- Study guides, Class notes & Summaries

Penicillin G (IV and IM) Penicillin M (oral) - Answer*MOA:* *β-lactam*: a structural analog of D-ala-D-ala (a normal component of cell walls) which binds and inactivates bacterial transpeptidases (penicillin-binding protein, PBPs) to block peptidoglycan cross linking *Clinical use:* Bactericidal for Gram-⊕ cocci/rods, Gram-⊖ cocci (Neisseria), and spirochetes Mostly used for Gram-⊕ organisms (S. pneumoniae, S. pyogenes, Actinomyces). Also used for Gram-⊖ cocci (mainly N. menin...

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123 pages

Written in 2023/2024

Grade A

TestSolver9

Vitamin A (retinol) - Function - AnswerAntioxidant; constituent of visual pigments (retinal); essential for normal differentiation of epithelial cells into specialized tissue (pancreatic cells, mucus-secreting cells); prevents squamous metaplasia. Used to treat measles and acute promyelocytic leukemia (APL). Vitamin A (retinol) - Deficiency - AnswerNight blindness (nyctalopia); dry, scaly skin (xerosis cutis); corneal degeneration (keratomalacia); Bitot spots on conjunctiva; immunosuppression...

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6 pages

Written in 2023/2024

Grade A

TestSolver9

First Aid USMLE Step 1: GI Study Guide Questions with Correct Answers 2026 For the following terms, define their anatomic boundaries: Foregut Midgut Hindgut What significant development events occurs during the 6th and 10th week of gut development? - Correct Answer *Foregut:* - pharynx to the duodenum *Midgut:* - duodenum to the proximal 2/3 of the transverse coon *Hindgut:* - distal 1/3 of transverse colon to anal canal above the pectinate line *What significant develop...

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95 pages

Written in 2025/2026

Grade A+

karugahjohn993

First Aid Usmle Step 2 Cs - Mini Cases Exam Questions And Answers. Verified 2026.

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119 pages

Written in 2025/2026

Grade A+

TheStar

BUNDLE FOR USMLE STEP 1-3 EXAMS | ALL Questions with Correct Answers | Verified Solutions

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10 items

Darkberry

BUNDLE FOR USMLE STEP 1 EXAMS | ALL Questions with Correct Answers | Verified Solutions

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7 items

Darkberry

BUNDLE FOR First Aid USMLE Step 1 EXAMS ALL Questions with 100% Correct Answers | Verified SOLUTIONS

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3 items

Darkberry

First Aid USMLE STEP 1: Microbiology Exam | Questions with Correct Answers | 100% Pass

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115 pages

Written in 2024/2025

Grade A+

Darkberry

First Aid USMLE Step 1: Pharmacology (Complete) Exam | Questions with Correct Answers | 100% Pass

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140 pages

Written in 2024/2025

Grade A+

Darkberry

First Aid-USMLE STEP 1 High Yield Questions and Verified Answers First Aid-USMLE STEP 1 High Yield Questions and Verified Answers

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133 pages

Written in 2024/2025

Grade A+

StudyRM

Cushing syndrome - Correct Answer -Iatrogenic (from corticosteroid therapy) -Adrenocortical adenoma (secretes excess cortisol) -ACTH-secreting pituitary adenoma (Cushing disease) -Paraneoplastic (due to ACTH secretion by tumors) Cyanosis (early; less common) -Correct Answer Tetralogy of Fallot, transposition of great vessels, truncus arteriosus Cyanosis (late; more common) -Correct Answer VSD, ASD, PDA Death in CML -Correct Answer Blast crisisDeath in SLE -Correct Answer Lupu...

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228 pages

Written in 2024/2025

Grade A+

jackline98

A 30 year old high school guidance counselor presents to her dermatologist for irritation of her hands. She states that she washed her hands under hot water about 20 times a day and uses a variety of alcohol-based hand sanitizer products to avoid picking up germs. What is the best treatment for her disorder? - Correct Answer SSRIs and CBT. A 15 year old boy presents to the pediatrician. He states that he has been exercising more and eating less so that he can make the school wrestling ...

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67 pages

Written in 2024/2025

Grade A+

jackline98

First Aid USMLE Step 1 Questions and Correct Detailed Answers (Verified Answers) ||Already Graded A ||Newest Version

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13 items

ScholarsAscend

FISDAP Airway Exam Questions and Correct Detailed Answers (Verified Answers) ||Already Graded A ||Newest Version

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12 items

ScholarsAscend

Pharmacology Final Exam2025- 2026 Exam Questions And Correct Detailed Answers (Verified Answers) |||Already Graded A |||Newest Version

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26 items

ScholarsAscend

Chemistry Questions and Correct Detailed Answers (Verified Answers) ||Already Graded A+||Newest Version

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9 items

ScholarsAscend

First Aid USMLE Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A

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12 items

ScholarsAscend

First Aid USMLE Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+

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7 items

ScholarsAscend

Describe the basic embryological process behind development of the neural tube Ans: - the* notochord* induces overlying ectoderm to differentiate into neuroectoderm and form the neural plate (day 18) - the neural plate invaginates to form the *neural tube* and at the same time, cells demarginated from the invaginating tube to form the *neural crest cells* What are the basal and alar plates? What do they give rise to? Ans: The alar and basal plates are basically the dorsal and ventra...

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114 pages

Written in 2024/2025

Grade A+

ScholarsAscend

Truncus arteriosus gives rise to __________. Ans: Ascending aorta and pulmonary trunk Bulbus cordis gives rise to __________. Ans: Smooth parts (outflow tract) of left and right ventricles Endocardial cushion gives rise to? Ans: Atrial septum ,membraneous interventricular septum; AV & semilunar valves Primitive atrium gives rise to __________. Ans: Trabeculated (muscular) portions of the left and right atria Primitive ventricle gives rise to __________. Ans: Trabeculated (muscular) po...

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92 pages

Written in 2024/2025

Grade A+

ScholarsAscend

Penicillin G (IV and IM) Penicillin M (oral) Ans: *MOA:* *β-lactam*: a structural analog of D-ala-D-ala (a normal component of cell walls) which binds and inactivates bacterial transpeptidases (penicillinbinding protein, PBPs) to block peptidoglycan cross linking *Clinical use:* Bactericidal for Gram-⊕ cocci/rods, Gram-⊖ cocci (Neisseria), and spirochetes Mostly used for Gram-⊕ organisms (S. pneumoniae, S. pyogenes, Actinomyces). Also used for Gram-⊖ cocci (mainly N. menin...

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168 pages

Written in 2024/2025

Grade A+

ScholarsAscend

Abdominal pain, ascites, and hepatomegaly Ans: Budd-Chiari syndrome (posthepatic venous thrombosis) -Absence of JVD Abdominal pain, diarrhea, leukocytosis, recent antibiotic use Ans: Clostridium difficile infection Achilles tendon xanthoma Ans: Familial hypercholesterolemia (decreased LDL receptor signaling) Adrenal hemorrhage, hypotension, DIC Ans: Waterhouse-Friderichsen syndrome (menengococcemia) Anaphylaxis following blood transfusion Ans: IgA deficiency Anterior "drawer sign...

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120 pages

Written in 2024/2025

Grade A+

ScholarsAscend