Pharmaceutical education

طلاب عيني هي القناة بيها امسكيو عن الفسلجه اختبرو نفسكم بعد كل جابتر موتعتمدون فقط ع الامسكيو

أن شاء الله مبارك للناجحين وبالنسبة للراسبين ابدا لا تحبطون اكو دور ثاني وبي تعويض ابدوا اقروا من هسة لحد يوم 30 اكو وقت هواي وان شاء الله الكل ينجح وانتوا قادرين تجيبون نتيجة كلش زينه حتى أكثر من أصحاب الدور الاول باذن الله وابدا ابدا لحد يفكر بالتحميل وراءنه مرحلة ثالثة مليئة بالمواد الي معقدة أكثر من الثانية ما اريد احبطكم بس لحد يفكر بالتحميل فكر تعبر من ثانية فرصة وان شاء الله الكل يعبر للثالثة بتفوق وبالتوفيق للجميع✨

الى هنا وانتهت سنة مليئة بالضغوط والتعب والجهود العظيمة التي بذلتوها كانت سنة مليئة بالتعب لكن الله لا يضيع تعب وجهد أحداً وبهل السنة تعاونه بهل القناة وان شاء الله كنا غير مقصرين بشيء احب اشكر كل المساهمين بهل القناة والذين ساعدوا وان شاء الله بميزان حسناتكم✨ واعذرونه عن التقصير أو إذا بدر منا شيء ما حلو فسامحونا أو قصرنه بشيء واتمنى أفدنا الجميع ولو بشيء بسيط نلتقي أن شاء الله السنة القادمة بجهود أكثر ونفيدكم اكثر سواء نحن أو غيرنا نتمنى منكم دعاء لنا على هذا المجهود البسيط الذي قدمناه لكم ✨ وان شاء الله الكل يكون في المرحلة الثالثة✨🤲🤍 ✨ Admins pharmacist education channel✨

1. What is hypersensitivity? • A. An exaggerated inappropriate immune response harmful to the host • B. A mild immune reaction to pathogens • C. The body’s ability to tolerate allergens • D. An immune response that occurs after the third contact with an antigen • E. A genetic disorder • Answer: A 2. What is the primary characteristic of Type I hypersensitivity? • A. Involves IgG antibodies • B. Delayed reaction starting 2-3 days after contact • C. Immediate reaction within seconds after antigen exposure • D. Formation of immune complexes • E. T-cell mediated response • Answer: C 3. Which of the following is a mediator of Type I hypersensitivity? • A. Cytokines • B. Histamine • C. Antibodies • D. Interleukins • E. Chemokines • Answer: B 4. What type of hypersensitivity involves IgG antibodies binding to cell surface antigens? • A. Type I • B. Type II • C. Type III • D. Type IV • E. None of the above • Answer: B 5. Which type of hypersensitivity reaction is associated with hemolytic anemia? • A. Type I • B. Type II • C. Type III • D. Type IV • E. Type V • Answer: B 6. What results from the formation of immune complexes in Type III hypersensitivity? • A. Tissue damage • B. Anaphylaxis • C. Antibody production • D. T-cell activation • E. Histamine release • Answer: A 7. Which of the following is an example of a local immune complex-mediated hypersensitivity reaction? • A. Systemic lupus erythematosus • B. Rheumatoid arthritis • C. Arthus reaction • D. Hemolytic anemia • E. Contact dermatitis • Answer: C 8. What is characteristic of Type IV hypersensitivity? • A. Immediate reaction • B. Involves IgE antibodies • C. T-cell mediated and delayed response • D. Formation of immune complexes • E. IgG antibody binding • Answer: C 9. Which type of hypersensitivity is involved in the tuberculin skin test? • A. Type I • B. Type II • C. Type III • D. Type IV • E. Type V • Answer: D 10. What can cause contact hypersensitivity? • A. Bacterial infection • B. Viral infection • C. Simple chemicals like formaldehyde • D. Food allergens • E. Environmental allergens • Answer: C 11. What is the primary cause of autoimmune diseases? • A. External infection • B. Genetic defects leading to loss of self-tolerance • C. Chemical exposure • D. Physical injury • E. Radiation • Answer: B 12. Which of the following is a primary immunodeficiency disease? • A. HIV/AIDS • B. Leukemia • C. Rheumatoid arthritis • D. DiGeorge syndrome • E. Systemic lupus erythematosus • Answer: D 13. What virus is most commonly associated with secondary immunodeficiency? • A. Influenza • B. Measles • C. Hepatitis B • D. HIV • E. Herpes simplex • Answer: D 14. Which condition is an example of an autoimmune blood disorder? • A. Type I diabetes • B. Multiple sclerosis • C. Hemolytic anemia • D. Myasthenia gravis • E. Addison’s disease • Answer: C 15. What is a common symptom of thrombocytopenic purpura? • A. Fever • B. Enlarged lymph nodes • C. Small patches of hemorrhage in the skin • D. Joint pain • E. Muscle weakness • Answer: C 16. Which autoimmune disease is characterized by a bright facial rash and can lead to renal failure? • A. Rheumatoid arthritis • B. Systemic lupus erythematosus • C. Multiple sclerosis • D. Type I diabetes • E. Psoriasis • Answer: B 17. What is a common late result of rheumatoid arthritis? • A. Fever • B. Weight loss • C. Hand deformities • D. Enlarged spleen • E. Increased blood pressure • Answer: C 18. Which autoimmune disease affects the thyroid gland and leads to thyrotoxicosis? • A. Type I diabetes • B. Systemic lupus erythematosus • C. Addison’s disease • D. Hashimoto’s thyroiditis • E. Graves’ disease • Answer: E 19. What type of hypersensitivity reaction involves the delayed response by sensitized T lymphocytes? • A. Type I • B. Type II • C. Type III • D. Type IV • E. Type V • Answer: D 20. Which drug can block histamine receptors in Type I hypersensitivity? • A. Aspirin • B. Ibuprofen • C. Antihistamine • D.

Steroid • E. Antibiotic • Answer: C 21. What is the cause of hemolytic anemia in Type II hypersensitivity? • A. Viral infection • B. IgE antibody production • C. Autoantibody formation • D. T-cell activation • E. Histamine release • Answer: C 22. What is a well-known immune complex disease occurring after a streptococcal infection? • A. Rheumatoid arthritis • B. Systemic lupus erythematosus • C. Acute post-streptococcal glomerulonephritis • D. Contact dermatitis • E. Hemolytic anemia • Answer: C 23. Which disease involves the absence of clotting factor VIII and excessive bleeding? • A. Hemolytic anemia • B. Thrombocytopenic purpura • C. Autoimmune hemophilia • D. Systemic lupus erythematosus • E. Rheumatoid arthritis • Answer: C 24. Which autoimmune disease is characterized by chronic inflammation of the joints? • A. Systemic lupus erythematosus • B. Type I diabetes • C. Rheumatoid arthritis • D. Addison’s disease • E. Myasthenia gravis • Answer: C 25. What is the primary function of the immune system in autoimmune diseases? • A. Destroy foreign pathogens • B. Produce autoantibodies • C. Enhance immune tolerance • D. Regulate immune responses • E. Reduce inflammation • Answer: B 26. Which type of hypersensitivity reaction is associated with systemic anaphylaxis? • A. Type I • B. Type II • C. Type III • D. Type IV • E. Type V • Answer: A 27. Which condition is an example of a localized autoimmune disease? • A. Systemic lupus erythematosus • B. Rheumatoid arthritis • C. Graves’ disease • D. Addison’s disease • E. Hashimoto’s thyroiditis • Answer: E 28. What is the characteristic symptom of systemic lupus erythematosus (SLE)? • A. Joint pain • B. Muscle weakness • C. Bright facial rash • D. Hair loss • E. High blood pressure • Answer: C 29. Which disease involves autoantibodies against blood cells? • A. Myasthenia gravis • B. Systemic lupus erythematosus • C. Addison’s disease • D. Type I diabetes • E. Graves’ disease • Answer: B 30. Which immune deficiency disease is caused by external factors like viruses and drugs? • A. Primary immunodeficiency • B. Autoimmune disease • C. Secondary immunodeficiency • D. Allergic reaction • E. Type IV hypersensitivity • Answer: C

مناعة 2

علي هاي MCQ عن المناعة اول ملزمة

1. What is an antigen? • A. A protein produced in response to pathogens • B. A substance that induces the production of antibodies • C. A type of immune cell • D. A non-specific immune response • E. A type of enzyme • Answer: B 2. What is a hapten? • A. Complete antigen • B. Protein produced in response to pathogens • C. Incomplete antigen • D. Type of immune cell • E. Enzyme that degrades antigens • Answer: C 3. Which of the following is part of the innate immune system? • A. T cells • B. B cells • C. Natural killer cells • D. Antibodies • E. Plasma cells • Answer: C 4. What do lysozymes on the skin do? • A. Produce antibodies • B. Engage in phagocytosis • C. Have antimicrobial activity • D. Facilitate vasodilation • E. Stimulate mast cells • Answer: C 5. Which cells are involved in phagocytosis? • A. NK cells • B. T cells • C. B cells • D. PMNs and macrophages • E. Plasma cells • Answer: D 6. Which immune response does not generate antigenic specific immunity? • A. Adaptive immunity • B. Innate immunity • C. Humoral immunity • D. Cellular immunity • E. Complement system • Answer: B 7. What is the function of NK cells? • A. Produce antibodies • B. Recognize and kill virus-infected cells and tumor cells • C. Engulf bacteria • D. Produce cytokines • E. Present antigens to T cells • Answer: B 8. Which pathway is NOT part of the complement system? • A. Classical pathway • B. Alternate pathway • C. Lectin pathway • D. Enzyme pathway • E. None of the above • Answer: D 9. What is opsonization? • A. Lysis of bacteria • B. Attraction of phagocytes • C. Coating of microorganisms for phagocytosis • D. Facilitation of vasodilation • E. Activation of NK cells • Answer: C 10. Which complement component stimulates mast cells and basophils to release histamine? • A. C3a and C5a • B. C1 and C2 • C. C4 and C6 • D. C7 and C8 • E. C9 and C10 • Answer: A 11. What does adaptive immunity include? • A. Innate immunity • B. Humoral and cellular immunity • C. Non-specific barriers • D. NK cell activity • E. Lysozyme production • Answer: B 12. What is the primary site of B cell development in mammals? • A. Thymus • B. Spleen • C. Bone marrow • D. Lymph nodes • E. Liver • Answer: C 13. Where do T cells mature? • A. Bone marrow • B. Thymus • C. Spleen • D. Lymph nodes • E. Liver • Answer: B 14. Which cells are the source of cell-mediated immunity? • A. B cells • B. NK cells • C. T cells • D. Plasma cells • E. Macrophages • Answer: C 15. What is the role of helper (CD4) T cells? • A. Directly kill infected cells • B. Produce antibodies • C. Stimulate B cells to produce antibodies • D. Engulf bacteria • E. Produce complement proteins • Answer: C 16. Which immunoglobulin is most abundant in newborns? • A. IgA • B. IgM • C. IgE • D. IgD • E. IgG • Answer: E 17. Which immunoglobulin is produced early in the primary immune response? • A. IgA • B. IgM • C. IgE • D. IgD • E. IgG • Answer: B 18. What is the role of IgE? • A. Agglutination • B. Opsonization • C. Anaphylactic reactions • D. Complement fixation • E. Neutralization • Answer: C 19. Which immunoglobulin acts as an antigen receptor on lymphocyte surfaces? • A. IgA • B. IgM • C. IgE • D. IgD • E. IgG • Answer: D 20. Which immunoglobulin is predominant in secondary immune responses? • A. IgA • B. IgM • C. IgE • D. IgD • E. IgG • Answer: E 21. How many types of light chains do immunoglobulins have? • A. One • B. Two • C. Three • D. Four • E. Five • Answer: B 22. What does the heavy chain of an immunoglobulin determine? • A. Light chain type • B. Antigen-binding site • C. Immunoglobulin class • D. Complement activation • E. Opsonization • Answer: C 23. What is the role of opsonization in the immune system? • A. Directly killing pathogens • B. Engulfing bacteria • C. Coating pathogens for phagocytosis • D. Stimulating antibody production • E. Producing cytokines • Answer: C 24.

Which component of the immune system provides immediate response to pathogens? • A. Adaptive immunity • B. Innate immunity • C. Humoral immunity • D. Cellular immunity • E. Complement system • Answer: B 25. What is the primary function of the complement system? • A. Producing antibodies • B. Destroying pathogens by lysis or phagocytosis • C. Stimulating T cells • D. Producing cytokines • E. Engaging in phagocytosis • Answer: B 26. Which of the following is NOT a function of antibodies? • A. Defensive function against microorganisms • B. Preventing excessive impact of antigens • C. Opsonization of bacteria • D. Producing complement proteins • E. Neutralization of toxins • Answer: D 27. What is the main characteristic of innate immunity? • A. Specific and long-lasting • B. Non-specific and immediate • C. Antigen-specific • D. Long-lasting immunity • E. Involves B cells • Answer: B 28. What are anaphylotoxins responsible for? • A. Opsonization • B. Vasodilation and increased vascular permeability • C. Directly killing pathogens • D. Producing antibodies • E. Stimulating NK cells • Answer: B 29. What are the primary cells involved in humoral immunity? • A. T cells • B. NK cells • C. B cells • D. Macrophages • E. Dendritic cells • Answer: C 30. Which immunoglobulin does NOT cross the placenta? • A. IgA • B. IgM • C. IgE • D. IgD • E. IgG • Answer: B