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USMLE Step 3 High Yield Facts 2 Latest Update + Questions and 100% Verified Correct Answers Actual Exam Guaranteed A+
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USMLE Step 3 High Yield Facts 2 Latest Update + Questions and 100% Verified Correct Answers Actual Exam Guaranteed A+

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  • August 14, 2024
  • 230
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • usmle step 3 high yield facts 2 latest update 2024

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USMLE Step 3 High Yield Facts 2 Latest Update
2024-2025 800+ Questions and 100% Verified
Correct Answers Actual Exam Guaranteed A+
- CORRECT ANSWER: D


- CORRECT ANSWER: Recognize *homonymous* hemianopia lesion


- CORRECT ANSWER: Recognize CMV


- CORRECT ANSWER: Recognize CT of Bronchi


- CORRECT ANSWER: Recognize epitheloid macrophages & *multinucleated giant
cells*
= predominant cells found in granulomas


concomitant macrophage induces T helper cells to differentiate into TH1 --> produce
*interferon-gamma* --> activates macrophages = killing mycobacteria ability


- CORRECT ANSWER: Recognize mesoderm cross-section


- absence of any aortic valve pathology = pressure in aorta similar to LV pressure during
systole


Aortic stenosis
- abnormal pressure gradient between left ventricular & aortic pressure tracings during
systole
- intensity directly related to magnitude of left ventricle to aorta pressure gradient
= systolic ejection-type, crescendo-decrescendo murmur

,- starts after first heart sound & typically ends before A2 component of 2nd heart sound
- CORRECT ANSWER: A 73-year-old man is evaluated for exertional dyspnea. His
exercise tolerance has decreased over the last year, & he can barely walk 2-3 blocks
without stopping. The patient also reports occasional episodes of lightheadedness &
palpitations. He has had no chest pain or syncope. He was diagnosed with HT in the
past but does not taken any meds. Physical exam reveals a cardiac murmur. The
patient is referred to a cardiologist for further evaluation. Cardiac catheterization is
performed, & the findings are show in the image. What points most likely corresponds to
the peak murmur intensity in this patient?


- benign, tan or brown epidermal tumor
- middle-aged or elderly ind.s
- flat macules - wart-like lesions
- greasy surface & well-demarcated border
- stuck-on appearance
- rapid onset = Leser-Trelat sign = undiagnosed internal malignancy - CORRECT
ANSWER: Recognize Seborrheic keratosis


- consolidation involving the right middle lobe (acute lobar pneumonia) can obscure this
- right middle lobe = immediately adjacent to right border of heart
- on posteroanterior (PA) chest x-ray projections, right atrium = most of right side of
cardiac silhouette - CORRECT ANSWER: Recognize *right atrium* on chest x-ray


- decreased
- decreased
- unchanged - CORRECT ANSWER: Constriction of afferent arterioles...
- GFR =
- RPF =
- FF =


- decreased Aldosterone
- increased Renin

,- increased Bradykinin


- ACEI blocks synthesis of AII & Aldosterone
- AI & renin increase because they are both before the block
- bradykinin increase because ACE is inolved in kinase system --> cough, angioedema -
CORRECT ANSWER: An asymptomatic 42-year-old man with essential hypertension is
started on an angiotensin-converting enzyme inhibitor. What shows the most likely
effect of treatment on circulating levels of aldosterone, renin, & bradykinin?


- Aldosterone
- Renin
- Bradykinin


- decreased atmosphere oxygen (PO2) --> decreased PaO2 --> increased ventilation --
> decreased PaCO2 --> respiratory alkalosis --> altitude sickness
- increased 2,3-BPG --> binds Hb = Hb releases more O2
- increased renal excretion of HCO3- = compensates for respiratory alkalosis
- chronic hypoxic pulmonary vasoconstriction --> pulmonary HT & RVH - CORRECT
ANSWER: A healthy 5-year-old man who resides at sea level takes a 45-minute ride in
a cable car from near sea level to a skin resort (altitude 3050 m [10,000 ft]). What
labeled points on the diagram best represents this patient 30 minutes after arrival at the
resort?


- elevated serum aminotransferase levels
- *prolonged prothrombin time*
- leukocytosis
- eosinophilia


- fulminant hepatitis
- nausea, fatigue, anorexia
- history of a recent injury, like emergency cholecytectomy

, - icteric - CORRECT ANSWER: inhaled-anesthetic hepatotoxicity lab values


- febrile neutropenia & sepsis
- increased susceptibility with gram-negative organisms, like Pseudomonas = strong
association with ecthyma gangrenosum
- skin patches = necrosis & ulceration via insufficient blood flow
- contributing virulence factors = exotoxin A (protein synthesis inhibition), elastase,
phospholipase C (degrades cellular membranes), pyocyanin (generates reactive oxygen
species) - CORRECT ANSWER: Recognize ecthyma gangrenosum caused by
*Pseudomonas aeruginosa*


- fungal rhinosinusitis
- fungal hyphae branching at acute angles with septations
- grows on decaying veggies
- leukemia & lymphoma = strong risk factors - CORRECT ANSWER: Recognize
Aspergillus fumigatus


- houses temporal lobes of brain & pituitary gland - CORRECT ANSWER: Recognize
MRI of structure within *Middle Cranial Fossa*


- hyperpigmented, velvety plaques
- axilla or neck
- associated with diabetes mellitus, obesity, visceral malignancy, endocrinopathy -
CORRECT ANSWER: Recognize Acanthosis nigricans


- increased
- decreased
- increased - CORRECT ANSWER: Constriction of efferent arterioles....
- GFR =
- RPF =
- FF =

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