After skinning a rabbit, a hunter develops an ulcer and tender nodes. Which growth requirement fits the culprit? A) Cysteine-enriched media B) X factor only C) High salt D) Bile esculin #CoreStepPrep #USMLE #MedStudent #MedSchool #Step1

USMLE Step 2 CK: answer and explanation. Try the question above first. #CoreStepPrep

USMLE Step 2 CK question of the day. Choose your answer before opening the reply. Answer and explanation in the reply below. #CoreStepPrep #Step2CK

USMLE Step 1: answer and explanation. Try the question above first. #CoreStepPrep

USMLE Step 1 question of the day. Choose your answer before opening the reply. Answer and explanation in the reply below. #CoreStepPrep #USMLEStep1

After rapid ascent, a diver with emphysema develops a ruptured bleb. Which lung change predisposed? A) Loss of elastic recoil B) Surfactant deficiency C) Interstitial fibrosis D) High surface tension #CoreStepPrep #USMLE #MedStudent #MedSchool

A preterm infant develops atelectasis from surfactant deficiency. Which alveolus needs the greatest pressure to stay open? A) Largest radius B) Smallest radius C) Highest compliance D) Lowest surface tension #CoreStepPrep #USMLE #MedStudent #MedSchool

Infertility, bronchiectasis, and situs inversus; cilia are immotile. Which defect? A) Dynein arms B) Radial spokes C) Nexin links D) Basal bodies #CoreStepPrep #USMLE #MedStudent #MedSchool

USMLE Step 2 CK: answer and explanation. Try the question above first. #CoreStepPrep

USMLE Step 2 CK question of the day. Choose your answer before opening the reply. Answer and explanation in the reply below. #CoreStepPrep #Step2CK

TSH and Free T4 Patterns: Solve Thyroid Lab Questions High TSH with low free T4 indicates primary hypothyroidism; low free T4 with a TSH that is not… corestepprep.com/blog/usmle-…

USMLE Step 1: answer and explanation. Try the question above first. #CoreStepPrep

USMLE Step 1 question of the day. Choose your answer before opening the reply. Answer and explanation in the reply below. #CoreStepPrep #USMLEStep1

A patient with AIDS, flea-infested cats, and red vascular skin papules has culture-negative endocarditis. Cause? A) Bartonella henselae B) Coxiella burnetii C) Tropheryma whipplei D) Brucella melitensis #CoreStepPrep #USMLE #MedStudent #MedSchool

A pituitary stalk lesion causes galactorrhea and elevated prolactin. Loss of which hypothalamic signal is responsible? A) Dopamine B) TRH C) GnRH D) GHRH #CoreStepPrep #USMLE #MedStudent #MedSchool

After a weekend outdoors, a man develops fragile blisters on his dorsal hands and tea-colored urine. Which enzyme is deficient? A) Uroporphyrinogen decarb. B) Ferrochelatase C) ALA dehydratase D) Porphobilinogen deaminase #CoreStepPrep #USMLE #MedStudent #MedSchool

USMLE Step 2 CK: answer and explanation. Try the question above first. #CoreStepPrep

USMLE Step 2 CK question of the day. Choose your answer before opening the reply. Answer and explanation in the reply below. #CoreStepPrep #Step2CK

USMLE Step 1: answer and explanation. Try the question above first. #CoreStepPrep

USMLE Step 1 question of the day. Choose your answer before opening the reply. Answer and explanation in the reply below. #CoreStepPrep #USMLEStep1