Free Questions and Answers for All Medical Students all over the World
Q- Which of the following is the mechanism of action of selegiline in treating Parkinson’s disease? A- Agonist at dopamine receptors B- Blocks catechol-O-methyltransferase (COMT) C- Inhibition of MAO type B to reserve dopamine D- Precursor of dopamine Q- Which of the following is the mechanism of action of zileuton for asthma? A- Inhibition of … Read more
Q- Which of the following is the target LDL in a patient with diabetes? A- Less than 70 B- 70-100 C- 100-130 D- More than 130 Q- Erythema infectiosum (Fifth disease) is caused by which of the following organisms? A- Coxsackie A virus B- Paramyxovirus C- Parvovirus B19 D- Rubella virus Q- Which of the … Read more
Q- Which of the following correctly describes unstable angina? A- Angina following strenuous exercise B- Angina occurs at rest C- Angina relieved by rest Q- Which one of the following disorders is accompanied by blue sclera? A- Duchenne muscular dystrophy B- Neurofibromatosis type 2 C- Osteogenesis imperfecta D- Systemic lupus erythematosus Q- Which of the … Read more
Q- A 58-year-old man takes verapamil for hypertension and angina. Which of the following is a common adverse effect of a high dose of this drug? A- Constipation B- Diarrhea C- Hyperglycemia D- Sexual dysfunction Q- Which of the following drugs improves skeletal muscle spasm by acting inside the muscle cell? A- Botulinum toxin B- … Read more
Q- What is the correct match regarding the genetic transmission of the following diseases? A- Duchenne muscular dystrophy- X-linked dominant B- Huntington’s disease- Autosomal recessive C- Hypophosphatemic rickets- X-linked recessive D- Leber hereditary optic neuropathy- Mitochondrial inheritance Q- Which type of hypersensitivity reaction develops from Mycobacterium tuberculosis? A- Type I B- Type II C- Type … Read more
Q- Thyroid hormone can cause which one of the following effects? A- Hypoglycemia B- Lowers blood cholesterol C- Lowers body temperature D- Lowers oxygen consumption Q- Which one of the following enzymes is associated with Lyesh-Nyhan syndrome? A- Adenosine deaminase B- Hypoxanthine-guanine phosphoribosyl transferase C- Ribonucleotide reductase D- Xanthine oxidase Q- Pemphigus is an autoimmune … Read more