A 30-year old man presents to the emergency room with an acute onset of severe, colicky left flank pain, with radiation of the pain down the abdomen into the groin. He has increased frequency of urination and dysuria. Physical examination shows tenderness in the left costovertebral angle. Urinalysis shows positive dipstick for blood. Sediment examination confirms the presence of hematuria.
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QUESTION 1.1
The most common metabolic abnormality associated with this patient's disease is:
Hypercalciuria
Increase urine citrate
Hyperuricemia
Alkaline urine pH
Distal renal tubular acidosis
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A 65-year-old woman presents to the emergency room with a distended, diffusely painful abdomen. She has not had any bowel movements or passed gas for the past 3 days. An abdominal x-ray reveals distended loops of the small bowel with a stepladder pattern of differential air-fluid levels.
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QUESTION 2.1
The mechanism that most likely produced these findings is
Ischemia secondary thrombosis of the superior mesenteric artery
Adhesions from previous surgery
Torsion of the bowel around the mesenteric root
Intussusception of the terminal ileum into the cecum
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A 58-year-old man with a 20 pack history of smoking is being evaluated for a coronary artery bypass graft.
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QUESTION 3.1
The best preoperative screen of pulmonary function for this patient would be:
Arterial pH
Arterial carbon dioxide tension (PCO2)
Arterial oxygen tension (PO2)
Forced expiratory volume in 1 second/forced vital capacity (FEV1/FVC) ratio
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Specialized Vaccines
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QUESTION 4.1
All the following statements concerning specialized vaccines are true EXCEPT:
Haemophilus influenza B vaccine is recommended for those patients with recurrent otitis media or a history of acute epiglottitis.
Influenza vaccine is not recommended for normal children.
Pnuemococcal vaccine should be administered, after 2 years of age, to those children who have functional or anatomic aspenia (e.g.sickle cell disease).
It is generally recommended that all newborns be immunized with hepatitus B virus (HBV) vaccine.
Newborns of mothers carrying HBV antigen should receive hepatitus B immune globulin at birth and should be actively immunized with HBV vaccine.
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Pediatrics
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QUESTION 5.1
A 12-month-old child presents with iron deficiency anemia and a history of rectal bleeding unassociated with pain. Which diagnosis is the most likely in this patient?
Intussusception
Duodenal ulcer
Angiodysplasia
Meckel's diverticulum
Ulcerative colitis
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Cause and Effect
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QUESTION 6.1
Which combination suggests "cause and effect "?
Aluminum Toxicity---parkinsonism
Carbon monoxide---Huntington's disease
Head Trauma---multiple sclerosis
Genetic Trait---infantile spasms
Preceding viral illness---Guillain-Barre syndrome
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Diabetic Ketoacidosis
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QUESTION 7.1
A patient with diabetic ketoacidosis (DKA) is being treated with insulin. During therapy, the patient develops respiratory paralysis requiring intubation and assisted ventilation. What is the mechanism for the patient's respiratory failure?
An anaphylactic reaction against insulin
Glucose toxicity
Ketoacidosis
Hypophosphatemia
Hyperkalemia
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Diptheria-Tetanus-Pertussis
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QUESTION 8.1
If convulsions follow after administering a diphtheria-tetanus-pertussis (DTP) vaccine, which procedure is recommended for future immunizations?
Leave out the diphtheria component of the vaccine, and give pertussis and tetanus on the next immunization.
Leave out the tetanus component of the vaccine, and give diphtheria toxoid alone on the next immunization.
Leave out the tetanus and pertussis components of the vaccine, and give diphtheria toxoid alone on the next immunization
Leave out the pertussis component of the vaccine, and give diphtheria-tetanus toxoid on the next immunization
Give DPT again on the next immunization
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Fractures
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QUESTION 9.1
The potential loss of blood from a closed fracture is greatest in fractures of the:
Humerus
Tibia and fibula
Pelvis
Spine
Femur
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Statistical Tests
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QUESTION 10.1
Which statistical test would be most appropriate for assessing the difference in age among three groups of patients?
Student's t-test
Analysis of variance
Correlation coefficient
Chi-squared test
Logistic regression
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Fistulas
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QUESTION 11.1
The most common fistula in the gastrointestinal tract usually results from:
Crohn's disease
Ulcerative colitis
Diverticular disease
Childbirth
Peptic ulcer surgery
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Complications Associated With Cartoid Endarterectomy
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QUESTION 12.1
A 65-year-old man dies within 24 hours of a cartoid endarterectomy. The most likely cause of death is:
An embolic stroke
Pulmonary embolism
Air embolism
Acute myocardial infarction
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Sexual Issues
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QUESTION 13.1
A 40-year-old, happily married man sometimes fantasizes that his wife is wearing high-heeled shoes when they have sex. The best description for this man is:
Exhibitionism
Fetishism
Frotteurism
Voyeurism
Normal
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Cognitive Disorders
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QUESTION 14.1
A highly anxious woman complains of seeing gruesome murders committed in alleyways all over the city and believes that her landlord is pumping poisonous gas into her apartment. Which condition is causing her symptoms?
Dementia
Obsessive-compulsive disorder
Panic disorder
Posttraumatic stress disorder
Generalized anxiety disorder
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Disturbed Recall
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QUESTION 15.1
Disturbed recall is an essential feature of:
Organic psychosis
Conversion disorder
Dissociative fugue
Major depression
Delirium
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Elderly Patients
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QUESTION 16.1
All of the following are considered normal in a 75-year-old man EXCEPT:
Mild glucose intolerance
Increased serum alkaline phosphatase
Increased autoantibody production
Decreased creatinine clearance
Slight increase in hemoglobin concentration
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A 43-year-old patient with end-stage renal disease has the above electrocardiogram (ECG):
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QUESTION 17.1
For specifically reversing the effect on the cardiac muscle in this patient, the physician should administer:
Sodium bicarbonate
Furosemide
Calcium gluconate
Glucose plus insulin
A cation-exchange resin
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A 28-year-old female secretary has the onset of insomnia, irritability, increased psychomotor activity, and impulsivity.
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QUESTION 18.1
This combination suggests:
Psychosis
Antisocial traits
Mania
Anxiety
Depression
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A 21-year-old woman presents with complaints of painful intercourse on vaginal entry since she got married, as a virgin, 1 month ago.
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QUESTION 19.1
Which condition is the most likely cause of her pain?
Narrow hymen
Psychogenic problem
Endometriosis
Pelvic inflammatory disease (PID)
Atrophic vaginitis
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Accidents tend to occur within certain age groups.
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QUESTION 20.1
All of the following pairings of accidents with the most common age-group in which they occur are accurate EXCEPT:
Suffocation-6 months old
Baby-walker injury-1 year old
Drowning in a swimming pool-2 years old
Pedestrial injury-6 years old
Accidental poisoning-7 years old
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