Top 150+ Solved Fundamentals of NanoScience MCQ Questions Answer

From 76 to 90 of 146

Q. Which of the following methods utilizes the emission of low energy electrons in a process?

a. auger electron spectroscopy

b. electron impact spectroscopy

c. electron spectroscopy for chemical analysis

d. secondary ion mass spectroscopy

  • a. auger electron spectroscopy

Q. Which of the following is the abbreviation of ESCA?

a. electron scattering chemical analysis

b. emission spectroscopy combination analysis

c. electron spectroscopy for chemical analysis

d. electron spectrum chemically analysed

  • c. electron spectroscopy for chemical analysis

Q. Which of the following methods use soft X- rays to eject electrons from inner shell orbitals?

a. auger electron spectroscopy

b. electron impact spectroscopy

c. electron spectroscopy for chemical analysis

d. secondary ion mass spectroscopy

  • c. electron spectroscopy for chemical analysis

Q. Which of the following is the abbreviation of SIMS?

a. secondary ion mass spectroscopy

b. spectrum ionization mass spectroscopy

c. scattering ions mass spectroscopy

d. spectral ionization mass spectroscopy

  • a. secondary ion mass spectroscopy

Q. Which of the following drugs cannot be given as transdermal administration?

a. drugs with very short half-lives

b. drugs with narrow therapeutic indices

c. easy removal and termination

d. drugs against peptic ulcer

  • d. drugs against peptic ulcer

Q. Which of the following characteristics is suitable for transdermal drug?

a. large drug dose

b. large molecular size

c. drugs with narrow therapeutic indices

d. drugs which are metabolized in the skin

  • c. drugs with narrow therapeutic indices

Q. What are the characteristics of the monolithic devices?

a. the drug has a large therapeutic index

b. aqueous solutions

c. control drug release by partitioning the drug from the oil

d. administration of emulsions

  • a. the drug has a large therapeutic index

Q. What are the characteristics of the mixed monolithic-reservoir devices?

a. the drug has a large therapeutic index

b. drug permeation rate is high

c. the drug-polymer matrix is layered by rate- controlling membrane

d. administration of emulsions

  • c. the drug-polymer matrix is layered by rate- controlling membrane

Q. The absorption of the ophthalmic drug does not depend on which of the following?

a. physicochemical properties of the permeating molecule

b. drainage of tears

c. output of tears

d. size of the eyeball

  • d. size of the eyeball

Q. Which of the following is false in regarding reservoir devices?

a. these devices are used when the drug permeation rate is rapid

b. the release of the drug is controlled

c. suitable for low therapeutic indices

d. the drug is contained in a powder form floating on liquid

  • d. the drug is contained in a powder form floating on liquid

Q. Which of the following is true for monolithic devices?

a. these devices are used when the drug permeation rate is rapid

b. the release of the drug is controlled

c. suitable for drugs with large therapeutic indices

d. the drug is contained in a powder form floating on liquid

  • c. suitable for drugs with large therapeutic indices

Q. Which of the following is false for monolithic devices?

a. the drug used for these devices has large therapeutic indices

b. there are three categories of matrix devices

c. 1st type has the drug dissolved in the polymer matrix

d. 2nd type has drug dispersed

  • b. there are three categories of matrix devices

Q.                  Wireless operates services are based on a Wi-Fi Positioning System (WPS).

a. skydrive

b. skyhook

c. skylook

d. none of the mentioned

  • b. skyhook

Q. Point out the wrong statement.

a. mems stands for microelectromechanical systems

b. mems as a class can be between 1000 and 100000 micrometers in size

c. several mems are packaged in smartphones

d. all of the mentioned

  • b. mems as a class can be between 1000 and 100000 micrometers in size
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