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WorksheetsManufacturing of Sterile Dosage Forms
Total questions: 35
Worksheet time: 35mins
Which of the following sources are potential contaminants of the clean room?
Human
Raw material
Air
Processing method
What does HVAC stand for?
Heating, ventilation and air
Heating, ventilation and air conditioning
Heating , ventilation and air cooling
Heating, ventilation and air solutions
This picture shows an example of _______________.
Personnel airlock
Material airlock
Isolator
Cleanroom
This is an example of _______________ laminar flow station.
Turbulence
Horizontal
Vertical
Diagonal
This laminar flow station is suitable for the compounding/ reconstitution of __________________________.
cytotoxic drugs
total parenteral nutrition
vaccine
radiopharmaceuticals
Which laminar flow station offers greater operator protection?
Horizontal
Vertical
Both types
None of them
Sterility assurance level (SAL) is also known as ___________.
probability of non-sterile unit
colony forming unit
clinical microbiology unit
sterility testing unit
Sterility assurance level must be
equal and smaller than 10-4
equal and smaller than 10-5
equal and smaller than 10-6
equal and smaller than 10-7
Limulus Amebocyte Lysate (LAL) test is specific for the detection of _________________.
peptidoglycans
biofilm
lipopolysaccharides
β-glucans
European Pharmacopoeia permits production of WFI by
reverse osmosis
vapour-compression distillation
ultrafiltration
multiple-effect distillation
The USP requires WFI must be used within _____ hour after collection.
6
12
18
24
What is the USP test limit for WFI's total organic carbon ?
< 300 ppb
< 400 ppb
< 500 ppb
< 600 ppb
What is biofilm?
A dormant, tough, and non-reproductive structure produced by some bacteria and archaea in the phylum Firmicutes.
A unit used In microbiology to estimate the number of viable bacteria or fungal cells in a sample
A potent pyrogenic substances from the cell wall (lipopolysaccharides, LPS) of gram-negative bacteria
An assemblage of microbial cells that is irreversibly associated with a surface and enclosed in a matrix of primarily polysaccharide material.
All the following are terminal sterilisation methods except ______________.
filtration
moist heat
dry heat
radiation
Which of the following sterilisation methods is suitable for protein solution?
Moist heat
Dry heat
Ethylene oxide
Filtration
Sterilising filters have the pore size of __________.
0.15 μm
0.22 μm
0.32 μm
0.45 μm
All the following methods can be used to sterilise glassware and metal instruments except __________________.
Moist heat
dry heat
filtration
gas
Which of the following types of sterilisation by radiation methods is commonly found in WFI system?
Gamma radiation
UV radiation
Electron beam radiation
X-ray radiation
What are the disadvantages of sterilisation by EtO?
Highly explosive
Carcinogenic
Operating at low temperature
EtO is a surface sterilant
What is the major concern with radiation sterilisation?
High cost
Highly explosive
Product degradation
Carcinogenic
The required time at a given temperature to kill 90% of the exposed microorganisms is known as _________________.
D-value
F-value
Z-value
Fo value
All the following are advantages of moist heat sterilisation except ________________.
shorter duration
performed at lower temperature than dry heat
cost effective
effective method
What is the sterilisation parameter of moist heat sterilisation?
121°C for 30 min
140°C for 4 hour
160°C for 2 hour
170°C for 1 hour
Which sterilisation method is recommended for thermostable, large volume parenteral liquid?
Dry heat
Moist heat
EtO
Filtration
Which sterilisation method is recommended for thermostable, dry powdered drugs?
Dry heat
Moist heat
EtO
Filtration
Dry heat sterilisation is carried out in ______________; moist heat sterilisation is carried out in ______________.
autoclave; oven
autoclave; autoclave
oven; oven
oven; autoclave
Moist heat sterilisation kills microorganisms by
oxidation
disruption of DNA
coagulation of cell wall proteins
free radical formation
Dry heat sterilisation kills microorganisms by
DNA disruption
excitation of covalent bonds
pyrolysis and oxidation
coagulation of cell wall proteins
Choose the common types of ophthalmic dosage forms.
Solution
Suspension
Emulsion
Ointment
All are advantages of ophthalmic dosage products except
local effect
short retention time of the drugs
higher concentration of drugs is achievable
self-administration is possible
What is the pH of human blood?
5.5
6.8
7.4
8.1
In order to deliver the drug through cornea, the drug must be
sterile
ionised
unionised
low molecular weight
Which of the following types of surfactant is commonly used in eye drop formulations?
Anionic
Cationic
Amphoteric
Non-ionic
Which of the following bases are commonly used in ophthalmic ointment?
Hydrocarbon bases
Water-soluble bases
Water-removable bases
Non-emulsified absorption bases
