What functional group is present in CH₃CH₂OH?
A) Ketone
B) Alcohol
C) Aldehyde
D) Carboxylic acid
B. Alcohol
Which type of memory holds information for only a few seconds?
A) Long-term memory
B) Sensory memory
C) Procedural memory
D) Semantic memory
B) Sensory memory
Which term describes the process through which people learn the norms and values of their society?
A) Assimilation
B) Socialization
C) Stratification
D) Urbanization
B) Socialization
According to Le Châtelier’s principle, what happens when more reactant is added to a system at equilibrium?
A) The equilibrium shifts toward the reactants
B) The equilibrium shifts toward the products
C) The reaction immediately stops
D) The equilibrium constant increases
B) The equilibrium shifts toward the products
Which item are you allowed to use for taking notes during the MCAT?
A) Your own notebook
B) Scratch paper brought from home
C) A testing-center-provided noteboard/booklet
D) Your phone's Notes app
C) A testing-center-provided noteboard/booklet
Hybridization: What is the hybridization of each carbon in CH₂=CH₂ (ethylene)?
A) sp
B) sp²
C) sp³
D) sp³d
B) sp²
Classical conditioning is most closely associated with which psychologist?
A) Sigmund Freud
B) Ivan Pavlov
C) Abraham Maslow
D) Jean Piaget
B) Ivan Pavlov
Which of the following is an example of a primary group?
A) A large corporation
B) A political party
C) A close group of friends
D) A university class
C) A close group of friends
What is the oxidation state of oxygen in H₂O?
A) +2
B) +1
C) −1
D) −2
D) −2
How many questions are in each of the three science/social science sections of the MCAT?
A) 53
B) 59
C) 60
D) 65
B) 59
Acidity: Which compound is most acidic?
A) CH₄
B) CH₃OH
C) CH₃COOH
D) NH₃
C) CH₃COOH
According to Maslow’s hierarchy of needs, which needs must generally be addressed before esteem needs?
A) Self-actualization needs
B) Cognitive needs
C) Physiological and safety needs
D) Achievement needs
C) Physiological and safety needs
A person is both a college student and an employee. These different social positions are examples of:
A) Roles
B) Statuses
C) Norms
D) Sanctions
B) Statuses
A wave has a frequency of 4 Hz and a wavelength of 3 m. What is its speed?
A) 0.75 m/s
B) 7 m/s
C) 12 m/s
D) 24 m/s
C) 12 m/s
What is the total possible MCAT score range?
A) 400–600
B) 472–528
C) 500–600
D) 118–132
B) 472–528
Nucleophile/electrophile: In the reaction below, which species acts as the nucleophile?
CH₃Br + OH⁻ → CH₃OH + Br⁻
A) CH₃Br
B) OH⁻
C) Br⁻
D) CH₃OH
B) OH⁻
A student begins studying more often because their parents give them $10 every time they earn an A. This is an example of:
A) Positive reinforcement
B) Negative reinforcement
C) Positive punishment
D) Negative punishment
A) Positive reinforcement
Which term refers to the unequal distribution of wealth, power, and resources among groups in society?
A) Social mobility
B) Socialization
C) Social stratification
D) Cultural diffusion
C) Social stratification
Which change would increase the resistance of a wire?
A) Decreasing its length
B) Increasing its cross-sectional area
C) Increasing its length
D) Decreasing its resistivity
C) Increasing its length
How many questions are in the CARS section?
A) 48
B) 50
C) 53
D) 59
C) 53
Reaction prediction: 2-bromobutane reacts with NaOH under conditions favoring an SN2 reaction. What is the major organic product?
A) 1-butanol
B) 2-butanol
C) 1-butene
D) 2-butene
B) 2-butanol
After doing poorly on an exam, a student says, “The professor made the test unfair,” rather than considering whether they studied enough. Which defense mechanism does this BEST demonstrate?
A) Sublimation
B) Projection
C) Rationalization
D) Regression
C) Rationalization
A physician behaves formally while speaking with a patient but casually while having dinner with friends. This difference in behavior BEST demonstrates:
A) Role conflict
B) Role strain
C) Different social roles
D) Social deviance
C) Different social roles
A reaction has ΔH = +50 kJ/mol and ΔS = +200 J/(mol·K). At approximately what temperature does the reaction become thermodynamically favorable?
A) Above 100 K
B) Above 250 K
C) Below 250 K
D) Below 500 K
B) Above 250 K
Which MCAT section comes immediately after the lunch break?
A) Chem/Phys
B) CARS
C) Bio/Biochem
D) Psych/Soc
C) Bio/Biochem