2011 - 5th Flashcards
A 56-year-old man develops acute ischemic stroke four hours ago. Which of the following statements is true regarding thrombolytic therapy for stroke?
A. tPA is the only agent available for this purpose
B. Recovery to normal neurological status is not a contraindication to the use of thrombolytic therapy
A. tPA is the only agent available for this purpose
tPA(altepase) had to be given within 3-4.5 hrs of onset and only after CT scanning had ruled out hemorrhagic stroke.
61-year-old man has a six-month history of dyspepsia without dysphagia or weight loss. Initially, his symptoms responded to antacids and H2-receptor antagonists but not any longer and have been ineffective for the past two months. Physical examination and laboratory investigations are normal. What is the appropriate next step in managing this patient?
* Upper endoscopy
* Eight-week trial of proton pump inhibitors * Serologic testing for Helicobacter pylori
- Upper endoscopy
Note: Patients older than 55 years of age and those with alarm symptoms of dysphagia, weight loss, hematemesis and melena presenting with dyspepsia or epigastric pain unresponsive to acid- suppression therapy require an endoscopic diagnosis and exclusion of cancer.
A 51-year-old lady with 10 year history of rheumatoid arthritis is scheduled for surgery to remove her gallbladder. Which of the following measures is compulsory before endotracheal intubation?
- X-ray of the cervical spine
Which of the following is an established cause of aplastic anemia?
* Vitamin B12 deficiency
* Systemic lupus erythematosus
* Fanconi syndrome
* Corticosteroid therapy
- Fanconi syndrome
32-year-old female was referred to a hematologist for a long-standing history of immune thrombocytopenia. The patient does not have any complaints or symptoms. The hematologist ordered few investigations, which later showed a platelet count of 51x109. How would this patient be further managed?
* Observation
* Prednisolone
* Intravenous immunoglobulin
* Splenectomy
- Observation
Note: Adults with platelet counts more than 50,000/mm3 do not require treatment. Treatment is indicated for adults with counts less than 50,000/mm3 and significant mucous membrane bleeding, for those with risk factors for bleeding, e.g. peptic ulcer disease, as well as for asymptomatic patients with a platelet count less than 20 - 30,000/mm3.
35-year-old man presents with history of acute onset of fever, productive cough and chest pain. On physical examination, respiratory rate was 22 breaths/min, and temperature was 39.5 Co. Percussion yielded a dull note posteriorly. Vocal tactile fremitus was increased, and bronchial breathing was heard as well. What is the likely diagnosis?
a. Consolidation
b. Pleural effusion
c. Pneumothorax
d. Asthma
a. Consolidation
15)A 21 year old male complains of dyspnea on exertion and occasionally, chest pain and dizziness .He has a sibling who recently passed away due to non investigated cardiac condition.Physical examination revealed jerky pulse and ejection systolic murmur. What is the best likely diagnosis?
A)Hypertrophic cardiomyopathy
B)Aortic stenosis
C)Pulmonary stenosis
A)Hypertrophic cardiomyopathy
Which of the following drugs can be used for migraine headache prophylaxis? A. Propranolol
B. Aspirin
C. Metochlopramide
D. Opioids
E. Sumatriptan
A. Propranolol
drugs of first choice for migraine prophylaxis
Betablockers
Metoprolol
Propranolol
Calcium channel blockers Flunarizine
Antiepileptic drugs Valproic acid
Topiramate
1)A 48 year old man presented to the casualty with severe retrosternal chest pain that radiates to his neck and arm .The pain persisted for many hours and was relieved by rest. The patient was nauseous and diaphoretic as well. His ECG is shown .Which of the following is likely to be found on physical examination?
Answer:Pan svstolic murmur best heard on the apex
Note:Myocardial infraction can be complicated by dysfunction or occasionally, rupture of the papillary muscle and hence, resulting in acute mitral regurgitation more commonly inferior MIs.
A 47-year-old woman developed acute interstitial nephritis and subsequent acute renal failure after she started taking NSAIDs for her back pain. Which of the following is expected to be seen in the urine?
a. Eosinophiluria
b. Pyuria
c. Calcium phosphate crystals
a. Eosinophiluria
Which of the following is accepted treatment combination for the management of hypertension?
A)Beta Blockers-Congestive heart failure
B)ACE inhibitors-Chronic kidney disease
A)Beta Blockers-Congestive heart failure
A 43-year-old woman developed progressive muscle weakness in her upper arms over the last six weeks. She has a difficulty getting out of chairs and climbing stairs. She has no muscle pain. On examination, she had a purplish rash that involves both eyelids. Scaly maculopapular rash was also noted on the knuckles. What is the name of the rash on her eyelids?
* Heliotrope rash (dermatomyositis)
* Gottron rash
* Shawl rash
* Malar rash
- Heliotrope rash (dermatomyositis)
A 36-year-old female has two-month history of weight gain. On physical examination, the patient had hirsutism, central obesity and purple abdominal striae. Blood pressure was 158/87 mmHg, and fasting blood glucose was elevated. An abdominal MRI showed an adrenal mass on the right side. What would be the best initial investigation to establish a diagnosis?
A. 24-hour urine free cortisol
A 66-year-old man complains of a headache and temporal tenderness. He has an ESR of 112. A prominent vessel was visible on the patient’s temple and is tender to palpation. How can the diagnosis of giant cell arteritis be confirmed?
* Temporal artery biopsy
* Angiography
* CT scan of the head
- Temporal artery biopsy
A 71-year-old man was brought to the hospital after feeling dizzy and fainting. Physical examination detected the presence of multiple palpable lymph nodes in the neck, axillae and groin regions. In addition, splenomegaly was present. Laboratory investigations showed high WBC count while blood smear showed mature lymphocytes and smudge cells. Which of the following can occur in the setting of this patient’s condition?
- Autoimmune hemolytic anemia
A 49-year-old woman has a history of joint pain and morning stiffness for four months. Examination reveals swelling of the wrists and MCPs. Which of the following can be used to monitor the activity of rheumatoid arthritis?
* C-RP
* Rheumatoid factor
* Complement level
- C-RP
A 52-year-old female develops rapidly progressive renal failure with very high serum creatinine. She has a history of hepatitis C infection. Digital infarcts were noted on physical examination. Which of the following is a likely diagnosis in this patient?
a. Cryoglobulinemia
b. Systemic sclerosis
c. Hepatorenal syndrome
a. Cryoglobulinemia
- Hepatitis C infection associated with cryoglobulinemia
According to the most recent guidelines for thrombolytic treatment of stroke, what is the time window from the onset of symptoms that allows administration of tPA for ischemic stroke?
3 to 4.5 hours
A 53-year-old man comes to the pulmonology clinic. He states that he has been feeling short of breath when climbing stairs. His dyspnea is accompanied by a cough that is non-productive. Pulmonary function tests revealed a low FEV1, low FVC, normal FEV1/FVC ratio and low TLC. Which of the following confirms a diagnosis of restrictive lung disease?
a. Low TLC
b. Low FEV1
c. Low FVC
d. Normal FEV1/FVC ratio
a. Low TLC
A 66-year-old male patient was evaluated for constipation that he has been having for many months. Barium enema of the colon was performed and revealed a lesion with an apple-core appearance. What is the likely diagnosis?
* Colon cancer
* Irritable bowel syndrome
* Inflammatory bowel disease
* Diverticular disease
Colon cancer
A 37-year-old patient complains of episodes of palpitations and excessive
sweating. He also reports occasional headaches. He says that standing up from a sitting or supine position would leave him dizzy for a short time. Which of the following mediators is responsible for the symptomatology of this patient?
A. Aldosterone
B. Serotonin
C. Cortisol
D. Epinephrine
D. Epinephrine
A 43-year-old man was found in the ward to have a high potassium level (K = 6.1 mmol/L). An ECG was performed and is shown below. Which of the following measures should be immediately taken?
Administration of IV calcium gluconate
Note: Severe hyperkalemia (> 6.5 mmol/L) or hyperkalemia (> 6 mmol/L) with ECG changes is a medical emergency that warrants immediate treatment.
A Patient was diagnosed with Dermatomyositis. What is the name of the rash on her
eyelids?
A. Heliotrope
B. V sign
C. Shawl sign
D. Rosacea
A. Heliotrope
In Tuberculosis Meningitis the Cerebral Spinal fluid will have?
A. Low Protein
B. High Protein
C. Lowglucose
D. Turbid appearance
B. High Protein
A 66-year-old man underwent coronary angiography to evaluate his ischemic heart disease. A couple of days later, his urinary output decreases dramatically. Which of the following is a likely finding in contrast-induced nephropathy?
a. Increase in urine osmolarity b. Proteinuria
c. Hematuria
d. Eosinophiluria
a. Increase in urine osmolarity
Note: Contrast-induced nephropathy is defined as an increase in serum creatinine within 48 to 72 hours of intravenous contrast administration. Urine osmolarity tends to be less than 350 mOsm/Kg. Although it is a form of acute tubular necrosis, the urinary lab values are an exception from the other forms of ATN. Contrast causes spasm of the afferent arteriole, leading to renal tubular dysfunction and increased reabsorption of sodium and water. This causes a marked increase in specific gravity and hence urine osmolarity.
9)A middle aged male patient with a history of coronary artery disease reports a crushing retrosternal chest pain .On physical examination, a pan systolic murmur was heard at the apex with a soft first heart sound. Which of the following is the least likely mechanism of the murmur heard?
A)Commissural fusion of the mitral leaflets
B)Rupture of papillary muscle
C)Rupture of the interventricular septum
D)Dilatation of the mitral valve ring
E)Rupture of the chordae tendinae
A)Commissural fusion of the mitral leaflets
A 52-year-old man develops a scaly rash and polyarticular pain. What musculoskeletal manifestation is this patient likely to have?
* Enthesitis
* Proximal myopathy
* Palpable osteophytes
* Subcutaneous nodules
- Enthesitis
Which of the following would distinguish diabetic retinopathy from hypertensive retinopathy?
A. Microaneurysms
B. acular stars
C. Hard exudates
D. Flame-shaped hemorrhages \
A. Microaneurysms
Note: Macular stars and hard exudates can be detected in both diabetic and hypertensive retinopathies while flame-shaped hemorrhages are found in hypertensive retinopathy. On the other hand, diabetic retinopathy is marked by the presence of microaneursysms.
A 57-year-old woman presents with a wheezing chest. On physical examination, palpable purpura were present on her lower limbs. Laboratory investigations reveal eosinophilia. What is the diagnosis?
a. Churg-Strauss syndrome
b. Cryoglobulinemia
c. Helminthic infection
d. Henöch-Schonlein purpura
a. Churg-Strauss syndrome
A 21-year-old man underwent a routine check-up before getting into the military academy. He was incidentally found to have a slightly elevated level of unconjugated bilirubin. He was previously known to have a benign liver disease in childhood. What is the likely cause of his elevated bilirubin?
* Gilbert syndrome
* Crigler-Najjar syndrome
* Cystic fibrosis
* Alpha1-antitrypsin deficiency
- Gilbert syndrome
Pregnant lady came back from India with LFT 1000. What is the most likely
diagnosis?
A. Hepatitis B
B. HepatitisD
C. HepatitisC
D. Hepatitis E
D. Hepatitis E
A 53-year-old female presents with history of constipation that she has been having for months. She also reported a fractured wrist after falling on on her arm. Further investigations revealed bilateral kidney stones that the patient was asymptomatic for, but she did recall spontaneously passing small stones in urine during the past year. The laboratory tests showed a high calcium and low phosphate levels. What investigation would further confirm the diagnosis?
A. Intact PTH level
B. Urine calcium concentration
A. Intact PTH level
What is the most common Pathogen to cause Meningitis in Adults?
A. Neisseria Meningitidis
B. HemophilusInfluenza
C. StreptococcusAgalactiae
D. Streptococcus Pneumonia
D. Streptococcus Pneumonia
A couple who both have thalassemia trait came to the premarital screening clinic. They are worried that their future children might have thalassemia. What percentage of their offspring will have the disease?
a. 25%
b. 50%
c. 75%
d. 100%
a. 25%
A 48-year-old man who is a known case of cirrhosis presents with ascites and pitting sacral and lower limb edema. What is the initial step in the management of this patient’s ascites?
* Abdominal paracentesis
* Spironolactone and dietary sodium restriction
* Furosemide
* Transjugular intrahepatic portosystemic shunt
* Intravenous infusion of albumin
- Abdominal paracentesis
Note: Guidelines from the American association for the study of liver diseases for management of adult patients with ascites due to cirrhosis advocate diagnostic paracentesis in all patients with clinically apparent new-onset ascites.
A 71-year-old woman has a history of back pain. Spine imaging showed a compression fracture in the thoracic spine. Further investigations showed a low serum calcium level, low serum phosphate level, high parathyroid hormone level and high alkaline phosphatase. Which of the following would be the likely etiology of this patient’s condition?
A. Vitamin D deficiency
B. Hyperparathyroidism
B. Hyperparathyroidism
A 63-year-old woman has a six-month history of chronic sinusitis and epistaxis. Her serum creatinine has increased from 110 mg/L to 270 mg/L over the past three weeks. Urinalysis shows proteinuria and hematuria. She is positive for c-ANCA. What is the diagnosis?
a. Wegner’s granulomatosis
b. Goodpasture’s syndrome
c. Churg-Strauss syndrome
a. Wegner’s granulomatosis
-Patient with Wegner’s syndrome presented with sinusitis and epistaxis together with the granulomatosis
-Patient with Chug Strauss syndrome presented with asthma, lung infiltration, peripheral neuropathy, purpuric rash, and eosinophilia
Maid with itchy bullae on her hand that’s oozing after cleaning the house. She was diagnosed with contact dermatitis. What is the treatment in the bullous, oozing stage?
A. wet press
B. topicalantibiotics
C. topicalanalgesics
D. systemic antibiotics
E. systemic steroids
A. wet press
A 25-year-old man with a long history of chronic intermittent bloody diarrhea presents with one-week history of exacerbating symptoms. Over the last 24 hours, the severity of diarrhea has decreased, but he now complains of abdominal pain and distention. On physical examination, the patient is extremely ill and pale, abdomen is distended, tympanic to percussion and diffusely tender. His vital signs are as follows: blood pressure 93/60 mmHg, heart rate 113/min, respiratory rate 18 breaths/min and temperature 37.9 Co. His abdominal x-ray is shown. Which of the following is the treatment of choice for the management of this patient?
* IV hydrocortisone administered 6 hourly
* Oral steroids
* Oral metronidazole
* Oral azathioprine
- IV hydrocortisone administered 6 hourly
A 44-year-old man is known to have progressive exertional dyspnea and dry cough for the past year. Physical examination shows reduced chest expansion bilaterally with inspiratory crackles heard over the bases. Pulmonary function tests showed a low FEV1, ow FVC, normal FEV1/FVC ratio and low TLC. What is the pathophysiology that underlies this patient’s condition?
a. Low lung compliance
b. Increased lung compliance
c. Airway narrowing
d. External compression of the lungs
a. Low lung compliance
Which of the following is not found in myasthenia gravis? A. Respiratory failure
B. Ocular symptoms
C. Antibodies against acetylcholine receptor
D. Presynaptic antibodies
D. Presynaptic antibodies
MG is an autoimmune disease of the NMJ caused by Ab that attack components of
the postsynaptic membrane, impair neuromuscular transmission, and lead to
weakness and fatigue of skeletal muscle
19)A 13 year old boy complains of a tender right wrist joint .Few days later, the left wrist and right ankle were tender instead.The boy says even putting his clothes on could elicit severe pain if his joints were lightly touched. His mother says he had a bout of tonsillitis few weeks back that resolved upon treatment. The boy had a fever as well ,and the lab investigations revealed high ESR and CRP. Which of the following will confirm the presence of rheumatic fever?
A)generalized popular rash
B)Polyarthritis
B)Polyarthritis
A 46-year-old woman has a history of jaundice and pruritus. Laboratory investigations revealed dramatically elevated levels of alkaline phosphatase but mildly elevated ALT and AST. Which of the following serological markers is likely to be present in this patient?
* Anti-mitochondrial antibodies
* Antinuclear antibodies
* Anti-smooth muscle antibodies
* Anti-liver/kidney microsomal antibodies
- Anti-mitochondrial antibodies
A 48-year-old man has uncontrolled hypertension despite being on multiple drug
regimens. On one visit, his blood pressure was 174/95 mmHg. On further investigations, he was found to have low serum potassium level. Head imaging revealed a small infarct in the right cerebral hemisphere. Which of the following states would best explain this patient’s presentation?
A. Hyperaldosteronism
B. Increased intracranial pressure
A. Hyperaldosteronism
A 23-year-old female developed rapidly progressive renal failure. What is a bad prognostic sign that indicates a deteriorating condition?
a. Oliguria
b. Proteinuria c. Hematuria
a. Oliguria
A 48-year-old man presents with severe pain and swelling of his right big toe. On examination, the first metatarsophalangeal joint was erythematous, hot and tender to palpation. What is the likely diagnosis?
* Gouty arthritis
* Osteoarthritis
* Systemic lupus erythematosus
- Gouty arthritis
A 38-year-old female was referred to a rheumatologist with active rheumatoid arthritis in more than 20 joints. Plain radiographs of her hands show erosions of the PIPs and MCPs. She denies history of hepatitis B or C infections. What treatment should this patient be started on?
* Methotrexate (the drug of choice of RA)
* Cyclophosphamide
* Cyclosporine
* Aminoslalicylic acid
- Methotrexate (the drug of choice of RA)
A 38-year-old man with 12 year history of rheumatoid arthritis was found to have very high levels of rheumatoid factor. He also has high ESR and C- RP. Which of the following extra-articular manifestations is expected to be present in this patient?
- Interstitial lung disease
Note: Seropositive rheumatoid arthritis, i.e. for anti-CCP and RF, is associated with more erosive joint disease and extra-articular manifestations than its seronegative counterpart.
A 38-year-old male patient presents with history of headaches. Occasionally, he also reports nausea and vomiting as well as photophobia. However, rhinorrhea and sweating were not experienced. Neurological examination and fundoscopy reveals papilledema. No scalp tenderness or palpable vessels were noted. What is an alarming sign in this patient’s clinical presentation?
A. Papilledema B. His age
C. Photophobia
A. Papilledema
MSD Dr Suhail ‘headaches’
Red flags for secondary headaches SNOOP4 Systemic signs and symptoms
Neurological finding in examination
Older than 50 y/o
Postural headache
Precipitation of headache with valsava Progression of headache
Presence of papilledema
A 45-year-old healthy woman has a BMI of 31. On a regular check-up, she was found to have high blood sugar, high ALT, AST and ALP. She is otherwise asymptomatic. What is the likely diagnosis?
* Non-alcoholic steatohepatitis
* Obstructive jaundice
* Autoimmune hepatitis * Viral hepatitis
- Non-alcoholic steatohepatitis
A 19-year-old previously healthy male says that he started to experience right-sided chest pain and cough three days ago after playing football. He denies any trauma during the match. He said that he hadn’t played football for two years before this time. The pain increases when he sleeps on the right side, he says. On physical examination, breath sounds were
decreased on the right side. What is the diagnosis with respect to this patient’s presentation?
a. Pneumothorax
b. Collapse
c. Pulmonary embolism
d. Consolidation
e. Muscle strain
a. Pneumothorax
A type 1 diabetes mellitus patient was brought by her parents to the casualty where she was identified as a case of diabetic ketoacidosis. Her electrolyte and ABG profile showed low serum sodium level, high serum potassium level, low pH, low serum bicarbonate and positive urine ketones. Which of the following is true regarding this patient’s condition?
A. Serum potassium level will self-correct as soon as fluids are started
B. Serum potassium level will drop upon starting the infusion of IV fluids
B. Serum potassium level will drop upon starting the infusion of IV fluids
A mother brought her 10-year-old child to the physician for recent onset of symptoms. She says that her child suddenly becomes short of breath and expectorates yellowish sputum multiple times during the last two months. He becomes feverish as well, his mother says. However, he is now asymptomatic. The physician suspects bronchial asthma. What test would be used to confirm the diagnosis of asthma?
a. Methacholine challenge test
b. Allergy skin prick testing
c. Chest radiography
d. Spirometry pre- and post-bronchodilator therapy
a. Methacholine challenge test
Note: Bronchoprovocation testing with methacholine or histamine is
useful when spirometry findings are normal or near normal especially in patients with intermittent or exercise-induced asthma symptoms. A
negative test result usually excludes the diagnosis of asthma.
A 33-year-old woman with a known history of systemic lupus erythematous presents with recent onset of fatigue, dizziness, pallor and jaundice. She has polyartharlgia as well. Laboratory investigations revealed a low hemoglobin level. Which of the following tests is appropriate to confirm the cause of her presentation?
* Direct and indirect Coombs test
* Bone marrow aspiration
* Osmotic fragility test
- Direct and indirect Coombs test
A 24-year-old woman presents with a photosensitive butterfly rash, arthralgia, oral ulcers and pleuritic chest pain over several months. She also has a low-grade fever. Which of the following are likely to be found in this patient?
* Antinuclear antibodies
* High complement levels
* Low C-RP level
- Antinuclear antibodies
An elderly female was admitted to the hospital for pneumonia. She has a history of hypothyroidism, which caused her to feel depressed most of the time and gain weight. While in the hospital, the nurse noticed that the patient was passing large amounts of urine. Which of the following would be least likely to have caused her polyuria?
A. SIADH
B. Diabetes insipidus
C. Diabetes mellitus
A. SIADH
A 39-year-old woman presents to the gastroenterology OPD complaining of chronic abdominal pain for the past five years. She says that the pain is all over her abdomen and is intermittent in nature. Most of the time, it is accompanied with episodes of constipation and relieved with defecation. She denies any rectal bleeding, and her weight is stable over the past few years. Her laboratory tests are all within normal ranges. A colonoscopy and upper endoscopy were done one year ago and were normal. Which of the following is most appropriate regarding the management of this patient at this time?
* Reassurance
* Computed tomography of the abdomen
* Repeat colonoscopy * Repeat upper endoscopy
* Abdominal ultrasound
- Reassurance
ote: Diagnostic criteria for irritable bowel syndrome state that, in the preceding three months, the patient should have three days per month of recurrent abdominal pain or discomfort associated with two or more of the following: 1. Improvement with defecation. 2. Onset associated with a change in frequency or 3. in form of stool. A positive diagnosis of IBS with an explanation of symptoms and reassurance is often helpful and may require no further treatment.
A 64-year-old obese lady complains of pain in her left knee and morning stiffness that lasts about 15 minutes. Plain radiograph of her knee shows osteophytes and joint space narrowing. What is the diagnosis?
* Osteoarthritis
* Rheumatoid arthritis
* Pseudogout
* Septic arthritis
- Osteoarthritis
5)An 18 year old female complains of dyspnea on exertion. Her ECG is shown .Which is likely to be found on auscultation of the heart?
A)Loud P2
B)Pan svstolic murmur at the apex
C)S3 gallop
D)Soft SI
A)Loud P2
The ECG depicts a pattern of right ventricular strain :ST depression and a T wave inversion in the leads facing the right ventricle ,.e.VI-V3 .This pattern is seen in right ventricular hypertrophy, one cause of which being pulmonary hypertension and hence, loud P2.
A 25-year-old man presented with one month history of left pleuritic chest pain with progressive shortness of breath and dry cough. He now has a fever as well. Upon examining the patient, dullness was present over the left lung base posteriorly with bronchial breathing in the mid-chest area. Vocal fremitus was judged normal. What is the diagnosis according to this presentation?
a. Pleural effusion b. Consolidation
a. Pleural effusion
Note: The vignette described in the question stem was derived from the PBL session on pleural effusion.