Medium MCAT Practice Questions

213 free medium-difficulty MCAT questions, drawn live from KomFi's calibrated bank. The exam backbone: the difficulty band where most scoring happens.

1. A patient is admitted to the emergency department with a sev… — How does this patient's O_2 saturation at a ti
2. Which observation correctly explains the different O_2 binding behaviors?
3. A sprinter finishes a 400-meter dash and has an accumulation… — Which statement best describes the Bohr effect
4. Which of the following changes would result in a decrease in the P_50 value of hemoglobin?
5. What is the expected position of their oxygen-hemoglobin dissociation curve relative to the standard?
6. In the lung alveoli, the P_CO_2 is relatively low and the pH… — How do these conditions facilitate the functio
7. Which equation correctly illustrates the chemical basis for the 'acid' component of this shift?
8. During a political protest, a group of generally peaceful individuals begins to vandalize property while weari
9. According to Henry's Law, what happens to the nitrogen in their blood compared to at the surface (1 atm total
10. A pedigree analysis of a family with a rare metabolic disord… — If these parents have another child, what is t
11. Which of the following describes the immediate effect on the resting membrane potential of their neurons?
12. A patient with severe dehydration is likely to exhibit which of the following physiological responses to maint
13. Which effect is most likely to be diminished compared to a group that recalls the words immediately?
14. If the alpha level is set at 0.05, what is the correct statistical conclusion?
15. A researcher observes that physicians from low-income backgr… — Which sociological paradigm best explains this
16. A patient cannot afford the basic necessities of life, such as clean water, sufficient food, and safe shelter
17. From a functionalist perspective, what is the primary role of social institutions like the education and healt
18. An attorney decides to switch careers and becomes a high school teacher. While both professions are highly res
19. Which sociological paradigm would be most interested in how this process expands the power and authority of th
20. A 4-year-old child insists that a tall, thin glass contains… — Which cognitive limitation best explains this o
21. A 2-year-old child insists on feeding themselves and picking… — Which psychosocial crisis does this reflect?
22. A person argues that stealing a life-saving medication is mo… — Which level of moral reasoning does this refle
23. A 3-year-old child claims that their toy car is 'tired' and needs to 'sleep' in the toy box. This attribution
24. A caregiver is consistently late in responding to an infant'… — Which foundational crisis might this negativel
25. If their attempts at being helpful are met with constant criticism or dismissal, which crisis may be resolved
26. A scientist is able to design a complex experiment where the… — This systematic approach is the signature of w
27. If the heart rate remains constant, what must happen to the mean arterial pressure (MAP) according to the rela
28. During heavy exercise, a cyclist's heart rate increases to 1… — How does this change the duration of the cardi
29. If the area of the loop represents 'stroke work,' which of the following changes would most significantly incr
30. Which cellular change occurs in the collecting duct cells to restore homeostasis?

Sign up free — drill medium MCAT questions with full explanations →