USMLE Step 2 CK High-Yield
QUESTIONS AND VERIFIED CORRECT
ANSWERS GRADED A+ LATEST 100%
GUARANTEED PASS
Negative Nikolsky's sign - CORRECT ANSWER-Bullous pemphigoid
A 55yo obese patient presents with dirty, velvety patches on the back of the neck - CORRECT
ANSWER-Acanthosis nigricans. Check FBG to r/o diabetes
Dermatomal distribution - CORRECT ANSWER-Varicella zoster
Flat-topped papules - CORRECT ANSWER-Lichen planus
Iris-like target lesions - CORRECT ANSWER-Erythema multiforme
A lesion characteristically occurring in a linear pattern in areas where skin comes into contact
with clothing or jewelry - CORRECT ANSWER-Contact dermatitis
Presents with a herald patch, Christmas-tree pattern - CORRECT ANSWER-Pityriasis rosea
Pinkish, scaling, flat lesions on the chest and back; KOH prep has a "spaghetti-and-meatballs"
appearance - CORRECT ANSWER-Tinea versicolor
,Four characteristics of a nevus suggestive of melanoma - CORRECT ANSWER-Asymmetry, border
irregularity, color variation, and large diameter
A premalignant lesion from sun exposure that can lead to squamous cell carcinoma - CORRECT
ANSWER-Actinic keratosis
"Dewdrops on a rose petal" - CORRECT ANSWER-Lesions of primary varicella
"Cradle cap" - CORRECT ANSWER-Seborrheic dermatitis. Treat conservatively with bathing and
moisturizing agents
Associated with Propionibacterium acnes and changes in androgen levels - CORRECT ANSWER-
Acne vulgaris
A painful, recurrent vesicular eruption of mucocutaneous surfaces - CORRECT ANSWER-Herpes
simplex
Inflammation and epithelial thinning of the anogenital area, predominantly in postmenopausal
women - CORRECT ANSWER-Lichen sclerosus
Exophytic nodules on the skin with varying degrees of scaling or ulceration; the second most
common type of skin cancer - CORRECT ANSWER-Squamous cell carcinoma
The most common cause of hypothyroidism - CORRECT ANSWER-Hashimoto's thyroiditis
Lab findings in Hashimotos' thyroiditis - CORRECT ANSWER-High TSH, low T4, anti-TPO
antibodies
,Exophthalmos, pretibial myxedema, and decreased TSH - CORRECT ANSWER-Graves' disease
The most common cause of Cushing's syndrome - CORRECT ANSWER-Iatrogenic corticosteroid
administration. The second most common cause is Cushing's disease
A patient presents with signs of hypocalcemia, high phosphorus, and low PTH - CORRECT
ANSWER-Hypoparathyroidism
Stones, bones, groans, psychic overtones - CORRECT ANSWER-Signs and symptoms of
hypercalcemia
A patient complains of HA, weakness and polyuria; exam reveals HTN and tetany. Labs show
hypernatremia, hypokalemia and metabolic alk - CORRECT ANSWER-Primary
hyperaldosteronism (due to Conn's syndrome or bilateral adrenal hyperplasia)
A patient p/w tachycardia, wild swings in BP, HA, diaphoresis, AMS and sense of panic -
CORRECT ANSWER-Pheo
Which should be used first in treating pheo, alpha or beta-antagonists? - CORRECT ANSWER-
Alpha (phentolamine and phenoxybenzamine)
A patient with h/o lithium use p/w copious amounts of dilute urine - CORRECT ANSWER-
Nephrogenic DI
Treatment of central DI - CORRECT ANSWER-Administration of DDAVP and free-water restriction
A postop patient with significant pain p/w hyponatremia and normal volume status - CORRECT
ANSWER-SIADH due to stress
, An antidiabetic agent a/w lactic acidosis - CORRECT ANSWER-Metformin
A patient p/w weakness, n/v, weight loss and new skin pigmentation. Labs show hyponatremia
and hyperkalemia. Treatment? - CORRECT ANSWER-Primary adrenal insufficiency (Addison's).
Treat with glucocorticoids, mineralocorticoids and IVF
Goal HbA1c for patient with DM - CORRECT ANSWER-<7.0
Treatment of DKA - CORRECT ANSWER-Fluids, insulin, and electrolute repletion (eg K+)
Why are beta-blockers contraindicated in diabetics? - CORRECT ANSWER-Can mask symptoms
of hypoglycemia
Bias introduced into a study when a clinician is aware of the patient's treatment type - CORRECT
ANSWER-Observational bias
Bias introduced when screening detects a disease earlier and thus lengthens the time from
diagnosis to death - CORRECT ANSWER-Lead-time bias
If you want to know if geographical location affects infant mortality rate but most variation in
infant mortality is predicted by socioeconomic status, then socioeconomic status is a ______ -
CORRECT ANSWER-Confounding variable
The proportion of people who have the disease and test + is the - CORRECT ANSWER-Sensitivity
Sensitive tests have few false negatives and are used to rule ___ a disease - CORRECT ANSWER-
Out
QUESTIONS AND VERIFIED CORRECT
ANSWERS GRADED A+ LATEST 100%
GUARANTEED PASS
Negative Nikolsky's sign - CORRECT ANSWER-Bullous pemphigoid
A 55yo obese patient presents with dirty, velvety patches on the back of the neck - CORRECT
ANSWER-Acanthosis nigricans. Check FBG to r/o diabetes
Dermatomal distribution - CORRECT ANSWER-Varicella zoster
Flat-topped papules - CORRECT ANSWER-Lichen planus
Iris-like target lesions - CORRECT ANSWER-Erythema multiforme
A lesion characteristically occurring in a linear pattern in areas where skin comes into contact
with clothing or jewelry - CORRECT ANSWER-Contact dermatitis
Presents with a herald patch, Christmas-tree pattern - CORRECT ANSWER-Pityriasis rosea
Pinkish, scaling, flat lesions on the chest and back; KOH prep has a "spaghetti-and-meatballs"
appearance - CORRECT ANSWER-Tinea versicolor
,Four characteristics of a nevus suggestive of melanoma - CORRECT ANSWER-Asymmetry, border
irregularity, color variation, and large diameter
A premalignant lesion from sun exposure that can lead to squamous cell carcinoma - CORRECT
ANSWER-Actinic keratosis
"Dewdrops on a rose petal" - CORRECT ANSWER-Lesions of primary varicella
"Cradle cap" - CORRECT ANSWER-Seborrheic dermatitis. Treat conservatively with bathing and
moisturizing agents
Associated with Propionibacterium acnes and changes in androgen levels - CORRECT ANSWER-
Acne vulgaris
A painful, recurrent vesicular eruption of mucocutaneous surfaces - CORRECT ANSWER-Herpes
simplex
Inflammation and epithelial thinning of the anogenital area, predominantly in postmenopausal
women - CORRECT ANSWER-Lichen sclerosus
Exophytic nodules on the skin with varying degrees of scaling or ulceration; the second most
common type of skin cancer - CORRECT ANSWER-Squamous cell carcinoma
The most common cause of hypothyroidism - CORRECT ANSWER-Hashimoto's thyroiditis
Lab findings in Hashimotos' thyroiditis - CORRECT ANSWER-High TSH, low T4, anti-TPO
antibodies
,Exophthalmos, pretibial myxedema, and decreased TSH - CORRECT ANSWER-Graves' disease
The most common cause of Cushing's syndrome - CORRECT ANSWER-Iatrogenic corticosteroid
administration. The second most common cause is Cushing's disease
A patient presents with signs of hypocalcemia, high phosphorus, and low PTH - CORRECT
ANSWER-Hypoparathyroidism
Stones, bones, groans, psychic overtones - CORRECT ANSWER-Signs and symptoms of
hypercalcemia
A patient complains of HA, weakness and polyuria; exam reveals HTN and tetany. Labs show
hypernatremia, hypokalemia and metabolic alk - CORRECT ANSWER-Primary
hyperaldosteronism (due to Conn's syndrome or bilateral adrenal hyperplasia)
A patient p/w tachycardia, wild swings in BP, HA, diaphoresis, AMS and sense of panic -
CORRECT ANSWER-Pheo
Which should be used first in treating pheo, alpha or beta-antagonists? - CORRECT ANSWER-
Alpha (phentolamine and phenoxybenzamine)
A patient with h/o lithium use p/w copious amounts of dilute urine - CORRECT ANSWER-
Nephrogenic DI
Treatment of central DI - CORRECT ANSWER-Administration of DDAVP and free-water restriction
A postop patient with significant pain p/w hyponatremia and normal volume status - CORRECT
ANSWER-SIADH due to stress
, An antidiabetic agent a/w lactic acidosis - CORRECT ANSWER-Metformin
A patient p/w weakness, n/v, weight loss and new skin pigmentation. Labs show hyponatremia
and hyperkalemia. Treatment? - CORRECT ANSWER-Primary adrenal insufficiency (Addison's).
Treat with glucocorticoids, mineralocorticoids and IVF
Goal HbA1c for patient with DM - CORRECT ANSWER-<7.0
Treatment of DKA - CORRECT ANSWER-Fluids, insulin, and electrolute repletion (eg K+)
Why are beta-blockers contraindicated in diabetics? - CORRECT ANSWER-Can mask symptoms
of hypoglycemia
Bias introduced into a study when a clinician is aware of the patient's treatment type - CORRECT
ANSWER-Observational bias
Bias introduced when screening detects a disease earlier and thus lengthens the time from
diagnosis to death - CORRECT ANSWER-Lead-time bias
If you want to know if geographical location affects infant mortality rate but most variation in
infant mortality is predicted by socioeconomic status, then socioeconomic status is a ______ -
CORRECT ANSWER-Confounding variable
The proportion of people who have the disease and test + is the - CORRECT ANSWER-Sensitivity
Sensitive tests have few false negatives and are used to rule ___ a disease - CORRECT ANSWER-
Out
