Biophysics

90)  Mechanism of accommodation is related to the properties of:

91)    Electrical capacitance of a membrane:

92)    The acetylcholine receptors at the… (it has to do something with postsynaptic cleft?)

93)     Entropy is a measure of:

94)  If the radius of a cylindrical vessel would decrease 2 fold, then the homeodynamic resistance:

95)  Decrease in potassium ion concentration in the extracellural fluid would cause:

96)  Fick’s law states that:

97)  Which element of the eye’s optic system shows the highest optical power…(?)..:

98)  Detection of signals characterized by a low frequency (tens of Hz) occurs at the basilar membrane:

99)  Switching of dark current in the rod takes place due to:

100)  Ganglion cells innervating the retina beyond the fovea:

101)  Total optic power of the human eye is app:

102)  The distance of the object from a thick lens is calculated as:

103)  The lens has optic power of -5 dioptres

104)  Which of the following statements below is correct?

105)  When the membrane potential is at its resting level

106) The Weber – Fechner law states that:

107)  In the case of Nernst equilibrium:

108)  Opening of potassium channels would result in:

110)  Inactivation of sodium channels:

111)  Which of following is released upon neuromuscular transmission?

112)  Neuromuscular transmission results in:

113)  In the closed system, when the volume of the system is compressed (a small volume change), the internal energy will change by (p-pressure, T-temperature and K- constant):

114)  For the ideal fluid, when the pressure is constant and the diameter of the tube is increased 2-fold, the velocity of the flow will:

115)  The plateau phase of the action potential generated by a Purkijne cell have app:

116)  the mechanism underlying “one way” propagation of action potential is

117)  the term “population invasion” is used to describe the following situations

118)  the correct description of chromatic aberration is given by

(answer not sure)

121)  The depolarization of hair cells is caused by

122)  Let Re denote the Reynold number, the flow is lamina

123) The average pressure difference driving the blood flow.. about

127)  In chemical synapse postsynaptic potentials are generated

129)  In excitatory and inhibitory system synapses the postsynaptic potentials are as follows

130)  in neuro-muscular junction AChR proteins are located mainly

(answer not sure)

131)  in striated muscle cells the contraction is triggered by increase of calcium concentration. Calcium ions enter sarcoplasm from

133)  spontaneous depolarization

(answer not sure)

134)  the difference between uni- and bipolar ECG recording is that

138)  Bernoulli's equation describes the formula:

139)  The speed of sound is best transmitted

141)  Ruby laser: