Medical Science

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Q. What is the average alcohol by volume (ABV) percentage in most beers?
  • A. 2-4%
  • B. 4-6%
  • C. 6-8%
  • D. 8-10%
Q. What is the basic building block of DNA?
  • A. Amino acid
  • B. Nucleotide
  • C. Fatty acid
  • D. Monosaccharide
Q. What is the basic structure of an amino acid?
  • A. A central carbon atom, an amino group, a carboxyl group, and a side chain
  • B. A central nitrogen atom, a carboxyl group, and a side chain
  • C. A central carbon atom, two carboxyl groups, and a side chain
  • D. A central carbon atom, an amino group, and a hydroxyl group
Q. What is the basic unit of DNA?
  • A. Nucleotide
  • B. Amino acid
  • C. Monosaccharide
  • D. Fatty acid
Q. What is the basic unit of the genetic code?
  • A. Codon
  • B. Anticodon
  • C. Gene
  • D. Chromosome
Q. What is the benefit of using special proteins in biofortification?
  • A. Increased yield
  • B. Enhanced flavor
  • C. Improved disease resistance
  • D. Higher nutrient content
Q. What is the best practice for storing opened canned foods?
  • A. Leave in the can at room temperature
  • B. Transfer to a glass or plastic container
  • C. Re-seal the can with tape
  • D. Store in the original can in the fridge
Q. What is the best way to prevent foodborne illness?
  • A. Washing hands frequently
  • B. Cooking food to proper temperatures
  • C. Storing food correctly
  • D. All of the above
Q. What is the characteristic feature of Clostridium species in laboratory culture?
  • A. Aerobic growth
  • B. Facultative anaerobic growth
  • C. Strict anaerobic growth
  • D. Microaerophilic growth
Q. What is the characteristic shape of spirilla bacteria?
  • A. Spherical
  • B. Rod-shaped
  • C. Spiral
  • D. Coccus
Q. What is the complementary base pair for adenine in DNA?
  • A. Thymine
  • B. Cytosine
  • C. Guanine
  • D. Uracil
Q. What is the consequence of excessive protein intake on renal function?
  • A. Decreased glomerular filtration rate
  • B. Increased urea production
  • C. Decreased urine output
  • D. Increased potassium retention
Q. What is the direction of DNA strand synthesis during replication?
  • A. 5' to 3'
  • B. 3' to 5'
  • C. Both directions
  • D. Random direction
Q. What is the effect of a competitive inhibitor on enzyme activity?
  • A. Increases reaction rate
  • B. Decreases reaction rate
  • C. No effect on reaction rate
  • D. Changes the enzyme's structure
Q. What is the effect of agitation on blood samples during laboratory testing?
  • A. It has no effect
  • B. It can cause hemolysis
  • C. It improves sample quality
  • D. It decreases sample volume
Q. What is the effect of alcohol on the metabolism of acetaminophen?
  • A. Increases its metabolism to non-toxic metabolites
  • B. Decreases its metabolism, increasing toxicity
  • C. Increases its metabolism to toxic metabolites
  • D. Has no effect on its metabolism
Q. What is the effect of aldosterone on renal function?
  • A. Increases sodium reabsorption
  • B. Decreases potassium reabsorption
  • C. Increases water excretion
  • D. Decreases blood pressure
Q. What is the effect of allosteric inhibition on enzyme activity?
  • A. Increases substrate affinity
  • B. Decreases enzyme activity
  • C. Increases product formation
  • D. Has no effect on enzyme structure
Q. What is the effect of glucagon on blood glucose levels?
  • A. Increases blood glucose
  • B. Decreases blood glucose
  • C. Has no effect
  • D. Regulates blood pressure
Q. What is the effect of gravity on fluid flow in the human body?
  • A. Increases flow in all positions
  • B. Decreases flow in all positions
  • C. Varies with body position
  • D. Has no effect
Q. What is the effect of heating acidic canned foods?
  • A. Increases shelf life
  • B. Decreases nutrient absorption
  • C. May cause chemical leaching from the can
  • D. Enhances flavor
Q. What is the effect of high glucose levels on the lac operon?
  • A. Increased transcription
  • B. Decreased transcription
  • C. No effect
  • D. Inhibition of repressor
Q. What is the effect of hyperventilation on blood pH?
  • A. Increases pH (alkalosis)
  • B. Decreases pH (acidosis)
  • C. No effect on pH
  • D. Causes respiratory failure
Q. What is the effect of increased blood osmolarity on ADH secretion?
  • A. Increases ADH secretion
  • B. Decreases ADH secretion
  • C. No effect on ADH secretion
  • D. Inhibits ADH action
Q. What is the effect of increased calcium ion concentration in the presynaptic terminal?
  • A. Inhibition of neurotransmitter release
  • B. Promotion of neurotransmitter release
  • C. No effect on neurotransmitter release
  • D. Degradation of neurotransmitters
Q. What is the effect of increasing substrate concentration on fermentation rate?
  • A. Increases indefinitely
  • B. Decreases
  • C. Increases to a point then levels off
  • D. Has no effect
Q. What is the effect of increasing temperature on enzyme activity up to a certain point?
  • A. Decreases activity
  • B. Increases activity
  • C. No effect
  • D. Denatures the enzyme
Q. What is the effect of increasing the voltage during gel electrophoresis?
  • A. Increases the resolution of bands
  • B. Decreases the migration time
  • C. Increases the size of the gel
  • D. Decreases the temperature of the gel
Q. What is the effect of moderate wine consumption on heart health?
  • A. Increases risk
  • B. No effect
  • C. Decreases risk
  • D. Only harmful for women
Q. What is the effect of oxytocin during childbirth?
  • A. Inhibits uterine contractions
  • B. Stimulates uterine contractions
  • C. Promotes milk production
  • D. Decreases blood pressure
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