric acid secretion are（ ）
A.
Gastric inhibitory peptides
B.
Trypsin
C.
Omeprazole
D.
Somatostatin
E.
Gastrin
【单选题】The most basic way to maintain the body position is（ ）
A.
Muscular tension reflex
B.
Flexor reflex
C.
Righting reflex
D.
Contralateral extensor reflex
E.
Tendon reflex
【单选题】The effect of glucocorticoids on blood cells is（ ）
A.
Erythrocytopenia and thrombocytopenia
B.
Erythrocyte, neutropenia and lymphocyte are all decreased
C.
The number of red blood cells and platelets is increased, lymphocyte decreased
D.
RBC and lymphocyte increased, neutropenia decreased,
E.
Erythrocyte and neutropenia decreased, lymphocyte increased
【单选题】At the end of normal expiratory, the amount of air kept in the lungs is equivalent to（ ）
A.
Expiratory volume
B.
Functional residual capacity
C.
Inspiratory reserve volume
D.
residual volume
E.
Lung capacity
【多选题】Blood transfusion may be considered under the following statements（ ）
A.
The donor's blood type is AB and the recipient's is O
B.
The donor's blood type is AB and the recipient's is B
C.
The donor's red blood cells are not agglutinated by the recipient's serum
D.
The donor's blood type is A and the recipient's blood type is AB
E.
The donor's blood type is O and the recipient's blood type is B
【单选题】The common component composed of DNA and RNA is _____（ ）
A.
D-2-deoxyribose
B.
Thymine
C.
D-ribose
D.
Guanine
相关题目：
【单选题】The Nucleic acid will get maximum UV absorbance at wavelength_____（ ）
A.
230nm
B.
260nm
C.
280nm
D.
270nm
【多选题】Physiological activities regulated by positive feedback（ ）
A.
Action potential depolarization phase
B.
Blood coagulation
C.
Childbirth
D.
Thermoregulation
E.
Micturition reflex
【单选题】The most critical site for determining urine volume is（ ）
A.
Proximal tubule
B.
The manifold
C.
Thick ascending branch of loop of medullary
D.
Thick segment of descending branch of loop of medullary
E.
Loop of pulposus ascending ramus
【单选题】The common manifestation of most excitable cells responding to stimuli is to produce（ ）
A.
Secretion
B.
Action potential
C.
Nerve impulses
D.
contraction
E.
End plate potential
【多选题】The factors that inhibit gastric acid secretion are（ ）
A.
Gastric inhibitory peptides
B.
Trypsin
C.
Omeprazole
D.
Somatostatin
E.
Gastrin
【单选题】The most basic way to maintain the body position is（ ）
A.
Muscular tension reflex
B.
Flexor reflex
C.
Righting reflex
D.
Contralateral extensor reflex
E.
Tendon reflex
【单选题】The effect of glucocorticoids on blood cells is（ ）
A.
Erythrocytopenia and thrombocytopenia
B.
Erythrocyte, neutropenia and lymphocyte are all decreased
C.
The number of red blood cells and platelets is increased, lymphocyte decreased
D.
RBC and lymphocyte increased, neutropenia decreased,
E.
Erythrocyte and neutropenia decreased, lymphocyte increased
【单选题】At the end of normal expiratory, the amount of air kept in the lungs is equivalent to（ ）
A.
Expiratory volume
B.
Functional residual capacity
C.
Inspiratory reserve volume
D.
residual volume
E.
Lung capacity
【多选题】Blood transfusion may be considered under the following statements（ ）
A.
The donor's blood type is AB and the recipient's is O
B.
The donor's blood type is AB and the recipient's is B
C.
The donor's red blood cells are not agglutinated by the recipient's serum
D.
The donor's blood type is A and the recipient's blood type is AB
E.
The donor's blood type is O and the recipient's blood type is B
【单选题】The common component composed of DNA and RNA is _____（ ）
A.
D-2-deoxyribose
B.
Thymine
C.
D-ribose
D.
Guanine
参考解析：
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