Biophysics
Biophysics exam
Biophysics exam
Fichier Détails
| Cartes-fiches | 177 |
|---|---|
| Langue | English |
| Catégorie | Médecine |
| Niveau | Université |
| Crée / Actualisé | 07.02.2020 / 08.02.2020 |
| Lien de web |
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271) When the action potential reaches its minimal value (hyperpolarization), the neuronal membrane is
323) The main dangerous products of water radiolysis are
324) In photodynamic therapy the energy of light is absorbed by
325) Amorphus silicon is used in active matrix panels in the following purpose
326) Comparing the energies carried by different ionization radiations (α,β, γ, X) we obtain
328) Hounsfield units are used
329) In confocal microscopy an image of a certain…
330) The molecular mechanism of diffusion is based on
331) The osmotic pressure can be described as
332) At Nernst equilibrium the electric field causes the migration flow
333) when comparing simple diffusion and facilitated diffusion the right conclusion is
334) Sodium Potassium pump is an active transport mechanism because
335) Comparing the membrane permeability for different ions in the.. one can write
338) Functional components of ligand-gated channels are
340) Depolarization phase of action potentials of different cells may be caused by
1) During a hyperpolarization of the cellular membrane, the bulk (volume) electrolytic in the cytoplasm:
2) At the resting membrane potential of a typical neuronal cell, the values of electrical driving forces for
potassium and sodium ions are approximately:
3) Considering a continuous flow of and ideal fluid through a cylindrical vessel, indicate how will change the
velocity of the fluid flow if the vessel’s radius is increased 3 times (Assume that the pressure indicating
the flow does not change):
4) If we measure for the sake of experiment, the aterial blood pressure to a subject in the standing position
while the cuff is placed on the calf then the measured values of systolic/diastolic pressures will read:
6) When a viscous fluid is transported through a cylindrical vessel of constant diameter and under a constant
pressure, the fluid velocity:
7) The diameter of a cylindrical artery transporting a viscous fluid (blood) was reduced due to the growth of
an atherosclerotic plaque to 25% of its physiological value. Indicate a true sentence
8) The velocity of propagation of the pulse wave along the arterial vessels is:
10) Indicate correct concept of the voltage-calmp technique
11) Indicate in which case the action potential is not propagated with a constant amplitude:
12) GABA(A) receptors are:
13) Indicate how the average kinetic energy (Ek) of a gas particle is related to the gas velocity:
14) The entropy is ( p – pressure, N- number of characterizing a given macrostate, V- volume, R- gas
constant, Q- heat, T- temperature):
15) For the open system the chemical potential for a given compound can be described as:
16) How the osmotic pressure (according the V ant Hoff ) depends on the temperature:
17) The change in free enthalpy ∆G) is equal to zero for
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