NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST 2024-2025 (usmle step 1)MEDICAL
EXAMINATION LATEST UPDATESJUNE 2024/2025 A GRADE.
of? - ANSWER- 21-hydroxylase
60yo M in ED for sudden onset of acute abdominal pain and tenderness, nausea, vomiting, and bloody
diarrhea 2 hours ago. He has a Hx of cirrhosis and hepatocellular carcinoma. BP 99/50. Loss of bowel
sounds. Surgery shows small intestine with dark purple-red hemorrhagic appearance. Cause? - ANSWER-
Mesenteric venous thrombosis
38yo M in ED 30 min after unable to stand upright. Lethargic, pulse 110/min, BP 90/62. PE shows dry
mucosa and poor skin turgor. Midepigastric tenderness. Labs show: Serum: Na 143, K 3.2, Cl 101, HCO3
11. ABG: pH 7.28, Pco2 23, Po2 98. Acid-base status in this patient? - ANSWER- Metabolic acidosis
2mo boy given vaccine to convert T-independent antigens to Tdependent forms to enhance protection in
young children. Which vaccine given? - ANSWER- Haemophilus influenzae type b
A study conducted to assess effectiveness of injections of lidocaine into "trigger points" of pain symptoms
in patients with fibromyalgia. Fifty patients randomly assigned - 0.9% saline only or saline plus lidocaine.
Graph shows self-reported pain scores. Explanation? - ANSWER- Placebo effect
,NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST 2024-2025 (usmle step 1)MEDICAL
EXAMINATION LATEST UPDATESJUNE 2024/2025 A GRADE.
58yo F in ED for 2-hour hx of SOB and chest pain radiates to her back
between the shoulder blades. Resp 28/min, PE shows diaphoresis. ECG
,NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST 2024-2025 (usmle step 1)MEDICAL
EXAMINATION LATEST UPDATESJUNE 2024/2025 A GRADE.
normal. Coronary angiography shows occlusion of marginal branch of LAD coronary artery.
Revascularization done with stent placement.
CKMB and troponin I increased. Mechanism of these lab findings? - ANSWER- membrane lipid
peroxidation?
In a clinical study, a polymorphic marker with three alleles, 1, 2, and 3, is found to be tightly linked to the
gene for polycystic kidney disease.
Pedigree shown. If III, 1 is unaffected by this disease, patient is most likely carrier of? - ANSWER- 2, 3
6yo girl with 4-day hx of round shiny bumps in areas where she has eczema. Her mother saw similar
bumps on a playmate at pool party 3 weeks ago. No other Sx. PE shows firm, smooth, umbilicated papules
2 to 4 mm diameter in clusters. Causal organism? - ANSWER- Poxvirus
80yo F in ED for 2-day hx of "feeling funny." "Lost my pep." Hx of poorly controlled hypertension. Just
started medication 2 weeks ago. BP 130/85. Pe normal. Serum potassium is 3. Which drug? - ANSWER-
Hydrochlorothiazide
69yo F with weakness of left leg since awakening. PE shows weakness. Babinski present on left. Decreased
somatic sensation in left foot, agraphesthesia on plantar surfaces of the toes, and decreased position
sense in the toes. MRI shows edematous area in cerebral cortex of right hemisphere. Lesion? - ANSWER- G
(cingulate gyrus - ACA territory)
68yo M in for a hemiorrhaphy. Surgeon gives info of risks and benefits. Patient says that he understands
what he has been told, and his family will be able to discuss later. In this patient, which combination of
components fulfill the criteria for fully informed consent? - ANSWER- Information, competence,
voluntariness
, NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST 2024-2025 (usmle step 1)MEDICAL
EXAMINATION LATEST UPDATESJUNE 2024/2025 A GRADE.
collection of foamy histiocytes within the dermis. Serum cholesterol is 980, and lipoprotein
electrophoresis shows a selective increase in LDL. Underlying disorder?
- ANSWER- Absence of functional LDL receptors in hepatocytes
EXAMINATION LATEST UPDATESJUNE 2024/2025 A GRADE.
of? - ANSWER- 21-hydroxylase
60yo M in ED for sudden onset of acute abdominal pain and tenderness, nausea, vomiting, and bloody
diarrhea 2 hours ago. He has a Hx of cirrhosis and hepatocellular carcinoma. BP 99/50. Loss of bowel
sounds. Surgery shows small intestine with dark purple-red hemorrhagic appearance. Cause? - ANSWER-
Mesenteric venous thrombosis
38yo M in ED 30 min after unable to stand upright. Lethargic, pulse 110/min, BP 90/62. PE shows dry
mucosa and poor skin turgor. Midepigastric tenderness. Labs show: Serum: Na 143, K 3.2, Cl 101, HCO3
11. ABG: pH 7.28, Pco2 23, Po2 98. Acid-base status in this patient? - ANSWER- Metabolic acidosis
2mo boy given vaccine to convert T-independent antigens to Tdependent forms to enhance protection in
young children. Which vaccine given? - ANSWER- Haemophilus influenzae type b
A study conducted to assess effectiveness of injections of lidocaine into "trigger points" of pain symptoms
in patients with fibromyalgia. Fifty patients randomly assigned - 0.9% saline only or saline plus lidocaine.
Graph shows self-reported pain scores. Explanation? - ANSWER- Placebo effect
,NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST 2024-2025 (usmle step 1)MEDICAL
EXAMINATION LATEST UPDATESJUNE 2024/2025 A GRADE.
58yo F in ED for 2-hour hx of SOB and chest pain radiates to her back
between the shoulder blades. Resp 28/min, PE shows diaphoresis. ECG
,NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST 2024-2025 (usmle step 1)MEDICAL
EXAMINATION LATEST UPDATESJUNE 2024/2025 A GRADE.
normal. Coronary angiography shows occlusion of marginal branch of LAD coronary artery.
Revascularization done with stent placement.
CKMB and troponin I increased. Mechanism of these lab findings? - ANSWER- membrane lipid
peroxidation?
In a clinical study, a polymorphic marker with three alleles, 1, 2, and 3, is found to be tightly linked to the
gene for polycystic kidney disease.
Pedigree shown. If III, 1 is unaffected by this disease, patient is most likely carrier of? - ANSWER- 2, 3
6yo girl with 4-day hx of round shiny bumps in areas where she has eczema. Her mother saw similar
bumps on a playmate at pool party 3 weeks ago. No other Sx. PE shows firm, smooth, umbilicated papules
2 to 4 mm diameter in clusters. Causal organism? - ANSWER- Poxvirus
80yo F in ED for 2-day hx of "feeling funny." "Lost my pep." Hx of poorly controlled hypertension. Just
started medication 2 weeks ago. BP 130/85. Pe normal. Serum potassium is 3. Which drug? - ANSWER-
Hydrochlorothiazide
69yo F with weakness of left leg since awakening. PE shows weakness. Babinski present on left. Decreased
somatic sensation in left foot, agraphesthesia on plantar surfaces of the toes, and decreased position
sense in the toes. MRI shows edematous area in cerebral cortex of right hemisphere. Lesion? - ANSWER- G
(cingulate gyrus - ACA territory)
68yo M in for a hemiorrhaphy. Surgeon gives info of risks and benefits. Patient says that he understands
what he has been told, and his family will be able to discuss later. In this patient, which combination of
components fulfill the criteria for fully informed consent? - ANSWER- Information, competence,
voluntariness
, NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST 2024-2025 (usmle step 1)MEDICAL
EXAMINATION LATEST UPDATESJUNE 2024/2025 A GRADE.
collection of foamy histiocytes within the dermis. Serum cholesterol is 980, and lipoprotein
electrophoresis shows a selective increase in LDL. Underlying disorder?
- ANSWER- Absence of functional LDL receptors in hepatocytes
