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IMAT Cheat Sheet 2026

The 30 highest-yield IMAT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here β€” free, no sign-up.

60 questions
100 min time limit
22% to pass
  1. Which of the following species, which are all isoelectronic with argon, has the largest radius? β†’ S²⁻
  2. According to the BrΓΈnsted-Lowry theory of acids and bases, a base is defined as a substance that: β†’ accepts a proton (H⁺)
  3. What role does critical analysis play in IMAT thermodynamics and equilibrium? β†’ It enables evaluation of information quality and identification of logical reasoning
  4. Which of the following processes occurs during transcription but NOT during DNA replication? β†’ Incorporation of Uracil
  5. What is a key aspect of problem-solving in medical admissions tests? β†’ Analyzing patient data to reach a diagnosis
  6. If 2^x = 16, what is x? β†’ 4
  7. A bag contains 3 red, 4 blue, and 5 green balls. What is the probability of drawing a blue ball? β†’ 1/3
  8. The chemical digestion of proteins begins in which organ, and by which primary enzyme? β†’ Stomach, by pepsin
  9. In the sliding filament model of skeletal muscle contraction, what is the direct role of calcium ions (Ca2+)? β†’ To bind to troponin, causing tropomyosin to move and expose actin binding sites.
  10. How do enzymes catalyze metabolic reactions within a cell? β†’ By decreasing the activation energy required for the reaction to proceed.
  11. What role does critical thinking play in medical problem-solving? β†’ It promotes evidence-based decision-making and analysis
  12. Which of the following covalent bonds is the most polar? β†’ F-H
  13. What is the area of a circle with radius 5? β†’ 25Ο€
  14. A dataset has the values 4, 7, 7, 9, 10, 12. What is the median? β†’ 8
  15. Which approach best supports preparation for thermodynamics and equilibrium in IMAT? β†’ Systematic study of core concepts combined with practice problems
  16. Which of the following compounds contains both ionic and covalent bonds? β†’ NHβ‚„Cl
  17. In the lac operon of E. coli, what is the role of allolactose? β†’ It functions as an inducer, inactivating the repressor protein.
  18. An alpha-amino acid is a fundamental building block of proteins. Which two functional groups are always attached to the alpha-carbon of a standard amino acid? β†’ An amino group and a carboxyl group
  19. What is the importance of interdisciplinary knowledge in IMAT thermodynamics and equilibrium? β†’ It provides broader context and enhances problem-solving through multiple perspectives
  20. In the human respiratory system, the net diffusion of oxygen from the alveoli into the pulmonary capillaries is primarily driven by: β†’ The higher partial pressure of oxygen in the alveolar air compared to the capillary blood.
  21. A frameshift mutation is caused by which of the following events? β†’ The insertion or deletion of one or more nucleotides.
  22. How are thermodynamics and equilibrium standards typically updated in IMAT? β†’ Through periodic review by expert panels incorporating new research and best practices
  23. What is the primary purpose of thermodynamics and equilibrium in IMAT - International Medical Admissions Test? β†’ To assess competency in thermodynamics and equilibrium concepts and application
  24. Following the repolarization phase of a neuron's action potential, what is the primary function of the Na+/K+ pump? β†’ To restore the resting ion concentration gradients by moving Na+ out and K+ into the cell.
  25. What is the derivative of f(x) = xΒ³ + 4x? β†’ 3xΒ² + 4
  26. What is the sum of the interior angles of a regular hexagon? β†’ 720Β°
  27. Which of the following correctly sequences the path of a deoxygenated red blood cell returning from the systemic circulation to the lungs? β†’ Vena cava -> Right atrium -> Right ventricle -> Pulmonary artery
  28. Which of the following molecules is classified as aromatic? β†’ Benzene
  29. During which phase of meiosis do homologous chromosomes separate and move to opposite poles of the cell? β†’ Anaphase I
  30. Which of the following elements has the highest first ionisation energy? β†’ Neon (Ne)
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