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【单选题】

Which of the following stimulates glycogen synthesis in hepatic cells?( )

A.
Glucagon
B.
Growth hormone
C.
Insulin
D.
Glucagon
E.
Epinephrine
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【单选题】Animals that are cut the brain stem between the upper and lower colliculus of the midbrain will appear( )

A.
Upper motor neuron palsy
B.
Spinal shock
C.
Spastic paralysis of the limbs
D.
Rigor mortis after cortical removal
E.
Brain rigor mortis

【多选题】The physiological characteristics of red blood cells are( )

A.
Plastic deformation
B.
Osmotic brittleness
C.
Suspension stability
D.
Chemotaxis
E.
Release

【单选题】The main reason for decreased urine production during tempestuous exercise is( )

A.
Elevated blood pressure in glomerular capillaries
B.
Renal arterioles contracted and renal blood flow decreased
C.
Increased secretion of aldosterone
D.
Increased secretion of antidiuretic hormone
E.
decreased glomerular filtration area

【多选题】Ventricular muscle cells differ from skeletal muscle cells in( )

A.
Long effective refractory period
B.
The ascending and descending branches of the action potential are asymmetrical
C.
Depolarization is caused by calcium influx
D.
There is an obvious plateau
E.
Duration of action potential

【单选题】Which character is not true for eukaryotic genes?( )

A.
Genes of rRNA and some tRNA have introns too.
B.
All the protein-coding genes in higher eukaryotes have introns.
C.
Eukaryotic gene structure is discontinuous
D.
There is a highly conserved sequence at the junction of exon and intron.

【多选题】The characteristics of facilitated diffusion mediated by a carrier is( )

A.
Independence of membrane proteins
B.
Competitive inhibition
C.
Passive transport
D.
Structural specificity
E.
Saturation

【多选题】The movements of the small intestine are( )

A.
Receptive relaxation
B.
Segmented movement
C.
Peristaltic rush
D.
Peristalsis
E.
Tension contraction

【单选题】The main causes of Parkinson's disease are( )

A.
Motor areas of the cerebral cortex are damaged
B.
Striatum are damaged
C.
The circuit between nigra and striatum dopamine is damaged
D.
The circuit between cerebral cortex and striatum is damaged
E.
The subthalamic nucleus are damaged

【单选题】What is wrong in the following statements about blood transport O2( )

A.
The main form of transport is physical dissolution
B.
The binding of hemoglobin to O2 is reversible
C.
The main form of transport is chemical combination
D.
Low PO2 promote the dissociation of hemoglobin and O2
E.
PO2 is high and promotes the binding of hemoglobin to O2