Medical Science

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Q. Which bacterium is commonly associated with urinary tract infections?
  • A. Escherichia coli
  • B. Staphylococcus aureus
  • C. Clostridium difficile
  • D. Salmonella enterica
Q. Which bacterium is known for causing strep throat?
  • A. Staphylococcus epidermidis
  • B. Streptococcus pyogenes
  • C. Bacillus cereus
  • D. Clostridium perfringens
Q. Which bacterium is most commonly associated with peptic ulcers?
  • A. Escherichia coli
  • B. Helicobacter pylori
  • C. Streptococcus pneumoniae
  • D. Clostridium difficile
Q. Which bacterium is often linked to dairy products and can cause severe gastrointestinal illness?
  • A. Streptococcus pneumoniae
  • B. Listeria monocytogenes
  • C. Clostridium botulinum
  • D. Salmonella
Q. Which bacterium is responsible for causing tuberculosis?
  • A. Mycobacterium leprae
  • B. Mycobacterium tuberculosis
  • C. Streptococcus pyogenes
  • D. Neisseria meningitidis
Q. Which base pairs with adenine in DNA?
  • A. Thymine
  • B. Cytosine
  • C. Guanine
  • D. Uracil
Q. Which beneficial compound is produced during the fermentation of sauerkraut?
  • A. Acetic acid
  • B. Lactic acid
  • C. Citric acid
  • D. Butyric acid
Q. Which biotechnology technique is used to amplify small segments of DNA?
  • A. Gene cloning
  • B. PCR (Polymerase Chain Reaction)
  • C. DNA sequencing
  • D. Electrophoresis
Q. Which blood vessel type has the highest resistance to blood flow?
  • A. Arteries
  • B. Veins
  • C. Capillaries
  • D. Arterioles
Q. Which bond is responsible for the primary structure of peptides?
  • A. Hydrogen bonds
  • B. Ionic bonds
  • C. Peptide bonds
  • D. Disulfide bonds
Q. Which bone forms the forehead?
  • A. Temporal bone
  • B. Frontal bone
  • C. Parietal bone
  • D. Occipital bone
Q. Which bone is the most lateral in the proximal row of carpal bones?
  • A. Scaphoid
  • B. Lunate
  • C. Triquetrum
  • D. Pisiform
Q. Which brain region is involved in the formation of new memories?
  • A. Hippocampus
  • B. Amygdala
  • C. Thalamus
  • D. Hypothalamus
Q. Which Brucella species is primarily associated with goats and sheep?
  • A. Brucella abortus
  • B. Brucella melitensis
  • C. Brucella suis
  • D. Brucella canis
Q. Which cells are primarily involved in the humoral immune response?
  • A. T cells
  • B. B cells
  • C. Macrophages
  • D. Natural killer cells
Q. Which cells are primarily involved in the innate immune response?
  • A. B cells
  • B. T cells
  • C. Macrophages
  • D. Plasma cells
Q. Which checkpoint is crucial for preventing the division of cells with damaged DNA?
  • A. G1 checkpoint
  • B. S checkpoint
  • C. G2 checkpoint
  • D. M checkpoint
Q. Which chemical agent is a potent carcinogen found in tobacco smoke?
  • A. Formaldehyde
  • B. Benzene
  • C. Nitrosamines
  • D. Acetaldehyde
Q. Which chemical agent is commonly used as a disinfectant due to its ability to denature proteins?
  • A. Ethanol
  • B. Chlorine
  • C. Hydrogen peroxide
  • D. Formaldehyde
Q. Which chemical agent is known for its neurotoxic effects and is often found in pesticides?
  • A. Organophosphates
  • B. Acetaminophen
  • C. Ibuprofen
  • D. Sodium chloride
Q. Which chemical is commonly added to drinking water to prevent tooth decay?
  • A. Chlorine
  • B. Fluoride
  • C. Sodium
  • D. Calcium
Q. Which class of antibiotics is effective against MRSA?
  • A. Penicillins
  • B. Cephalosporins
  • C. Glycopeptides
  • D. Tetracyclines
Q. Which class of antibiotics is known for its ability to inhibit bacterial protein synthesis by binding to the 30S ribosomal subunit?
  • A. Macrolides
  • B. Aminoglycosides
  • C. Tetracyclines
  • D. Glycopeptides
Q. Which class of antibodies is primarily involved in allergic reactions?
  • A. IgG
  • B. IgA
  • C. IgM
  • D. IgE
Q. Which class of drugs is primarily used to treat hyperlipidemia?
  • A. Statins
  • B. Beta-blockers
  • C. ACE inhibitors
  • D. Antidepressants
Q. Which complex in the electron transport chain is responsible for pumping protons into the intermembrane space?
  • A. Complex I
  • B. Complex II
  • C. Complex III
  • D. Complex IV
Q. Which component in red wine is believed to have heart health benefits?
  • A. Tannins
  • B. Sugars
  • C. Acids
  • D. Esters
Q. Which component in wine is primarily responsible for its antioxidant properties?
  • A. Tannins
  • B. Sugars
  • C. Acids
  • D. Alcohol
Q. Which component is commonly added to plant tissue culture media to promote shoot regeneration?
  • A. Agar
  • B. Cytokinins
  • C. Sucrose
  • D. Gibberellins
Q. Which component is essential for a UV luminance spectroscopy setup?
  • A. Spectrophotometer
  • B. Fluorometer
  • C. Chromatograph
  • D. Microscope
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