To prevent this from happening, Rho (D) is given. This will stimulate the mom’s immune system to produce antibodies to Rh+ cells. This causes the mom who is Rh- to be exposed to Rh+ blood cells. The reason Rho (D) is given during the third trimester is that there is slight mixing of fetal and maternal blood at around 28 weeks. This question is referring to Rhesus (Rh) factor incompatibility. Nicotinic receptors are located at the neuromuscular junction and when they are stimulated, they will cause muscle contraction.Ĥ. This is because acetylcholine works at the nicotinic receptors as well as muscarinic receptors. This table indicates that the response of the muscle increases in the presence of drug x and acetylcholine. This is due to decreased activity of UDP glucoronyl transferase whichģ. This patient has intermittent jaundice likely brought on by stressors (such as infection, dehydration, etc) and has an elevated indirect bilirubin because of it. This answer choice refers to Gilbert syndrome. Penicillin destroys the cell walls of organisms and allows larger drugs like aminoglycosides to enter the cell and execute their bactericidal effects.Ģ. This answer choice refers to aminoglycosides. These are the first 25 questions in Block 1 of the Free 120:ġ. To help you make the best of your time with the NBME Free 120, here are explanations for 25 questions. In terms of actual score, again, there is no direct correlation between your percentage on the NBME Free 120 and your step 1 three-digit score. That’s from a small sample size of about 25-30 students/friends. It does give you a percentage correct, which some people have tried to correlate to a Step 1 score, but there isn’t any real data about how predictive it is.Īnecdotally, I can say that if a student gets a 75% or higher on the NBME Free 120, they pass Step 1. The Free 120 does not generate a three-digit score. Less anxiety is always a good thing on test day. Knowing how these will look on the exam day will help lessen your anxiety, as you will not fidget around figuring out how to use these features. The interactive questions in the Free 120 include those where you listen with your stethoscope for a murmur or listen to breath sounds. Acclimate to Step 1 interactive questions. Trust me when I say you will need all your break time, as it is very important to break in between each block of 40 questions.ģ. Seeing the tutorial before your test date will allow you to skip it on the day of the exam, which will save you 15 minutes of break time. This includes the test-taking tutorial and interactive questions. This exam mimics the interface you will see on test day. Utilize the test tutorial in the Free 120 to save valuable break time on Step 1 test day. A correct answer is a point, so NBME is essentially giving you 3-5 free points with this Free 120.Ģ. Remember, on the Step 1, the graders (or computers who grades it) don’t care if you got lucky and picked the correct answer. One key reason you should take the Free 120 that close to your exam is that these questions are known to show up verbatim on Step 1. It is essentially a dry run of what you will do on test day and has no psychological impact on your prep, as it doesn’t give a three-digit score. This is a low-stress exam as there is no scaled score, and it mimics breaks, question style and length, and difficulty to a certain extent. Use the Free 120 as a test day simulator 4-5 days before your actual test date. Now that we know what the NBME Free 120 is, let’s talk about how to use it and why it’s helpful. The major drawback of this simulation exam is that it only gives you a percentage correct and not a scaled score. It is 3 blocks of 40 questions timed exactly like the USMLE Step 1, it gives you the exact same tutorial, and it allows you to check your answers (without explanations) once you’ve finished. The NBME free 120 is a set of 120 questions given by NBME that you can utilize within their web interface. The Free 120 simulates the exact format of the USMLE Step 1, question style and length, and user interface (i.e how the screen looks, how break time looks, etc). But before we get into why it’s extremely helpful in that last week, let’s discuss what it is. Congratulations! Are you wondering what should you do in that final week of studying? One resource I am a big fan of having my students use in the final week of Step 1 studying is the NBME Free 120 questions. So, it’s your final week of Step 1 studying.
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