Crush Step 1: The Ultimate USMLE Step 1 Review, 1e
Theodore X. O'Connell, Ryan A. Pedigo
Format: PDF / Kindle (mobi) / ePub
If you know all of the concepts in Crush Step 1: The Ultimate USMLE Step 1 Review, you should do much better than pass USMLE Step 1: You should Crush it! Led by Theodore X. O'Connell, MD, the author of the best-selling USMLE Step 2 Secrets and Brochert's Crush Step 2, this focused, high-yield review of core content and test prep strategies is the most effective USMLE Step 1 preparation available for this high-stakes exam. Written and reviewed by students, residents, and experts, Crush Step 1 is the resource you need to score high!
- Focus on essential concepts and master them efficiently with up-to-date, easy-to-read, high-yield coverage of all of the material tested on the exam.
- Ensure your comprehension with USMLE Step 1 practice questions following key sections as well as rapid-review high-yield boxes.
- Learn how to study for USMLE Step 1 with a more strategic approach through a unique focus on identifying and understanding question stems instead of memorizing buzz words.
- Spend more time studying and less time searching thanks to a well-written, easily accessible approach, with plenty of helpful lists and tables to highlight high-yield data.
- Depend on the relevance and accuracy of the content thanks to oversight by authors who scored within the 99th percentile on the USMLE Step 1 exam and Review Boards comprised of students, residents, and faculty.
(Figs. 6-2 and 6-3) is characterized by its fast and nonspecific response to infection as well as its lack of immune memory. It allows for an individual to have basic immunity before developing adaptive immunity (have a “baseline” immune system before learning to fight specific pathogens that are encountered). The innate immune system recognizes foreign antigens that are highly conserved over time and across pathogenic species. For example, lipopolysaccharide (LPS) is a component of the cell wall
heroin. The term opiates is frequently used as a blanket term to cover endogenous and synthetic opioid receptor agonists. Naloxone is very effective and can bring a patient back from a stupor in just several minutes. However, its duration of action is briefer than that of most opiates, so the medical team must be watchful. In intoxication, like the other depressants, drowsiness, respiratory depression, or coma can result. Patients may also develop seizures (recall that this is a symptom of
carcinomas most frequent primary cancers to metastasize to lungs. Often present with multiple lung noduleson chest imaging ACTH, adrenocorticotropic hormone; ADH, antidiuretic hormone; PTHrP, parathyroid hormone–related protein; SIADH, syndrome of inappropriate antidiuretic hormone. Figure 17-14 Adenocarcinoma in the right upper lobe (outlined in arrows). (From Herring W. Learning Radiology. 2nd ed. Philadelphia: Elsevier; 2011.) Superior vena cava (SVC) syndrome is an infrequent complication
Topically, terbinafine is a first-line agent for dermatophytes. It can also be used orally in the treatment of onychomycosis (fungal nail infection). Antifungals often work by inhibiting the formation of ergosterol, an important component of fungal membranes. Topical Steroids Inhibit local inflammatory reaction by interfering with the production of inflammatory cytokines by phospholipase A2. They are used in the treatment of lichen planus, atopic dermatitis, contact dermatitis, psoriasis,
Implantation Day 0: Fertilization occurs when a sperm enters the egg, usually in the ampulla of the fallopian tube. The acrosome reaction occurs when a sperm meets the egg and releases enzymes that penetrate the zona pellucida (the outer “shell” of the egg). Day 1:The single-cell zygote undergoes rapid mitotic cell divisions. Recall that the egg initially was arrested in metaphase II after ovulation, but completes this division only after fertilization (see Chapter 16). There is no time for