Blueprint MCAT Blog: MCAT Question of the Day

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MCAT BioChem Practice Question – Excitatory Neurotransmitter
Which of the following is most likely the excitatory neurotransmitter released into the synaptic cleft between the inner ear hair cells and their spiral ganglion? A. GABA B. Acetylcholine C. Serotonin D. Glutamate   READ MORE
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MCAT Psychology Practice Question – Bipolar Disorder
Upon admission to a hospital for a severe manic episode, a patient exhibits an excitable, cheerful demeanor as well as psychotic delusions of being a celebrity. These symptoms all disappear after six weeks of treatment. He experiences a normal mood for seven more months before suffering a severe depressive episode. This patient would most likely READ MORE
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MCAT Physics Practice Question – Radiation Absorption
Absorption of radiation corresponding to what portion of the electromagnetic spectrum is most likely to excite Aequorea fluorophore, a green fluorescent protein used in biological experiments? A. Ultraviolet B. Infrared C. Orange D. Microwave READ MORE
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MCAT Physics Practice Question – Fluid Dynamics
Which of the following statements are true? I. The blood velocity and pressure are higher in arteries than in capillaries. II. Blood vessels do NOT follow Bernoulli’s principle if viscosity of blood is taken into account. III. For an incompressible fluid undergoing laminar flow through a pipe with both narrow and wide sections, the fluid READ MORE
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MCAT BioChem Practice Question – Sleep Study
BTW, only 30% of students get this question right! Do you know the correct answer?  Study participants are asked to live in a dark room for several consecutive days. Assuming healthy participants with normally functioning immune systems, their brains would be expected to release less of which hormone? A. Melatonin B. ACTH C. Serotonin D. READ MORE
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MCAT Chemistry Practice Question – Amines
If hexanamide is treated with ethanol, what would be the expected products? A. Hexanamide and water B. Ethyl hexanoate and an amine C. Hexanoic acid and an amine D. No reaction   READ MORE
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MCAT Chem Practice Question – Ion to Atoms Ratio
A 1-L beaker is filled with 2 moles of liquid methanol and 0.25 moles of NaCl. The ratio of ions to atoms in this solution is: A. 0.5:2 B. 1:6 C. 1:25 D. 3:1   READ MORE
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MCAT Organic Chemistry Practice Question – IR Spectrum
While carbon dioxide exhibits four vibrational modes in space, its experimentally-obtained IR spectrum shows no more than two distinct peaks. This is partly because: A. the two oxygen nuclei exhibit nuclear spins that are equal in magnitude but opposite in direction. B. three of the vibrational modes are considered energetically degenerate. C. one of the READ MORE