Medical Science

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Q. Aeromonas hydrophila is most commonly associated with which type of infection?
  • A. Respiratory infections
  • B. Gastroenteritis
  • C. Skin and soft tissue infections
  • D. Urinary tract infections
Q. Astroviruses are primarily associated with which type of illness?
  • A. Respiratory infections
  • B. Gastroenteritis
  • C. Hepatitis
  • D. Meningitis
Q. At what stage does the embryo implant into the uterine wall?
  • A. Zygote
  • B. Morula
  • C. Blastocyst
  • D. Gastrula
Q. At what temperature does denaturation typically occur in PCR?
  • A. 50°C
  • B. 72°C
  • C. 95°C
  • D. 37°C
Q. Burkholderia mallei is the causative agent of which disease?
  • A. Melioidosis
  • B. Glanders
  • C. Tularemia
  • D. Brucellosis
Q. During DNA replication, which direction does the DNA polymerase synthesize the new strand?
  • A. 5' to 3'
  • B. 3' to 5'
  • C. Both directions
  • D. Randomly
Q. During DNA replication, which strand is synthesized continuously?
  • A. Lagging strand
  • B. Leading strand
  • C. Okazaki strand
  • D. Template strand
Q. During transcription, which strand of DNA serves as the template?
  • A. Coding strand
  • B. Non-coding strand
  • C. Both strands
  • D. Neither strand
Q. During which phase do cells prepare for mitosis?
  • A. G1 phase
  • B. S phase
  • C. G2 phase
  • D. M phase
Q. During which week of embryonic development does the heart begin to beat?
  • A. Week 3
  • B. Week 4
  • C. Week 5
  • D. Week 6
Q. How are monoclonal antibodies typically produced?
  • A. By recombinant DNA technology
  • B. By chemical synthesis
  • C. By fermentation
  • D. By natural extraction
Q. How do allosteric activators affect enzyme kinetics?
  • A. Increase Vmax
  • B. Decrease Km
  • C. Both A and B
  • D. No effect on Vmax or Km
Q. How do bacteriophages replicate?
  • A. Binary fission
  • B. Budding
  • C. Lytic and lysogenic cycles
  • D. Mitosis
Q. How do special proteins contribute to the nutritional quality of crops?
  • A. By increasing fiber content
  • B. By enhancing vitamin synthesis
  • C. By reducing calorie count
  • D. By improving taste
Q. How do synthetic seeds contribute to food security?
  • A. By reducing crop diversity
  • B. By enabling rapid propagation of high-yield varieties
  • C. By increasing reliance on chemical inputs
  • D. By promoting monoculture farming
Q. How do the kidneys respond to low blood pressure?
  • A. Increase urine output
  • B. Release renin
  • C. Decrease sodium reabsorption
  • D. Increase filtration rate
Q. How does phosphorylation affect translation?
  • A. It always enhances translation
  • B. It can inhibit or enhance translation depending on the context
  • C. It has no effect on translation
  • D. It only affects transcription
Q. How does the body respond to increased carbon dioxide levels in the blood?
  • A. Decreased heart rate
  • B. Increased respiratory rate
  • C. Decreased blood pressure
  • D. Increased oxygen consumption
Q. How does the body respond to low blood pressure in terms of renal function?
  • A. Increases urine output
  • B. Decreases renin secretion
  • C. Increases renin secretion
  • D. Inhibits aldosterone release
Q. How does the body respond to low blood volume?
  • A. Increased urine output
  • B. Release of renin
  • C. Decreased thirst
  • D. Increased glomerular filtration rate
Q. How does UV luminance spectroscopy help in assessing skin health?
  • A. By measuring hydration levels
  • B. By detecting melanin concentration
  • C. By analyzing UV-induced DNA damage
  • D. By evaluating blood flow
Q. How long can opened canned foods be safely stored in the refrigerator?
  • A. 1-2 days
  • B. 3-5 days
  • C. 1 week
  • D. 2 weeks
Q. How many pairs of chromosomes do most domestic animals have?
  • A. 10
  • B. 23
  • C. 39
  • D. 46
Q. In a simple reflex arc, which component detects the stimulus?
  • A. Effector
  • B. Interneuron
  • C. Sensory receptor
  • D. Motor neuron
Q. In a simple reflex arc, which neuron type directly stimulates a muscle to contract?
  • A. Sensory neuron
  • B. Interneuron
  • C. Motor neuron
  • D. Efferent neuron
Q. In anaerobic conditions, pyruvate is converted to which substance?
  • A. Acetyl-CoA
  • B. Ethanol
  • C. Lactate
  • D. Oxaloacetate
Q. In biological systems, what does Gibbs free energy indicate?
  • A. The total energy of a system
  • B. The spontaneity of a process
  • C. The temperature of the system
  • D. The pressure exerted by gases
Q. In chronic inflammation, which cell type is predominantly found in the tissue?
  • A. Neutrophils
  • B. Macrophages
  • C. Mast cells
  • D. Basophils
Q. In fermentation kinetics, what does the term 'lag phase' refer to?
  • A. Rapid growth phase
  • B. Adaptation period
  • C. Stationary phase
  • D. Decline phase
Q. In FTIR spectroscopy, what is the purpose of the interferometer?
  • A. To amplify signals
  • B. To separate wavelengths
  • C. To create an interference pattern
  • D. To cool samples
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