USMLE Step 1 Medical Terminology 2024 Latest Exam Questions With Correct Answers
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USMLE Step 1 Medical Terminology
Institution
USMLE Step 1 Medical Terminology
USMLE Step 1 Medical Terminology
2024 Latest Exam Questions With
Correct Answers
Common Side Effect of Sulfur-containing drugs - ANSWER
Urticaria or hives.
Palpitation - ANSWER Perceived abnormal heartbeat . Hard ,
fast , and irregular rhythm
MOT for Hyperkalemia - ANSWER...
USMLE Step 1 Medical Terminology
2024 Latest Exam Questions With
Correct Answers
Common Side Effect of Sulfur-containing drugs - ANSWER ✔
Urticaria or hives.
Palpitation - ANSWER ✔ Perceived abnormal heartbeat . Hard ,
fast , and irregular rhythm
MOT for Hyperkalemia - ANSWER ✔ Calcium Gluconate can
stabilize the membrane potential
Common Markers for GFR activity and Kidney Disease -
ANSWER ✔ For a Functional GFR
BUN and Creatinine = Inverse proportionality
Inulin = direct proportionality
Mean Corpuscular Value= kidney will indicate an MCV between
80-100 fL for normocytic anemia and above 100 fL for macrocytic
anemia
Oliguria/hypouresis - ANSWER ✔ Low output of urine, less than
400ml/day
Dysuria - ANSWER ✔ painful or difficult urination
Purpura - ANSWER ✔ red or purple discolorations on the skin
that do not blanch on applying pressure. Spots are cause by
blessing underneath the skin.
,Four signs of infantile nephrotic syndrome - ANSWER ✔
Hyperlipidemia, hypoalbuminemia, proteinuria, and edema
Renal Agenesis and Potter Syndrome - ANSWER ✔ Failure in
ureteric bud development. Bilateral renal agenesis is associated
with Potter a Syndrome with deformed limbs, wrinkly skin, and
abnormal facial appearance.
Features: pulmonary hypoplasia and oligohydramnios (low
amniotic fluid)
Allantois - ANSWER ✔ Sac like structures that forms part of a
developing amniotes conceptus. It helps the embryo exchange
gases and handle liquid waste.
Heterophile ab NEGATIVE Mono-like syndromes - ANSWER ✔
*CMV
HHV-6
HIV
Toxoplasmosis
Wernicke's Aphasia - ANSWER ✔ -word salad: well-articulated,
nonsensical speech paired with lack of lang comprehension
-aud association cortex: post part of sup temporal gyrus
- supplied by MCA
Congenital Deficiency of Propionyl CoA Carboxylase - ANSWER
✔ -prevents conversion of propionyl CoA to methylmalonyl CoA
-propionyl CoA derived from= val, ile, met, thr, odd # FA,
cholesterol side chains
-Propionic Acidemia: poor feeding, vomiting, hypotonia, lethargy,
dehydration, anion gap acidosis
,Down Synd Comorbidities - ANSWER ✔ Neuro: MR, early onset
Alzheimer's
Cardio: complete AV septal defect, VSD, ASD
GI: duodenal atresia, hirschprung disease
Endo: hypothyroid, DM1, obesity
Heme: ALL (> 5 yo) and AML (<5 yo)
Rheumatology: atlantoaxial stability
MCC of Hypoglycemia in EtOH-ics - ANSWER ✔ Thiamine def=
suppression of GNG (pyruvate DH) and TCA cyle (alpha-KG DH)
MCC of Hypoglycemia in advanced renal insuff - ANSWER ✔
impaired clearance of insulin
Avoid Nitrates in Hypertrophic Cardiomyopathy bc... - ANSWER
✔ Nitrates decrease preload, which will increase the LV outflow
tract... BUT since the ventricle is abnormally shaped, there is an
outflow obstruction
Mets through BM - ANSWER ✔ Clonal proliferation of cells can
invade/ metastasize*
1. malignant cells to lose their cell-to-cell adhesion molecules
(cadherins)
2. cell receptors to attach to laminin (a glycoprotein) in the
basement membrane and to release metalloproteinases (e.g.,
collagenases, stromelysins, gelatinases) to degrade the
basement membrane and other enzymes to degrade the
interstitial connective tissue- tissue inhibitors of
metalloproteinases neutralize these tumor-produced enzymes
and limit the degree of invasion
3. cell receptors to attach to bronectin and other proteins in the
extracellular matrix (ECM) and to break it down
, 4. malignant cells to produce cytokines that stimulate locomotion,
so that they can move through basement membranes and the
intracellular and extracellular matrices
Bicuspid Aortic Valve - ANSWER ✔ Commonly presents in
young, asymptomatic patient with soft systolic ejection at right 2nd
ICS
-can cause aortic regurg
MCC of Vaginal Candidiasis - ANSWER ✔ 1. Abx use= reduces
lactobacilli pop
2. High estrogen levels- preg
3. System corticosteroid therapy
4. Uncontrolled DM
5. Immunosuppression, including HIV
Drug causes of SIADH - ANSWER ✔ -Carbamazepine
-Cyclophosphamide
-SSRI
MC Ankle Sprain due to inversion of plantar-flexed foot -
ANSWER ✔ -Ant Talofibular Lig dmg
-ecchymosis at the ant-lat aspect of the ankle
Upper Brachial Plexus Injury - ANSWER ✔ - Musculocutaneous
and Suprascapular N.
- dystocia mc in neonates; severe trauma mc in adults
- should adduction, elbow extension, and forearm pronation
Patent foramen ovale - ANSWER ✔ -failure of septum primum
and septum secundum to fuse after birth
-can lead to paradoxical emboli
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