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起止时间:2021-01-22到2021-04-02
更新状态:已完结
Basic Theories of Pharmaceutics & Liquid Pharmaceutical Preparations (1)
1、 Sodium dodecyl sulfate is
A:Anionic surfactant
B:Cationic surfactant
C:Zwitterionic surfactant
D:None of the above
答案: Anionic surfactant
2、 Which of the following are zwitterionic surfactants
A:Soaps
B:Fatty acid glycerides
C:Quaternary ammonium salts
D:Globulins
答案: Globulins
3、 Which of the following surfactants can be used as disinfectants
A:Benzalkonium bromide
B:Sodium dodecyl sulfate
C:Myrjs
D:Brijs
答案: Benzalkonium bromide
4、 Which of the following are non-ionic surfactants
A:Soft phospholipid
B:Tween 80
C:Sodium dodecyl sulfate
D:Benzalkonium chloride
答案: Tween 80
5、 The optimal range of HLB value required for solubilization is
A:8 to18
B:6 to 8
C:15 to 18
D:8 to 10
答案: 15 to 18
6、 Which of the following is the most toxic surfactants
A:Tween 80
B:Soaps
C:Span 20
D:Benzalkonium bromide
答案: Benzalkonium bromide
7、 Which of the following can function as a W/O type emulsifier
A:Mrij 45
B:Acacia gum
C:Span 80
D:Tween 80
答案: Span 80
8、 According to DLVO theory, the main factor for the relative stability of sol is
A:The electric layer structure on the surface of colloidal particles
B:The colloidal particles and dispersion medium generate 5 potentials when moving far
C:Brownian motion makes colloidal particles difficult to coalesce
D:The electric repulsion generated when the ion atmosphere overlaps is dominant
答案: The electric repulsion generated when the ion atmosphere overlaps is dominant
9、 Which of the following statement about the optical properties of particles is incorrect
A:Light in solution of low molecular is mainly reflection
B:The reflection and scattering of light mainly depend on the size of the particles
C:Tyndall phenomenon is the macroscopic expression of particles reflecting light
D:Coarse dispersion system mainly makes light scattered
答案: Light in solution of low molecular is mainly reflection
10、 What kind of fluid glycerin belongs to
A:Swelling fluid
B:Thixotropic fluid
C:Newtonian fluid
D:Pseudoplastic fluid
答案: Thixotropic fluid
11、 Which of the following is non-polar solvent
A:Propylene glycol
B:Polyethylene glycol
C:Liquid paraffin
D:Glycerin
答案: Liquid paraffin
12、 Which of the following methods cannot increase the solubility of drugs
A:Adding cosolvent
B:Adding suspending agent
C:Transforming the drug to its salt form
D:Using cosolvent
答案: Adding suspending agent
13、 A drug is more soluble that keep at an amorphous state.
A:正确
B:错误
答案: 正确
14、 According to the Nernst-Brunner Equation, the larger the thickness of diffusion layer, the slower the dissolution rate.
A:正确
B:错误
答案: 正确
15、 The drug particle dispersion system is a kinetic stable but thermodynamically unstable system
A:正确
B:错误
答案: 错误
Liquid Pharmaceutical Preparations (2) & Aseptic Technologies
1、 What water can be used as a solvent for powder injection
A:pure water
B:purified water
C:water for injection
D:sterile water for injection
答案: sterile water for injection
2、 Which of the following statements about pyrogen is true
A:thermolability
B:insoluble in water
C: nonvolatility
D:Not adsorbed
答案: nonvolatility
3、 Which of the following is not the nature of a polymer solution
A:Gelability
B:Hydration
C:Surface activity
D:Chargeability
答案: Surface activity
4、 Which of the following is a liquid preparation bound to use topically
A:Tinctures
B:Syrups
C:Spirits
D:Glycerins
答案: Glycerins
5、 Which of the following preparations can be taken orally
A:Decoctions
B:Lotions
C:Liniments
D:Gargles
答案: Decoctions
6、 Which of the following methods is useless for evaluating the quality of suspensions?
A:Determination of particle size
B:Redispersion test
C:Determination of turbidity
D:Determination of sedimentation volume ratio
答案: Determination of turbidity
7、 Which of the nature of suspending agents is correct?
A:Surfactants are often used as suspending agents
B:Suspending agent can increase the viscosity of the dispersion medium
C:Suspension agent can increase the flocculation degree of the suspension agent
D:Suspending agent can reduce the potential of particles
答案: Suspending agent can increase the viscosity of the dispersion medium
8、 The phenomenon of emulsion changing from one type to another is called
A:Phase inversion
B:Stratification
C:Rancidity
D:Flocculation
答案: Phase inversion
9、 Which emulsifier of the following is available for intravenous use?
A:Acacia
B:Sodium oleate
C:Poloxamer 188
D:Organic amine soaps
答案: Poloxamer 188
10、 In the following description about the preparation of emulsions by dry-gum method, which is incorrect?
A:The ratio of oil, water and gum should be appropriate
B:The emulsifier should be dispersed in a small amount of water first
C:The mortar should be dry
D:Before initial emulsion is formed, it cannot be diluted with water
答案: The emulsifier should be dispersed in a small amount of water first
11、 Which of the following descriptions of sterilization is true
A:Vaseline can be sterilized by dry heat sterilization
B:Autoclave has little to do with water vapor saturation
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