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MCAT Physics Review: Position and Velocity Versus Time Breakdown
Jeffrey Abrams by Jeffrey Abrams on Feb 10, 2020 in MCAT, Question Breakdown
Position versus time or velocity versus time graphs are a core topic taught in just about all classical mechanics physics courses. In addition, it’s a topic likely to be seen on the MCAT.

Questions on position or velocity versus time graphs often trip students up. In this post, I've broken down a consistent approach you can take when tackling these problems so you can turn them into free points.

USMLE Step 1-Style Question Breakdown Webinar ~ Powered by TrueLearn

We have been running a USMLE-style question breakdown webinar series this summer, and were getting requests to bring back another installment this month. Our friends at TrueLearn rose to the occasion to provide us with USMLE Step 1-style questions from their SmartBank for our tutors to dissect in real time during the webinar.

Hosted by our exceptional USMLE tutors, Drs. Fred Bertino and Sana Majid, and TrueLearn's Director of Academic Success, Sherry Smith, this webinar focused on providing guidance and high-yield techniques for how to approach a brand-new set of USMLE Step 1-style questions and maximize your score. We covered tips on questions that require dissecting long vignettes, interpreting labs, selecting answer choices presented in a table, and more! We also answered attendees' questions during our live Q&A following the webinar, and that's all captured here:


If you'd like to utilize TrueLearn's SmartBank for your Step 1 studies, enter promo code MST50 at checkout for 50% off the purchase of any USMLE Step 1 SmartBank subscription at TrueLearn.com! (Click here to automatically apply this offer to your shopping cart.)

If you're ready to work with a tutor like Fred or Sana to maximize your studies, take out the guesswork, and get your best score, call us or email us at any time to be matched with your tutor! 212.327.0098 or HQ@medschooltutors.com.

Here's more information on the essential elements for succeeding on Step 1, and best practices for utilizing NBMEs in your prep. Lastly, here's one of our top posts breaking down what scoring a 260 on Step 1 really means.

USMLE Step 1 & Step 2 CK Question Breakdown: 2-in-1 Edition

As a treat today, we have a question that is quite pertinent for BOTH Step 1 and Step 2 CK. A question like this could certainly appear on either test. Take a stab at it and get your learn on.

USMLE Step 1 Question Breakdown (Cough. Cough.)

Back by popular demand - USMLE Step 1 Question Breakdown. A tricky question and a stepwise approach to get you not only to the right answer, but smarter along the way. Break it down now!

USMLE Step 1 Question Breakdown: 32 Year Old Woman with Altered Mental Status and Petechial Rash

Practice questions are an essential component of preparation for USMLE Step 1. However, when preparing for such an important test, it’s best to make sure you understand exactly why an answer is correct. A higher level of conceptual understanding will go a long way on the real exam! Here is a sample USMLE question with a breakdown of all the relevant information and answer choices:

USMLE Step 1 Question Breakdown: 34 Year Old Woman with Elevated Blood Pressure
Graham Boyd by Graham Boyd on Sep 27, 2017 in USMLE, Question Breakdown

A 34-year-old woman with no significant past medical history presents to clinic for a follow up visit after an elevated blood pressure at her last physical examination. In clinic today, her blood pressure is 160/100. Cardiac examination is unremarkable and all pulses are full and equal. There are no signs of peripheral edema. On laboratory evaluation, plasma renin activity is found to be low and serum creatinine levels are normal. The patient receives an abdominal CT, which reveals bilateral enlargement of the adrenal glands.

USMLE Question Breakdown: Structural Changes to the Heart

The following is a sample USMLE Step 1 question, with explanation: 

A 62-year-old man presented to the emergency room with a 45-minute history of severe chest pain. EKG shows ST elevations in leads II, III, and aVF. Shortly after being admitted to the hospital, the patient developed ventricular fibrillation and passed away despite resuscitation attempts. On autopsy, the heart was found to have an enlarged left atrium, an increase in left ventricular mass, and an increase in left ventricular wall thickness.

Practice MCAT Questions: Equilibrium Constant K vs. Rate Constant k

Many of my students tend to get tripped up on the difference between the rate constant k in kinetics and the equilibrium constant K. They're both big topics in the chemistry section of the MCAT, so it's important to have mastered the difference between the two.

As such, I've created a few practice MCAT problems for you here, and will walk you through the solutions for each. Let's do this.

USMLE Question Breakdown: A Young Woman with Fever and Oliguria
A 24-year old female with no past medical history presents to her primary care doctor complaining of a fever.

The fever started two days ago, though she was unable to take temperatures at home and has just felt “hot.” Review of systems is positive for fatigue, arthralgia, and decreased urine output in the last day or so.

She recently completed a course of trimethoprim-sulfamethoxazole for an uncomplicated urinary tract infection. Vital signs are temperature 101.3F, heart rate 104 bpm, blood pressure of 114/74, and respiratory rate of 18. Physical exam is significant for a diffuse, non-pruritic maculopapular rash on the torso, but is otherwise normal. Lab studies show the following:
Pathophysiology Breakdown: Understanding the Left Ventricular Pressure-Volume Curve
The below image is a commonly tested concept both in physiology courses and on the USMLE Step 1.

It may look like a simple diagram, but there is a lot of information that can be tested here. As such, students need a strong understanding of how to work through the baseline LV pressure-volume curve and how changes in preload, afterload, etc. can lead to changes in the curve.

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