Medical Science

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Q. In gas chromatography, what is the role of the carrier gas?
  • A. To dissolve the sample
  • B. To provide a medium for separation
  • C. To react with the sample
  • D. To cool the system
Q. In immunohistochemistry, what is the role of the primary antibody?
  • A. To bind to the target antigen
  • B. To amplify the signal
  • C. To visualize the tissue
  • D. To fix the tissue sample
Q. In mass spectrometry, what is the purpose of the ionization process?
  • A. To separate molecules by size
  • B. To convert molecules into ions
  • C. To measure absorbance
  • D. To enhance fluorescence
Q. In NMR spectroscopy, what does a peak represent?
  • A. Presence of impurities
  • B. Concentration of the sample
  • C. Type of solvent used
  • D. Number of equivalent nuclei
Q. In the absence of lactose, what is the state of the lac operon?
  • A. Fully active
  • B. Partially active
  • C. Inactive
  • D. Overactive
Q. In thin-layer chromatography (TLC), what is the purpose of the solvent front?
  • A. To carry the sample up the plate
  • B. To act as a stationary phase
  • C. To visualize the compounds
  • D. To cool the plate
Q. In which application are immobilized enzymes commonly used?
  • A. Biosensors
  • B. Drug synthesis
  • C. Food processing
  • D. All of the above
Q. In which condition is there an accumulation of fluid in the alveoli?
  • A. Chronic bronchitis
  • B. Pulmonary edema
  • C. Cystic fibrosis
  • D. Tuberculosis
Q. In which condition is turbulent flow most likely to occur?
  • A. High viscosity
  • B. Low velocity
  • C. High flow rate
  • D. Small diameter
Q. In which scenario is agitation most critical?
  • A. During a routine check-up
  • B. In emergency resuscitation
  • C. For chronic pain management
  • D. In physical therapy
Q. In which type of hypersensitivity reaction is the immune response primarily mediated by IgE antibodies?
  • A. Type I
  • B. Type II
  • C. Type III
  • D. Type IV
Q. The abdominal aorta bifurcates into which two arteries?
  • A. Femoral arteries
  • B. Iliac arteries
  • C. Renal arteries
  • D. Celiac trunk
Q. The frontal lobe is primarily associated with which of the following functions?
  • A. Vision
  • B. Hearing
  • C. Decision making
  • D. Balance
Q. The primary motor cortex is located in which lobe of the brain?
  • A. Frontal lobe
  • B. Parietal lobe
  • C. Temporal lobe
  • D. Occipital lobe
Q. What are Okazaki fragments?
  • A. Short DNA segments on the leading strand
  • B. Short DNA segments on the lagging strand
  • C. RNA primers
  • D. Mutated DNA segments
Q. What are synthetic seeds primarily used for?
  • A. To enhance soil fertility
  • B. To propagate plants without seeds
  • C. To increase crop yield
  • D. To improve pest resistance
Q. What are the three main steps of PCR?
  • A. Denaturation, annealing, extension
  • B. Denaturation, transcription, translation
  • C. Ligation, denaturation, amplification
  • D. Amplification, sequencing, visualization
Q. What are the three main steps of the PCR cycle?
  • A. Denaturation, annealing, extension
  • B. Denaturation, transcription, translation
  • C. Annealing, elongation, termination
  • D. Denaturation, replication, repair
Q. What autoimmune condition is characterized by muscle weakness due to the immune system attacking acetylcholine receptors?
  • A. Myasthenia Gravis
  • B. Guillain-Barré Syndrome
  • C. Multiple Sclerosis
  • D. Rheumatoid Arthritis
Q. What autoimmune disease is associated with the destruction of the thyroid gland, leading to hypothyroidism?
  • A. Graves' Disease
  • B. Hashimoto's Thyroiditis
  • C. Celiac Disease
  • D. Sjögren's Syndrome
Q. What autoimmune disease is characterized by the production of antibodies against the body's own tissues, particularly affecting the skin and joints?
  • A. Rheumatoid Arthritis
  • B. Systemic Lupus Erythematosus
  • C. Multiple Sclerosis
  • D. Type 1 Diabetes
Q. What compound in red wine is thought to have cardioprotective effects?
  • A. Resveratrol
  • B. Caffeine
  • C. Quercetin
  • D. Flavonoids
Q. What compound in tomatoes is linked to reduced cancer risk?
  • A. Lycopene
  • B. Beta-carotene
  • C. Vitamin C
  • D. Fiber
Q. What condition is characterized by the immune system attacking the myelin sheath of nerve fibers?
  • A. Myasthenia Gravis
  • B. Multiple Sclerosis
  • C. Crohn's Disease
  • D. Psoriasis
Q. What condition results from a deficiency in the enzyme ornithine transcarbamylase?
  • A. Phenylketonuria
  • B. Urea cycle disorder
  • C. Maple syrup urine disease
  • D. Homocystinuria
Q. What does a complete blood count (CBC) primarily assess?
  • A. Liver function
  • B. Kidney function
  • C. Blood cell levels
  • D. Electrolyte balance
Q. What does a high level of alanine aminotransferase (ALT) indicate?
  • A. Kidney damage
  • B. Liver damage
  • C. Heart disease
  • D. Diabetes
Q. What does a high level of potassium in the blood indicate?
  • A. Hypokalemia
  • B. Hyperkalemia
  • C. Hyponatremia
  • D. Hypernatremia
Q. What does a lipid panel measure?
  • A. Blood glucose levels
  • B. Liver enzymes
  • C. Cholesterol and triglycerides
  • D. Electrolyte levels
Q. What does a low level of albumin in the blood suggest?
  • A. Dehydration
  • B. Liver disease
  • C. Kidney disease
  • D. Heart failure
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