MCAT Quiz

Example Questions From the Test

• 2In a spontaneous galvanic cell, what is the direction of electron flow through the external circuit?
  • From the cathode to the anode, where reduction occurs
  • From the anode to the cathode
  • From the electrolyte toward the cathode only
  • From the salt bridge to both electrodes
• 7Shortly after a carbohydrate-rich meal, which metabolic response is most likely in a healthy person?
  • Glucagon rises and stimulates hepatic glycogen breakdown.
  • Insulin rises and promotes glycogen synthesis.
  • Cortisol falls and immediately stops cellular respiration.
  • Epinephrine rises and promotes widespread lipolysis.
• 10Two resistors are connected in parallel. How does their equivalent resistance compare with the individual resistances?
  • It equals the sum of the two resistances.
  • It is less than either individual resistance.
  • It falls between the two individual resistances.
  • It equals the larger individual resistance.