NBME 18 Answers
Block 1/Question#10
25 yo woman, polycystic kidneys
HCO3: decreased; inorganic PO4: increased; parathryroid hormone: increased
25 yo woman, polycystic kidneys
HCO3: decreased; inorganic PO4: increased; parathryroid hormone: increased
Block 1/Question#13
10 yo boy, nosebleeds and easy bruising
Antibodies directed against the glycoprotein (Gp) IIb/IIIa complex
10 yo boy, nosebleeds and easy bruising
Antibodies directed against the glycoprotein (Gp) IIb/IIIa complex
Block 1/Question#15
experimental animal with defect in an innate gastrointestinal defence mechanism
Chronic gastritis
experimental animal with defect in an innate gastrointestinal defence mechanism
Chronic gastritis
Block 1/Question#18
68 yo man, chronically increased hydrostatic pressure in Bowman space
Benign prostatic hyperplasia
68 yo man, chronically increased hydrostatic pressure in Bowman space
Benign prostatic hyperplasia
Block 1/Question#19
70 yo woman, increasingly severe pain in right knee over 3 months
Pleomorphic neoplastic cells producing new woven bone
70 yo woman, increasingly severe pain in right knee over 3 months
Pleomorphic neoplastic cells producing new woven bone
Block 1/Question#26
50 yo woman, chronic obstructive pulmonary disease
Endothelial nitric oxide synthase production
50 yo woman, chronic obstructive pulmonary disease
Endothelial nitric oxide synthase production
Block 1/Question#28
Cholera toxin is a catalyst that results in the inhibition of GTPase activity of G-stimulator protein
Concentration of cAMP
Cholera toxin is a catalyst that results in the inhibition of GTPase activity of G-stimulator protein
Concentration of cAMP
Block 1/Question#30
29 yo woman irregular menstrual periods
Provide follow-up appointments to assess the patient's progress in attaining her goals
29 yo woman irregular menstrual periods
Provide follow-up appointments to assess the patient's progress in attaining her goals
Block 1/Question#32
52 yo man with chest pain and shortness of breath
Proximal tubule: isotonic; Macula densa: hypotonic; Medullary collecting duct: hypertonic
52 yo man with chest pain and shortness of breath
Proximal tubule: isotonic; Macula densa: hypotonic; Medullary collecting duct: hypertonic
Block 1/Question#33
35 yo woman with pain and swelling of breasts, pelvic discomfort
Have a chaperone join them for the remainder of the examination
35 yo woman with pain and swelling of breasts, pelvic discomfort
Have a chaperone join them for the remainder of the examination
Block 1/Question#38
45 yo homeless man found unconscious
Methylmalonic Acid: normal; Homocysteine: increased
45 yo homeless man found unconscious
Methylmalonic Acid: normal; Homocysteine: increased
Block 1/Question#45
55 yo man; father and brother died of myocardial infarct at early age
Increased transcription of HMG-CoA reductase
55 yo man; father and brother died of myocardial infarct at early age
Increased transcription of HMG-CoA reductase
Block 2/Question#9
19 yo woman being treated for meningococcal meningitis
Adrenocorticotropic hormone stimulation test
19 yo woman being treated for meningococcal meningitis
Adrenocorticotropic hormone stimulation test
Block 2/Question#15
38 yo man, 1 week history of shortness of breath with exertion
Aortic regurgitation
38 yo man, 1 week history of shortness of breath with exertion
Aortic regurgitation
Block 2/Question#21
66 yo woman, 2 days of fever, flank pain, pain with urination, nausea
Calcium carbonate
66 yo woman, 2 days of fever, flank pain, pain with urination, nausea
Calcium carbonate
Block 2/Question#27
58 yo man, 4 years of recurrent cough and sputum
Pseudostratified columnar epithelial cells
58 yo man, 4 years of recurrent cough and sputum
Pseudostratified columnar epithelial cells
Block 2/Question#29
32 yo woman, new neurologic finding; imaging shows cavernous sinus thrombosis
Inability to abduct the eye
32 yo woman, new neurologic finding; imaging shows cavernous sinus thrombosis
Inability to abduct the eye
Block 2/Question#44
35 yo woman, passed out while washing dishes
K+: decreased; HCO3: increased; Anion gap: normal; pH: increased
35 yo woman, passed out while washing dishes
K+: decreased; HCO3: increased; Anion gap: normal; pH: increased
Block 3/Question#6
32 yo woman, diagnosis of hyperparathyroidism
Abnormal migration of endoderm from the fourth pharyngeal pouch
32 yo woman, diagnosis of hyperparathyroidism
Abnormal migration of endoderm from the fourth pharyngeal pouch
Block 3/Question#12
58 yo woman, 6 months shortness of breath, nonproductive cough
Pulmonary hypertension
58 yo woman, 6 months shortness of breath, nonproductive cough
Pulmonary hypertension
Block 3/Question#17
46 yo woman, 1 week of fever and joint pain
Inflammatory infiltrates in the interstitium
46 yo woman, 1 week of fever and joint pain
Inflammatory infiltrates in the interstitium
Block 3/Question#21
48 yo woman, gradual onset of back pain over 2 weeks
Metastatic carcinoma of the breast
48 yo woman, gradual onset of back pain over 2 weeks
Metastatic carcinoma of the breast
Block 3/Question#31
28 yo woman, 4 days of palpitations, severe neck pain, fatigue, malaise
Subacute granulomatous thyroiditis
28 yo woman, 4 days of palpitations, severe neck pain, fatigue, malaise
Subacute granulomatous thyroiditis
Block 3/Question#32
25 yo woman, 2 years of intermittent, diffuse, cramping lower abdominal pain
Accentuation of mu-opioid myenteric plexus receptor
25 yo woman, 2 years of intermittent, diffuse, cramping lower abdominal pain
Accentuation of mu-opioid myenteric plexus receptor
Block 3/Question#40
47 yo woman with irregular, raised, multicolored dark lesion
Subcutaneous tissue
47 yo woman with irregular, raised, multicolored dark lesion
Subcutaneous tissue
Block 3/Question#41
24 yo man, 3 days of progressive numbness of both feet
Myelinated primary afferents
24 yo man, 3 days of progressive numbness of both feet
Myelinated primary afferents
Block 3/Question#45
65 yo patient with lung region underventilated but well perfused
Physiologic shunt
65 yo patient with lung region underventilated but well perfused
Physiologic shunt
Block 3/Question#47
19 yo woman, 2 days of pain in left index finger
Flexor digitorum profundus tendon
19 yo woman, 2 days of pain in left index finger
Flexor digitorum profundus tendon
Block 4/Question#14
18 yo woman ingests 100 aspirin tablets in suicide attempt
pH: 7.32; PCO2: 15; HCO3: 8
18 yo woman ingests 100 aspirin tablets in suicide attempt
pH: 7.32; PCO2: 15; HCO3: 8
Block 4/Question#29
65 yo man, cancer of the cecum
Ileocolic → superior mesenteric → portal → right hepatic branch of the portal
65 yo man, cancer of the cecum
Ileocolic → superior mesenteric → portal → right hepatic branch of the portal
Block 4/Question#30
5 yo girl, 1 day severe leg pain after falling off sled
Intestinal calcium absorption
5 yo girl, 1 day severe leg pain after falling off sled
Intestinal calcium absorption
Block 4/Question#36
18 yo woman given general anesthesia for wisdom tooth extraction
Sarcoplasmic Ca2+ release
18 yo woman given general anesthesia for wisdom tooth extraction
Sarcoplasmic Ca2+ release
Block 4/Question#37
66 yo man, 1 month nonproductive cough, 6 months progressive shortness of breath
Idiopathic pulmonary fibrosis
66 yo man, 1 month nonproductive cough, 6 months progressive shortness of breath
Idiopathic pulmonary fibrosis
Recent comments ...
5 yo boy, history of motion sickness
Antagonist at muscarinic-3 receptors