Block/Question(3.9 difficulty score)
An 18-year-old man is brought to the physician by his father ... Inquiry about a history of anabolic steroid use
Block/Question(1.5 difficulty score)
A 45-year-old man has a 2-day history of severe abdominal pain Action of pancreatic enzymes on adipose
Block/Question(6.0 difficulty score)
A 72-year-old woman is admitted to the hospital because of an ... Left coronary, circumflex, posterior interventricular (posterior descending)
Block/Question(1.1 difficulty score)
A 32-year-old woman comes to the physician because of a 6-month Collecting duct
Block/Question(1.0 difficulty score)
A 50-year-old woman comes to the physician because of progressive Endothelin
Block/Question(2.3 difficulty score)
Following a stroke, a 68-year-old man has a language problem. His H (Wernicke's area)
Block/Question(4.4 difficulty score)
A previous healthy 26-year-old woman comes to the physician ... Area labeled by letter 'E'
Block/Question(1.8 difficulty score)
A 55-year-old man comes to the physician because of a 2-month hist Motor fibers from the vagus nerve
Block/Question(3.9 difficulty score)
A 56-year-old woman is brought to the emergency department by ... Lipopolysaccharide
Block/Question(0.9 difficulty score)
A 23-year-old primigravid woman develops fever and chills 2 days Listeria monocytogenes
Block/Question(3.3 difficulty score)
A 30-year-old man is brought to the physician by his wife ... Porphobilinogen deaminase
Block/Question(0.9 difficulty score)
During an experiment of muscle contraction, intracellular calcium Myosin bonding sites on actin remain covered by troponin C
Block/Question(5.2 difficulty score)
A 37-year-old woman is brought to the emergency department ... Cardiogenic
Block/Question(5.7 difficulty score)
A 65-year-old man with hypertension volunteers to participate ... Acid-base: Metabolic alkalosis; Volume contraction: yes
Block/Question(4.4 difficulty score)
A 65-year-old woman comes to the physician for a follow-up ... Osteoblast activity: decreased; Osteoclast activity: increased; RANKL: increased
Block/Question(4.2 difficulty score)
A 22-year-old woman is found to be HIV positive after sexual ... Protein processing
Block/Question(3.2 difficulty score)
A 70-year-old woman is found dead in her bed in a skilled ... Hypertrophy
Block/Question(1.4 difficulty score)
A 69-year-old man with benign prostatic hyperplasia develops Bethanechol
Block/Question(1.1 difficulty score)
An 18-year-old man comes to the physician because of 1-year Prolactin
Block/Question(1.4 difficulty score)
A 35-year-old metal worker collapses after exposure to an unknown Amyl nitrite
Block/Question(4.8 difficulty score)
An 18-month-old boy with severe combined immunodeficiency ... Irradiated packed red blood cells
Block/Question(2.8 difficulty score)
A 31-year-old woman is treated for Plasmodium vivax malaria ... Primaquine kills hypnozoites
Block/Question(1.2 difficulty score)
A 25-year-old primigravid woman at 12 weeks' gestation comes to th Partial hyatidiform mole
Block/Question(2.6 difficulty score)
A 72-year-old man comes to the physician because of a 3-month hist Protrusion of the fundus into the chest above the level of T10
Block/Question(4.6 difficulty score)
A 50-year-old man comes to the physician for a routine health ... Medullary
Block/Question(3.8 difficulty score)
A couple has two children with osteogenesis imperfecta type ... Germline mosaicism
Block/Question(1.0 difficulty score)
A 71-year-old woman is brought to the emergency department 1 hour Temporal arteritis
Block/Question(1.2 difficulty score)
A 32-year-old man is brought to the emergency department in a coma pH 7.28, PO2(mmHg) 50, PCO2(mmHg) 60, HCO3-(mEq/L) 27
Block/Question(5.2 difficulty score)
A 25-year-old woman with a history of rheumatic fever and ... Streptococcus mitis
Block/Question(0.9 difficulty score)
An 8-year-old boy with moderate mental retardation is brought Prader-Willi syndrome
Block/Question(3.1 difficulty score)
A 42-year-old woman with multiple sclerosis is brought to the ... Medial longitudinal fasciculus
Block/Question(5.4 difficulty score)
A 75-year-old woman is brought to the physician because of a ... Releases NF-κB after undergoing phosphorylation
Block/Question(1.5 difficulty score)
A 54-year-old man comes to the physician because of increasing Major depressive disorder
Block/Question(1.0 difficulty score)
A 3-year-old girl is brought to the physician because of fever and Dynein
Block/Question(3.3 difficulty score)
A 2-month-old boy is brought to the physician because of ... Peroxisomes
Block/Question(4.3 difficulty score)
A 1-year-old boy is brought to the physician by his parents ... RNA splice error
Block/Question(1.3 difficulty score)
A food handler has a fresh furuncle on his face. He prepares Vomiting
Block/Question(1.0 difficulty score)
A 45-year-old man with chronic renal failure is admitted 25-hydroxycholecalciferol
Block/Question(7.0 difficulty score)
A 43-year-old man with a 10-year history of alcoholism comes ... Decreased glutathione
Block/Question(4.4 difficulty score)
A 36-year-old man who is heterozygous for an LDL-receptor ... LDL receptor
Block/Question(7.5 difficulty score)
A 56-year-old woman comes to the physician because of a ... Helicobacter pylori
Block/Question(4.4 difficulty score)
A 5-year-old boy is stung on his foot by a bee. Within 30 ... Gap formation between endothelial cells
Block/Question(1.4 difficulty score)
A 50-year-old man is brought to the physician because of progressi "D" label in the image
Block/Question(5.4 difficulty score)
A 45-year-old woman (III,7) comes to the physician for a ... Incomplete penetrance
Block/Question(1.6 difficulty score)
A 67-year-old man comes to the physician because of a 2-month Burning
Block/Question(0.9 difficulty score)
A 4-year-old boy has respiratory tract colonization with Pseudomon Autosomal recessive
Block/Question(4.4 difficulty score)
A 23-year-old woman comes to the physician because of a ... Glucokinase
Block/Question(4.2 difficulty score)
A newborn delivered at 28 weeks' gestation is in severe ... Lung elastic recoil
Block/Question(0.2 difficulty score)
A 24-year-old woman is admitted to the hospital because of acute p Ectopic pregnancy
Block/Question(1.2 difficulty score)
A 15-year-old is brought to the physician because of right wrist Avascular necrosis of the proximal scaphoid bone
Block/Question(1.2 difficulty score)
A 34-year-old woman who is a scientist is brought to the Potassium iodide
Block/Question(4.6 difficulty score)
An investigator is studying Helicobacter pylori strains ... Slipped-strand mispairing
Block/Question(1.2 difficulty score)
A 24-year-old man develops recurrent vesicular lesions on his uppe Sensory neurons
Block/Question(1.1 difficulty score)
A 45-year-old man with an ulcer in the anterior superior portion Diaphragm
Block/Question(3.8 difficulty score)
A previously healthy 48-year-old man is brought to the ... Degenerating epithelial cells and dirty brown granular casts
Block/Question(7.2 difficulty score)
A 2-year-old girl is brought to the emergency department 20 ... Atropine
Block/Question(1.2 difficulty score)
A 43-year-old man comes to the physician because of progressive Inherited protease deficiency
Block/Question(5.0 difficulty score)
A newborn undergoes surgical repair of esophageal atresia. ... Endoderm
Block/Question(4.9 difficulty score)
A 4-year-old boy is brought to the physician by his father ... Cytoskeleton
Block/Question(5.1 difficulty score)
A 4-day-old male newborn who was born at home is brought to ... First
Block/Question(1.2 difficulty score)
A 17-year-old boy comes to the physician because of a 4-month hist Tuberculosis abscess of the spine
Block/Question(2.6 difficulty score)
Influenza virus strains are characterized by differing sensitivity HA
Block/Question(1.0 difficulty score)
A 21-year-old woman at 30 weeks' gestation is admitted to the hos Cyclooxygenase
Block/Question(1.5 difficulty score)
A 1-month old male newborn is brought to the physician for a well- Number of Melanocytes = Normal, Melanosomes = ↓
Block/Question(7.3 difficulty score)
A 2-month-old male infant is brought to the emergency ... Glycine receptor
Block/Question(0.2 difficulty score)
a 4-year-old boy with asthma is brought to the emergency departmen Binding to its cytoplasmic receptor, translocation to the nucleus, and activation of transcription of target genes
Block/Question(1.4 difficulty score)
A 32-year-old man has a 3-month history of episodic epigastric Decreased smoking
Block/Question(4.5 difficulty score)
A 9-year-old boy has mild mental retardation and a 4-year ... Tuberous sclerosis
Block/Question(3.9 difficulty score)
A 30-year-old woman has had Hodgkin disease that was ... Therapy for Hodgkin disease causes mutations in hematopoietic stem cells, and one mutant cell progresses to leukemia
Block/Question(4.0 difficulty score)
A previously healthy 18-year-old woman comes to the physician ... β-Lactamase production
Block/Question(1.2 difficulty score)
A 19-year-old woman is brought to the physician by her parents Olanzapine
Block/Question(1.2 difficulty score)
A previously healthy 25-year-old woman comes to the physician for Germ cells
Block/Question(6.7 difficulty score)
A 43-year-old woman comes to the physician because of a ... Complex partial
Block/Question(1.5 difficulty score)
A 50-year-old man underwent a bowel resection for colon cancer Hematogenous spread of colonic tumor via the portal venous system
Block/Question(0.9 difficulty score)
A 13-year-old girl is brought to the physician by her mother Transcription
Block/Question(4.4 difficulty score)
A study was begun in the 1950s to determine the causes of ... Cohort study
Block/Question(1.0 difficulty score)
The lymphoproliferative properties of the gammaherpesviruses Nasopharyngeal carcinoma
Block/Question(1.1 difficulty score)
The vaccine against diphtheria confers protective immunity Purified inactivated toxin
Block/Question(1.8 difficulty score)
An investigator who wishes to test the hypothesis that a number Immunohistochemistry
Block/Question(1.0 difficulty score)
A 19-year-old woman comes to the physician for a follow-up examina Doxycycline
Block/Question(1.2 difficulty score)
A 43-year-old woman is admitted to the hospital 40 minutes Hippocampus
Block/Question(2.9 difficulty score)
A previously healthy 26-year-old woman comes to the physician ... External hemorrhoid
Block/Question(7.3 difficulty score)
A healthy 25-year-old man participates in a study of muscle ... epp Amplitude: 1; mepp Amplitude: 1; Response to Ach: 1
Block/Question(1.1 difficulty score)
A 51-year-old woman undergoes dilation and curettage for dysfuncti Succinylcholine
Block/Question(3.7 difficulty score)
A 25-year-old woman comes to the physician because of general ... Thrombocytopenia
Block/Question(4.1 difficulty score)
A 28-year-old African American man comes to the physician ... Ethnicity
Block/Question(1.1 difficulty score)
A previously healthy 27-year-old woman is brought to the emergency Superantigen activation of T lymphocytes
Block/Question(2.9 difficulty score)
A 32-year-old man comes to the physician for his annual ... Schizoid personality disorder
Block/Question(1.0 difficulty score)
A 28-year-old woman is brought to the hospital by her boyfriend be Determine the C-peptide concentration in the latest blood specimen drawn
Block/Question(1.2 difficulty score)
A 3-year-old girl is brought to the physician because of a 1-month Thyroid follicles
Block/Question(4.2 difficulty score)
A study is conducted to evaluate the effectiveness of cough ... Lack of blinding between groups
Block/Question(0.9 difficulty score)
A 54-year-old woman comes to the physician because of a 2-week his This patient's medication has an agonist effect on endometrial estrogen receptors
Block/Question(4.3 difficulty score)
A paper says, "We chose the sample size to have an 80% power ... 5%, Type I error
Block/Question(3.7 difficulty score)
A 45-year-old man comes to the physician for a follow-up ... Venous return: decreased; Carotid sinus baroreceptor activity: decreased; Cerebral blood flow: decreased
Block/Question(1.0 difficulty score)
A 53-year-old man develops a fever and hypotension while being Clostridium perfringens
Block/Question(1.5 difficulty score)
A 56-year-old woman is brought to the emergency department because 1000
Block/Question(5.2 difficulty score)
A 6-year-old boy with severe mental retardation and ... 0.2 to 0.5
Block/Question(5.4 difficulty score)
A 4-year-old boy with a karyotype of 47,XY+21 develops ... Excess lymphoblasts
Block/Question(5.1 difficulty score)
A 59-year-old man comes to the physician because of a 10-day ... Imatinib
Block/Question(5.5 difficulty score)
A 35-year-old woman, gravida 1, para 1, comes to the ... Nicotinic acetylcholine receptor
Block/Question(2.6 difficulty score)
A 51-year-old man with a 5-year history of Wegener ... Hematuria
Block/Question(1.0 difficulty score)
A 38-year-old man is admitted to the hospital after sustaining Vitamin K deficiency caused by depletion of the normal gut flora
Block/Question(5.1 difficulty score)
A 2-month-old girl is brought to the physician for a ... Congenital neutropenia
Block/Question(4.9 difficulty score)
A 27-year-old man comes to the physician because of a 3-hour ... Prolonged fecal excretion of the organism
Block/Question(1.4 difficulty score)
A 72-year-old man with poorly controlled hypertension is brought t Decreased femoral pulses
Block/Question(1.5 difficulty score)
A 70-year-old man has a 4-month history of weight loss, abdominal Pancreatic enzymes
Block/Question(4.2 difficulty score)
A 48-year-old woman comes to the emergency department because ... Increased cardiac parasympathetic activity
Block/Question(3.6 difficulty score)
A 65-year-old man with a history of ischemic heart disease ... 33%
Block/Question(0.6 difficulty score)
A 14-year-old boy has fatigue, intermittent right lower Vitamin B12 (cobalmin)
Block/Question(3.8 difficulty score)
A male newborn is delivered at term with a right-sided aortic ... Third and fourth branchial pouches
Block/Question(1.0 difficulty score)
A 10-year-old girl with sickle cell disease is brought to the Salmonella
Block/Question(1.1 difficulty score)
A study is conducted of patients with restrictive airway disease Increased body fat is associated with lower lung capacity
Block/Question(1.6 difficulty score)
An investigator conducts a study of the molecular basis of von Proteasome
Block/Question(7.8 difficulty score)
A 3-year-old girl is brought to the physician because of a ... Abnormal targeting of these enzymes to lysosomes
Block/Question(1.4 difficulty score)
A male newborn has multiple congenital anomalies resulting from Absence of adrenal medulla
Block/Question(1.4 difficulty score)
A previously healthy 35-year-old woman develops hypoxemia 35 min PO2 50, PCO2 80, (A-a)O2 10
Block/Question(1.3 difficulty score)
An 82-year-old woman with alcohol dependence is admitted to the Inadequate hydroxylation of collagen polypeptides
Block/Question(0.3 difficulty score)
A 26 year old woman comes to the physician because of vaginal irri oral metronidazole
Block/Question(6.6 difficulty score)
A 13-year-old boy is scheduled to receive chemotherapy for a ... T-lymphocyte thymocytes localized to the thymic cortex
Block/Question(2.4 difficulty score)
A 6-year-old girl is brought to the physician for a follow-up exam Glutamine
Block/Question(1.3 difficulty score)
A 30-year-old woman comes to the physician because of a 6-month hi Serotonin
Block/Question(6.5 difficulty score)
A 3-year-old girl is brought to the physician because of a ... Interferon-gamma receptor
Block/Question(1.0 difficulty score)
A 69-year-old woman is brought to the physician by her son because Normal pressure hydrocephalus
Block/Question(0.8 difficulty score)
A 55 year old woman with colon cancer and a healthy .. Apoptosis
Block/Question(0.9 difficulty score)
A 62-year-old woman comes to the physician because of a 3-week Multiple myeloma
Block/Question(1.0 difficulty score)
A 23-year-old woman is brought to the emergency department by her Heroin
Block/Question(1.5 difficulty score)
A 2-month old male infant with a ventricular septal defect is brou Left ventricular pressure increased, right ventricular pressure decreased, left atrial pressure decreased
Block/Question(5.6 difficulty score)
A 64-year-old man comes to the physician because of a 2-month ... Increased fibrosis in the interstitium
Block/Question(3.3 difficulty score)
A 23-year-old woman comes to the physician because of a 3-day ... Oculomotor nerve
Block/Question(4.9 difficulty score)
During a series of normal skeletal muscle twitches, the ATP ... ATP is quickly regenerated from creatine phosphate
Block/Question(8.0 difficulty score)
Which of the following best explains why deoxygenated blood ... Deoxyhemoglobin is a better buffer of hydrogen ions than oxyhemoglobin
Block/Question(9.9 difficulty score)
A 7-year-old boy is brought to the physician because of a ... Virion release
Block/Question(8.6 difficulty score)
A healthy 3-year-old boy has a cleft lip and palate. He has ... Multifactorial
Block/Question(1.6 difficulty score)
A 75-year-old woman comes to the physician because of 3-month hist Lentigo maligna
Block/Question(5.1 difficulty score)
An investigator is designing a study to compare a new ... Stratification
Block/Question(2.2 difficulty score)
A 50-year-old man comes to the physician because of a 2-week histo Stenosis of the right coronary artery
Block/Question(4.6 difficulty score)
A 52-year-old man is brought to the physician 3 days after ... No constriction because the retinal ganglion cells in the left eye have been destroyed
Block/Question(9.2 difficulty score)
A 47-year-old man is admitted to the hospital for treatment ... Increased pulmonary capillary pressure
Block/Question(1.5 difficulty score)
A 3-year-old boy with chronic otitis media is scheduled to undergo Low blood solubility
Block/Question(3.0 difficulty score)
A 22-year-old man is brought to the emergency department 30 ... Deep fibular (peroneal)
Block/Question(1.0 difficulty score)
A study is conducted to assess a new prenatal test for Down syndro 99%
Block/Question(4.8 difficulty score)
A 40-year-old woman with breast cancer is brought to the ... Occipital lobe
Block/Question(4.3 difficulty score)
A 25-year-old woman comes to the physician because of ... Nuclear/retinoid X binding to DNA
Block/Question(3.1 difficulty score)
A 25-year-old primigravid woman at 25 weeks' gestation comes ... Prematurity
Block/Question(2.3 difficulty score)
A 22-year-old man comes to the physician because of an 8-year hist Decreased conjugation of bilirubin
Block/Question(3.0 difficulty score)
A 50-year-old man comes to the emergency department because of a 2 Anemia
Block/Question(1.3 difficulty score)
A 60-year-old man is brought to the emergency department Reversible, dose-dependent
Block/Question(2.0 difficulty score)
A 20-year-old woman comes to the physician because her menstrual p The neural plate is present, but the neural tube is not yet complete
Block/Question(1.2 difficulty score)
A 42-year-old woman comes to the physician for an exam Beta-thalassemia minor
Block/Question(0.9 difficulty score)
A 7-month-old girl is brought to the physician for a well-child ex Coarctation of the aorta
Block/Question(1.3 difficulty score)
A 27-year-old woman comes to the physician because of 1-month Dilated cardiomyopathy
Block/Question(2.0 difficulty score)
A 30-year-old nulligravid woman comes to the physician because Estrogen in adipose tissue
Block/Question(3.6 difficulty score)
A 17-year-old boy with chronic renal insufficiency undergoes ... Hydronephrosis
Block/Question(1.0 difficulty score)
A 66-year-old woman with ovarian cancer comes to the emergency dep Increased tubular hydrostatic pressure
Block/Question(1.1 difficulty score)
A 22-year-old man comes to the emergency department 30 minutes Median
Block/Question(3.5 difficulty score)
One-half hour after an uncomplicated vaginal delivery, a ... Oxytocin
Block/Question(4.7 difficulty score)
A 24-year-old woman with Marfan syndrome comes to the ... Hypervolemia
Block/Question(1.4 difficulty score)
A 23-year-old nulligravid woman comes to the physician because she Blockage of both fallopian tubes
Block/Question(5.5 difficulty score)
A 75-year-old man with chronic obstructive pulmonary disease ... C5a
Block/Question(1.2 difficulty score)
Vision screening is performed on 4000 people who are older than 65 Unable to calculate due to insufficient data
Block/Question(1.1 difficulty score)
A 48-year-old woman comes to the physician because of a 2-month Autoantibody (IgM) reactive with IgG
Block/Question(6.1 difficulty score)
A 67-year-old man is brought to the physician because of a ... Aneurysm of the posterior communicating artery
Block/Question(1.2 difficulty score)
A 32-year-old woman comes to the physician for a follow-up exam Internal iliac
Block/Question(2.9 difficulty score)
A 45-year-old man comes to the physician for an initial ... Mitral regurgitation
Block/Question(4.0 difficulty score)
A 72-year-old woman comes to the physician because of diffuse ... Osteomalacia
An 18-year-old man is brought to the physician by his father ...
Inquiry about a history of anabolic steroid use