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Sterile Products – Pharmacy Questions (English Only)
1. Which materials are used as chelating agents?
2. Which materials are used as antioxidants (blocking type)?
3. At what pH is atropine stable?
4. What is the droplet size range of an emulsion?
5. What are the methods used to prepare a depot formulation?
6. List materials used as protein stabilizers.
7. What is the maximum volume allowed for:
Intramuscular (IM) injection?
Intraspinal injection?
8. What are the factors affecting drug absorption?
9. Why can't suspensions be given intravenously (IV)?
10. Which dosage forms must be isotonic?
11. Which dosage forms are not required to be pyrogen-free?
12. What is the particle size of a suspension?
13. Which type of glass has the highest chemical resistance?
14. Which type of glass is used for dry powder packaging?
15. Which dosage forms require a leak test?
16. What are the symptoms of exposure to pyrogens? (Common exam question)
17. Which filter is used for strong alcoholic solutions? (Common exam question)
18. Which filter is used for weak alcoholic, oily, and aqueous solutions?
19. What is the standard (stock) test for sterile products?
20. Which dosage forms do not require a leak test?
21. Which has more resistance: glass or plastic?
22. What tests are used to evaluate the resistance of glass?
23. What are the properties of plastics used in packaging?
24. Name non-electrolyte substances used to make solutions isotonic.
25. Which materials are used as synergistic antioxidants?
26. What is the solvent used for testosterone?
27. Testosterone K1 is stable with what?
28. What are the properties required in ophthalmic preparations?
29. Which dosage forms are not absorbed?
30. What are the disadvantages of using glass containers?
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#sterile
Sterile Products – Pharmacy Questions (English Only)
1. Which materials are used as chelating agents?
2. Which materials are used as antioxidants (blocking type)?
3. At what pH is atropine stable?
4. What is the droplet size range of an emulsion?
5. What are the methods used to prepare a depot formulation?
6. List materials used as protein stabilizers.
7. What is the maximum volume allowed for:
Intramuscular (IM) injection?
Intraspinal injection?
8. What are the factors affecting drug absorption?
9. Why can't suspensions be given intravenously (IV)?
10. Which dosage forms must be isotonic?
11. Which dosage forms are not required to be pyrogen-free?
12. What is the particle size of a suspension?
13. Which type of glass has the highest chemical resistance?
14. Which type of glass is used for dry powder packaging?
15. Which dosage forms require a leak test?
16. What are the symptoms of exposure to pyrogens? (Common exam question)
17. Which filter is used for strong alcoholic solutions? (Common exam question)
18. Which filter is used for weak alcoholic, oily, and aqueous solutions?
19. What is the standard (stock) test for sterile products?
20. Which dosage forms do not require a leak test?
21. Which has more resistance: glass or plastic?
22. What tests are used to evaluate the resistance of glass?
23. What are the properties of plastics used in packaging?
24. Name non-electrolyte substances used to make solutions isotonic.
25. Which materials are used as synergistic antioxidants?
26. What is the solvent used for testosterone?
27. Testosterone K1 is stable with what?
28. What are the properties required in ophthalmic preparations?
29. Which dosage forms are not absorbed?
30. What are the disadvantages of using glass containers?
---
#sterile
Q47: How do sigma-blade mixers operate? 🌚
A: They use counter-rotating blades that knead and shear high-viscosity masses.
Q48: What is unique about a planetary mixer? 🥹
A: Double rotation — element rotates around the container and itself, reducing dead
zones.
Q49: What type of mixing do
mulling mixers provide?🙂↔️
A: Kneading, shearing, smearing, and blending, resulting in uniform physical and
chemical structure.
Q50: What is the limitation of mulling mixers? 🙂
A: They are inefficient at uniformly distributing particles in the whole mass.
Roller Mills
Q51: How do roller mills work in mixing? ☝🏻
A: Material passes between rollers rotating at different rates, causing crushing and
shearing.
Q52: Which roller mill type is preferred? 💪
A: Three-roller mills.
A: They use counter-rotating blades that knead and shear high-viscosity masses.
Q48: What is unique about a planetary mixer? 🥹
A: Double rotation — element rotates around the container and itself, reducing dead
zones.
Q49: What type of mixing do
mulling mixers provide?🙂↔️
A: Kneading, shearing, smearing, and blending, resulting in uniform physical and
chemical structure.
Q50: What is the limitation of mulling mixers? 🙂
A: They are inefficient at uniformly distributing particles in the whole mass.
Roller Mills
Q51: How do roller mills work in mixing? ☝🏻
A: Material passes between rollers rotating at different rates, causing crushing and
shearing.
Q52: Which roller mill type is preferred? 💪
A: Three-roller mills.
Q53: What happens when a small amount of liquid is mixed with a large amount of
solid? 👻
A: The liquid coats the particles; if sticking occurs, paste mixers are used.
Q54: What type of equipment is used if solids remain free-flowing? 🐛
A: Solids mixing equipment.🫂
solid? 👻
A: The liquid coats the particles; if sticking occurs, paste mixers are used.
Q54: What type of equipment is used if solids remain free-flowing? 🐛
A: Solids mixing equipment.🫂
Forwarded from Your Pharmacy Guide
Mixing.pdf
725.1 KB
مهمات ال Mixing ، سويناها بطريقة ال Flash cards
هذه الطريقه عالميه ب قرايه معتمده ب UK and USA تسهل عليكم حفظ الماده وفهمها بسرعه
+
الملف يحوي اسئله مرشحه و وزاريه مهمات جداً
هذه الطريقه عالميه ب قرايه معتمده ب UK and USA تسهل عليكم حفظ الماده وفهمها بسرعه
+
الملف يحوي اسئله مرشحه و وزاريه مهمات جداً
Note s4
Darcy’s equation dv/dt=kAدلتاP/nL
الحجم طردي ويه نفاذية وويه المساحة وويه الضغط
Cake filteration= woven
Gelatinous =non woven
Depth media= non woven
Low pressure = non
High flow rate= non
Gelatinous =non woven
Depth media= non woven
Low pressure = non
High flow rate= non
Forwarded from PH_QUIZ💊 (محمد)
تذكر عزيزي الطالب
ب cake filtration 🍰🥮 أو عموما الفلترة
سلبي ←High resistant
🔻Poor flocculation
🔻Low volume
🔻highly compressible
🔻Pressure → if highly compressible
🔻fine particles
إيجابي ← low resistant
🔻 flocculated solids
🔻High volume
🔻High porosity
🔻Non-Compressible (Incompressible)
🔻 Pressure → if Non-Compressible
🔻 Irregulary shaped pours
🔻Coarse particles
https://t.me/Quizpharmcy
ب cake filtration 🍰🥮 أو عموما الفلترة
سلبي ←High resistant
🔻Poor flocculation
🔻Low volume
🔻highly compressible
🔻Pressure → if highly compressible
🔻fine particles
إيجابي ← low resistant
🔻 flocculated solids
🔻High volume
🔻High porosity
🔻Non-Compressible (Incompressible)
🔻 Pressure → if Non-Compressible
🔻 Irregulary shaped pours
🔻Coarse particles
https://t.me/Quizpharmcy
Forwarded from Organic 📄🧪.
⬇️💕Sterile Products
💠most dosage forms free from microorganisms = parenteral, ophthalmic, and irrigating agents
💠ليش parenteral لازم تكون معقمة ؟
لان راح تعبر خط الدفاع الاول للجسم الي هو skin or mucous membranes وتروح للدم فلازم تكون معقمة ومابيها contamination
💠intravascular = no absorption direct enter blood
💠other parental = need to absorption From blood vessel wall, and usually one or more tissue cell walls ▶️ enter blood
💠Mechanisms of absorption = passive diffusion
💠شلون نفضل الدوه يكون من ننطي بارينتل علمود الامتصاص ؟
both lipophilic and hydrophilic
واذا جان lipophilic اكثر شي ، حيكون افضل ويمتص بسرعة
💠شنو العوامل الي تاثر ع الامتصاص ؟
size and number of blood vessels ، movement tissue ، properties drug ، characteristics of the dosage form ، nature of the vehicle, and its pH.
💠شنو العوامل الي تاثر ع distributes ؟
degree of binding to plasma proteins
💠شنو العوامل الي تاثر ع elimination ؟
hepatic metabolism and/or renal excretion.
💠شلون ننطي IV ؟
يااما aqueous solutions
او emulsions بس لازم أتحكم بحجم الجزيئات ب dispersed phase
💠شلون انطي intraspinal ؟ وليش ؟
بسبب sensitivity مال nerve tissues ف انطي بس ع شكل purest of solutions
💠لمنو استخدم solid pellets؟ لل IM و SC
💠شنو الي يأثر على nature of a preparation؟
onset، duration ، absorption pattern
💠قطرات العين تمتص ؟ وشلون لازم نعقمها وليش ؟
لا تشتغل local ، نعقمها حسب standards من نعقم البارينتل ، ولأن العين كلش حساسة فلازم تكون خالية من contamination
💠ليش لازم Irrigating solutions يكون معقم نفس البارينتل؟
لان يمكن حيدخل من مكان الجرح ويروح للدم فلازم نحرص مابي contamination
💠شكد لازم انطي دوز ب intracutaneous وليش ؟
لازم ماتكون اكثر من 0.2ml لان tissue volume صغيره والامتصاص بطيء لان بسبب lack of blood vessels
بقية الأرقام اطلعوا عليهن
💠منو اكثر طريقة انطيها ب large volumes وتكون أمان ؟ IV
💠منو انطي ع شكل Isotonicity؟
intraspinal
لان cerebrospinal fluid وأي خلل بالضغط الازموزي حيسوي headache and vomiting
intracutaneous
لان استخدمة بالتشخيص واذا جان مو nonisotonic حينطيني نتيجة غلط
IV
لازم استخدمة ايزوتونيك ، بس اذا استخدمتة paratonic لازم انطيني بشكل بطيء لان بسرعة حيتخفف وي الدم
💠شلون أزيد الامتصاص مال IM ؟
اسوي slightly hypertonic
💠ليش مااكدر انطي IV ع شكل susp ؟
لان راح يسد blood vessels فيروح يسوي جلطات
💠ليش مااكدر انطي SC ع شكل Aqueous or oleaginous suspensions ، oleaginous solution؟
لان راح تسوي تهيج وألم
💠شوكت انطي قطرات مال العين ع شكل susp ؟ اذا اريد تأثير علاجي مثل corticosteroids
💠شكد نسبة particles حتى يحس الشخص اكو شي بعينة ؟ 5%
💠شنو اكثر Sterile products ؟
solutions، suspensions، solid pellets
💠شنو أسوي إذا اريد انقي المنتج ؟ لازم استخدم كمية صغيرة أنقيها لأن إذا جانت جبيرة حواجة صعوبة بالتنقية
💠شنو مواصفات Ophthalmic ؟
لازم تكون pure ، مابيها contaminants ، عدها stabilize pH ، اضيفلها antioxidants اذا احتاجت ، isotonic or nearly
💠اذا اكو pyrogens بالقطرات مال العين راح تمتص ؟
لا لان قطرات العين تشتغل local
💠شكد لازم تكون نسبة solids ب frozen plug ؟ 2 and 25%
💠شنو المواد الي أضيفها لل solid الموجود ب frozen plug؟
sodium phosphates. Sodium chloride
اذا استخدمنا Sodium chloride وحدها شنو راح يصير ؟ cake tends to shrink وتتفتت
💠شلون اسوي الدرك slow dissolution ؟
1-salts with very low aqueous (moet common)
2-Control of the particle size ( large )
3-suspension particles in vegetable oils with aluminum monostearate
💠شنو adsorbents الي أربطة وي الدرك ؟ aluminum hydroxide gel أربطة وي vaccines
💠شنو العوامل الي تتحكم ب encapsulation ؟
1- rate of permeation out of the diffusion barrier
2- rate of biodegradation of the barrier macromolecules
.
شنو نوع encapsulation الي راح استخدمها ؟
gelatin, phospholipids, and long-chain fatty acids
💠شنو العوامل الي تتحكم ب esterification ؟
1-partitioning of the drug esters from the reservoir to tissue fluid
2- rate at which the drug ester regenerates the active drug molecule.
💠شكد لازم تكون نسبة solids بال Suspensions ؟ 0.5 and 5%
💠شوكت لعد استخدم نسبة 30 %؟ antibiotic
preparations
💠شلون احل مشكلة oleaginous suspensions ؟ اسوي thixotropy
💠شنو مشكلة Emulsions ؟
لازم أحافظ ع حجم oil droplets of 1 to 5 μm ب
internal phase
Forwarded from Organic 📄🧪.
Sterile Products⬇️💕
💠شنو فرق Emulsions عن susp ؟ ماينفصل بسهوله لان فرق كثافة المي والزيت قليلة
💠شنو مثال ع Emulsions ؟
vitamin K1, stabilized with lecithin.
💠ليش اخلي وي الدرك ingredients؟
حتى احسن convenience، acceptability، effectiveness
💠ليش اسوي تقييم لكل combination ؟
حتى اتأكد انو ingredients ماتتفاعل وي الدرك واذا تفاعلت امنع التفاعل لو أقلله
💠شلون افحص quality of water ؟
total solids content, a gravimetric evaluation
💠شكد لازم تكون نسبة solids بالمي ؟ 10 ppm واكو منتجات ماتتحمل هيج كمية
💠ليش لازم اقلل organic compounds بالمي ؟
لان تكون toxic ، ومصدر nutrition لل microorganisms
💠شكد لازم يكون conductivity ؟
not more than 1micromho (1 megohm, approximately 0.1 ppm NaCl)
💠شكد لازم تكون نسبة total organic carbon بالمي ؟
not more than 500 ppm.
💠ليش اكو منتجات مااكدر استخدم المي بيها ؟
because of solubility factors or hydrolytic reactions.
💠شنو الي يخلي المي يذوب ionizable electrolytes؟
high dielectric constant
💠شنو مشكلة Ether من استخدمة سولفنت ب testosterone؟ highly irritating
شلون احل المشكلة ؟ اسوي mixed solvents
💠شلون احل مشكلة degradative reactions؟ اعدل ع pH
💠شلون احل مشكل Epinephrine من يصيرلة racemization and oxidation؟
اخلي PH 3.0 or less
💠شلون احل مشكلة Atropine من يصيرلة hydrolyzes؟
اخليله buffer وأضبط pH 3.5 to 4.0
💠شلون احل مشكلة pentobarbital sodium؟
اسوي ع شكل mixed solvent⬇️
60% polyethylene glycol 400 and 10% ethanol in water at a pH of 8.
💠شنو مشكلة Oleaginous injections؟
تكون viscous خاصا بالجو البارد فصعب ننطيها
💠شنو Solutes الي استخدمها ب parenteral grades ؟
ascorbic acid and calcium gluconate
💠شوكت أضيف Antibacterial agents ؟
1- multiple-dose vials
2-sterilized by marginal processes or made by
aseptic manipulation.
💠شوكت أضيف Antioxidants ؟ thermal sterilizatio
💠شلون تشتغل Antioxidants؟
1- reducing agents
2-blocking agents
3-synergists
4- Chelating agents
5- displacing oxygen (air) with either nitrogen or carbon dioxideand