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【单选题】
The maintenance of body homeostasis mainly depends on（ ）
A.
Conditioned reflex
B.
Feedforward regulation
C.
Negative feedback regulation
D.
Positive feedback adjustment
E.
Short feedback regulation
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参考答案：
举一反三
【单选题】An increase in the pH of blood will:（ ）
A.
Decrease the oxygen content of the blood
B.
Decrease the oxygen capacity of the blood
C.
Shift the oxyhemoglobin dissociation curve to the right
D.
Decrease P50
E.
Decrease the affinity of hemoglobin for oxygen
【单选题】In the following choices, the unique form of movement of the stomach is（ ）
A.
Group creep
B.
Receptive relaxation
C.
Peristalsis
D.
Pocket movement
E.
Segmented movement
【单选题】Which is not a protein in the following clotting factors（ ）
A.
Factors V and VII
B.
Factors I and II
C.
Factor VI
D.
Factor IV
E.
Factor X
【单选题】The duration of effective refractory period of ventricular muscle depends mainly on（ ）
A.
The level of the end of an action potential repolarization
B.
The rate of the action potential depolarizes at phase 0
C.
The level of threshold potential
D.
Sodium-potassium pump function
E.
The duration of phase 2 of action potential
【单选题】The basic structural units of skeletal muscle contraction and relaxation are:（ ）
A.
H band
B.
Light band
C.
Segment between two adjacent M lines
D.
dark band
E.
Sarcomere
【多选题】Factors that promote energy metabolism increase include（ ）
A.
Mental stability
B.
The environment is hot
C.
Eating
D.
Muscle movements
E.
Cold environment
【单选题】After the original urine passes through which of the following parts, its composition will not change and become final urine（ ）
A.
Distal convoluted tubules
B.
Collecting duct
C.
Descent branch of loop of medullary
D.
The ascending branch of loop medullary
E.
Proximal tubule
【单选题】Which of the following is true about nearsightedness?（ ）
A.
Weak refraction of the eye can occur
B.
nearer than normal people
C.
Most of them are caused by too short anterior and posterior diameter of the eyeball
D.
Image behind the retina
E.
It is necessary to wear convex lens for correction
【单选题】The following characteristics of synaptic transmission are stated correctly（ ）
A.
Non-summation
B.
Fast transmission speed
C.
Synaptic delay
D.
Bidirectional transmission
E.
Not easy to fatigue
【单选题】The most effective digestive fluid for fat and protein digestion is（ ）
A.
Pancreatic juice
B.
Gastric juice
C.
Small intestinal juice
D.
Bile
E.
Saliva
相关题目：
【单选题】An increase in the pH of blood will:（ ）
A.
Decrease the oxygen content of the blood
B.
Decrease the oxygen capacity of the blood
C.
Shift the oxyhemoglobin dissociation curve to the right
D.
Decrease P50
E.
Decrease the affinity of hemoglobin for oxygen
【单选题】In the following choices, the unique form of movement of the stomach is（ ）
A.
Group creep
B.
Receptive relaxation
C.
Peristalsis
D.
Pocket movement
E.
Segmented movement
【单选题】Which is not a protein in the following clotting factors（ ）
A.
Factors V and VII
B.
Factors I and II
C.
Factor VI
D.
Factor IV
E.
Factor X
【单选题】The duration of effective refractory period of ventricular muscle depends mainly on（ ）
A.
The level of the end of an action potential repolarization
B.
The rate of the action potential depolarizes at phase 0
C.
The level of threshold potential
D.
Sodium-potassium pump function
E.
The duration of phase 2 of action potential
【单选题】The basic structural units of skeletal muscle contraction and relaxation are:（ ）
A.
H band
B.
Light band
C.
Segment between two adjacent M lines
D.
dark band
E.
Sarcomere
【多选题】Factors that promote energy metabolism increase include（ ）
A.
Mental stability
B.
The environment is hot
C.
Eating
D.
Muscle movements
E.
Cold environment
【单选题】After the original urine passes through which of the following parts, its composition will not change and become final urine（ ）
A.
Distal convoluted tubules
B.
Collecting duct
C.
Descent branch of loop of medullary
D.
The ascending branch of loop medullary
E.
Proximal tubule
【单选题】Which of the following is true about nearsightedness?（ ）
A.
Weak refraction of the eye can occur
B.
nearer than normal people
C.
Most of them are caused by too short anterior and posterior diameter of the eyeball
D.
Image behind the retina
E.
It is necessary to wear convex lens for correction
【单选题】The following characteristics of synaptic transmission are stated correctly（ ）
A.
Non-summation
B.
Fast transmission speed
C.
Synaptic delay
D.
Bidirectional transmission
E.
Not easy to fatigue
【单选题】The most effective digestive fluid for fat and protein digestion is（ ）
A.
Pancreatic juice
B.
Gastric juice
C.
Small intestinal juice
D.
Bile
E.
Saliva
参考解析：
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