Free Questions and Answers for All Medical Students all over the World
Q- A patient with HIV history develops fecal urgency and bloody diarrhea. Which of the following is the most likely causative organism? A- Entamoeba histolytica B- Clostridium difficile C- Cytomegalovirus D- Giardia lamblia Q- Which one of the following medications acts at the proximal tubule of the kidney? A- Acetazolamide B- Furosemide C- Hydrochlorothiazide D- … Read more
Q- Which of the following joint conditions is characterized by narrowing of the joint space and formation of osteophytes? A- Gouty arthritis B- Osteoarthritis C- Pseudogout D- Rheumatoid arthritis Q- Which one of the following drugs works through inhibition of the acetyl-cholinesterase enzyme and is used in myasthenia gravis? A- Atropine B- Montelukast C- Neostigmine … Read more
Q- A patient with acute appendicitis complains of abdominal pain. Which of the following chemical mediators is responsible for this pain? A- Histamine and serotonin B- Leukotriene and interleukin-1 C- Prostaglandin and bradykinin D-Tumor necrosis factor and IgG Q- Which one of the following types of cells is involved in foreign body reaction? A- Eosinophil … Read more
Q- Which of the following is the mechanism of action of hydralazine in treating cardiovascular disorders? A- Decreased cardiac preload B- Parasympathetic stimulation C- Relaxation of arterial smooth muscle D- Sympathetic antagonism Q- Which one of the following medications increases the threshold for angina? A- Benazepril B- Digoxin C- Furosemide D- Metoprolol Q- Which of … Read more
Q- Which of the following is the mechanism of action of ciprofloxacin? A- Inhibits bacterial protein synthesis through binding with the 30S B- Inhibits DNA gyrase and relaxation of DNA C- Interferes with bacterial cell wall synthesis D- Interferes with bacterial metabolic production Q- Which of the following is the most effective treatment of a … Read more
Q- Loss of individual cells by fragmentation of nuclei and cytoplasm caused by a chemotherapeutic agent is produced through which one of the following mechanisms? A- Acute inflammation B- Apoptosis C- Mitochondrial poisoning D- Phagocytosis Q- A newborn presents with the absence of the contents of the left scrotal sac. There is no other abnormality. … Read more