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FREE MCAT® PRACTICE QUESTIONS
Don’t have time for a full practice test, but want to challenge yourself? You’ve come to the right place. With Kaplan’s 20-minute workout, you can try a few sample questions to see where you stand.
WHAT TO EXPECT FROM YOUR MCAT PRACTICE QUESTIONS
MCAT questions cover all kinds of topics from your academic studies. From chemistry and bio to physics and even psych/soc, each topic tests different skills that are crucial for med school admissions—and med school success.
After you get a good sense of your strengths and weaknesses from MCAT practice questions—or a full-length MCAT practice test—you can concentrate on developing the skills you need to succeed on Test Day.
MCAT PRACTICE QUESTIONS
MCAT Practice Question #1
Which is not a characteristic of proteins?
- A. Can self-replicate
- B. Can act as a hormone
- C. Acts in cell membrane trafficking
- D. Can bind foreign materials
MCAT Practice Question #2
A drug is used that prevents the conversion of angiotensin I to angiotensin II. What is a likely effect of this drug?
- A. Increased sodium reabsorption
- B. Increased potassium reabsorption
- C. Increased blood pressure
- D. Increased blood pH
MCAT Practice Question #3
Amides are common in nature and in industry; amide linkages link amino acids in polypeptides, and many pharmaceuticals are amides. Which of the following is an amide?
MCAT Practice Question #4
Which of the following is/are true with regard to neurulation?
I. The neural tube differentiates from endoderm.
II. The neural tube becomes the peripheral nervous system.
III. Neural crest cells migrate from their original site.
- A. I only
- B. III only
- C. II and III only
- D. I, II, and III
MCAT Practice Question #5
This process (shown in the image below) is completed...
- A. in the cytoplasm.
- B. in the area of the cell membrane.
- C. in the mitochondria.
- D. in the area around the ribosomes.
MCAT Practice Question #6
Biochemical pathways often involve multiple successive chemical reactions. Given the below (image) series of reactions leading to the formation of products D and E, which is the rate-determining step?
- A. I
- B. II
- C. III
- D. I and II
MCAT Practice Question #7
What is the response of the immune system to downregulation of MHC molecules on somatic cells?
- A. B-cells are activated and antibodies are released.
- B. T-cells are activated, resulting in a cytotoxic response.
- C. Natural killer cells induce apoptosis of affected cells.
- D. Macrophages engulf the pathogen and display its antigens.
MCAT Practice Question #8
A person suffers from food poisoning after eating a spoiled lemon, and later finds that the smell of limes and other citrus fruits make her nauseous. This is an example of:
- A. acquisition.
- B. generalization.
- C. discrimination.
- D. negative reinforcement.
MCAT Practice Question #9
How many different types of gametes would be produced by an organism of genotype AabbCcDdEE, if all of the genes assort independently?
- A. 6
- B. 8
- C. 10
- D. 16
MCAT Practice Question #10
A woman comes to the doctor with a two-week history of complete paralysis of her left arm. She has had no injury to the extremity, and full neurological workup fails to demonstrate any underlying cause. She seems surprisingly unconcerned about the paralysis, and seems more worried about an argument she had one month ago in which she hit her daughter. Based on this information, the woman’s most likely diagnosis is:
- A. conversion disorder.
- B. generalized anxiety disorder.
- C. illness anxiety disorder.
- D. histrionic personality disorder.
MCAT Practice Question #11
Structural isomers can have drastically different roles in the body. Furthermore, only one of multiple optical isomers may be made by the body or be useful as a therapeutic agent. How many structural isomers of C3H6Br2 are capable of exhibiting optical activity?
- A. 0
- B. 1
- C. 2
- D. 3
MCAT Practice Question #12
A 6 ft man lifts a 100-lb weight from the floor to a height 1 ft above his head.
How much work is done in lifting the weight?
- A. 0 foot-pounds
- B. 6 foot-pounds
- C. 600 foot-pounds
- D. 700 foot-pounds
MCAT Practice Question #13
Which statement about cyclic AMP (cAMP) is NOT true?
- A. cAMP is formed from ATP.
- B. The enzyme that catalyzes the formation of cAMP is adenylate cyclase.
- C. The enzyme that catalyzes cAMP formation is generally located in the cytoplasm.
- D. cAMP is regarded as a second messenger, since it can trigger a cascade of intracellular reactions after a hormone binds to the cell membrane.
MCAT Practice Question #14
A patient who resides in the United States says, “I love you,” and hugs his doctor after every routine visit. This behavior violates:
- A. personal beliefs.
- B. patient autonomy.
- C. social values.
- D. social norms.
MCAT Practice Question #15
The potential danger involved with ingesting certain compounds is associated with their solubility in the body's aqueous environment. Which of the following would be most soluble in water?
MCAT Practice Question #16
Which of the following best describes the populations targeted by Medicare and Medicaid, respectively?
- A. Medicare: mostly patients without employer-guaranteed health care; Medicaid: mostly patients who have recently immigrated
- B. Medicare: mostly patients who have recently immigrated; Medicaid: mostly patients without employer-guaranteed healthcare
- C. Medicare: mostly patients in older age groups; Medicaid: mostly patients with low socioeconomic status
- D. Medicare: mostly patients with low socioeconomic status; Medicaid: mostly patients in older age groups
Complete the quiz at the top of the page to receive your score and see the correct answers to all 16 of the free MCAT Practice Questions above. This will help you target your weaknesses and inform your MCAT prep strategy moving forward.
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