Myanmar Medical Licence Examination (မြန်မာနိုင်ငံဆေးကောင်စီ — MMLE)

In the laboratory diagnosis of malaria in an endemic area of Myanmar, what is the primary diagnostic purpose of examining a thick blood film compared to a thin blood film?

• AThe thick film concentrates red blood cells and parasites to provide high diagnostic sens…
• BThe thick film preserves red blood cell morphology to permit precise parasite species ide…
• CThe thick film is used exclusively to quantify the percentage of infected red blood cells.
• DThe thick film allows rapid differential staining of gametocytes while lysing all asexual…

A 48-year-old man presents to the outpatient clinic with high fever, productive cough with rust-colored sputum, and right-sided pleuritic chest pain. Chest radiography reveals right middle lobe consolidation. What is the most common causative bacterial pathogen in community-acquired pneumonia in adults?

• AKlebsiella pneumoniae
• BStreptococcus pneumoniae
• CMycoplasma pneumoniae
• DPseudomonas aeruginosa

According to World Health Organization (WHO) and international diagnostic criteria, which laboratory value is diagnostic of diabetes mellitus in an asymptomatic non-pregnant adult when confirmed on repeat testing?

• AFasting plasma glucose >= 126 mg/dL (7.0 mmol/L)
• BTwo-hour post-load glucose >= 140 mg/dL (7.8 mmol/L) on an oral glucose tolerance test
• CFasting plasma glucose >= 100 mg/dL (5.6 mmol/L) but < 126 mg/dL
• DRandom venous plasma glucose >= 160 mg/dL without symptoms

A 52-year-old non-diabetic patient has persistent clinic blood pressure measurements averaging 154/96 mmHg despite lifestyle modification. Which medication class is an accepted first-line option for uncomplicated hypertension when there is no contraindication?

• ABeta-blocker (such as Atenolol)
• BAlpha-1 receptor blocker (such as Doxazosin)
• CAngiotensin-converting enzyme (ACE) inhibitor (such as Enalapril)
• DLoop diuretic (such as Furosemide)

A 35-year-old man presents with chronic productive cough, fever, night sweats, and weight loss. Which WHO-recommended rapid molecular test can detect Mycobacterium tuberculosis and rifampicin resistance?

• ATuberculin skin test (Mantoux test)
• BGeneXpert MTB/RIF automated nucleic acid amplification assay
• CSerum antibody enzyme-linked immunosorbent assay (ELISA)
• DErythrocyte sedimentation rate (ESR)

A 60-year-old man arrives at the emergency department complaining of crushing retrosternal chest pain radiating to his left jaw that started 1 hour ago. What classic electrocardiographic finding confirms an acute ST-elevation myocardial infarction (STEMI)?

• APR segment depression across all precordial leads
• BSymmetrical deep T-wave inversion in leads V1 to V3 without ST displacement
• CIsolated peaked T waves exceeding 10 mm in limb leads
• DNew ST-segment elevation at the J-point in at least two anatomically contiguous leads

In the clinical course of dengue virus infection, at what specific point does the critical phase—characterized by plasma leakage and potential hypovolemic shock—typically manifest?

• AAround the time of defervescence (temperature drops to normal), typically between illness…
• BWithin the first 24 hours of fever onset
• CAfter the development of generalized confluent purpura at day 14
• DDuring the convalescent phase following diuresis at day 10

A 21-year-old university student develops periumbilical abdominal pain that migrates to the right lower quadrant over 12 hours, accompanied by anorexia and low-grade fever. On physical examination, maximal tenderness is elicited at McBurney's point. Where is McBurney's point located anatomically?

• AMidway between the xiphoid process and the umbilicus
• BAt the intersection of the lateral border of the rectus abdominis and the right costal ma…
• COne-third of the distance from the anterior superior iliac spine to the umbilicus
• DTwo inches directly superior to the pubic symphysis in the midline

A 26-year-old motor vehicle collision victim presents with severe respiratory distress, cyanosis, tracheal deviation to the right, absent breath sounds on the left, and a blood pressure of 70/40 mmHg. What is the immediate life-saving intervention?

• AImmediate needle decompression of the left hemithorax
• BEmergency endotracheal intubation followed by high-pressure bag ventilation
• CTransfer to the radiology suite for an urgent helical computed tomography scan
• DAdministration of 2 liters of normal saline bolus through two large-bore IVs

In the initial resuscitation of a trauma patient experiencing hemorrhagic hypovolemic shock, which intravenous fluid solution is recommended for immediate volume expansion while blood products are being prepared?

• A5% Dextrose in water (D5W)
• BA limited volume of isotonic crystalloid, preferably a balanced solution such as Ringer's…
• C6% Hydroxyethyl starch (synthetic colloid)
• DSterile distilled water

A 40-year-old agricultural laborer sustains a deep laceration on his foot contaminated with soil. He has never received any tetanus vaccinations in his lifetime. What is the recommended tetanus prophylaxis protocol for this dirty, high-risk wound?

• AWound debridement alone without any biological administration
• BTetanus toxoid vaccine only, with a second dose in 4 weeks
• CTetanus immunoglobulin (TIG) only, without active vaccine
• DBoth tetanus toxoid vaccine and tetanus immunoglobulin administered at separate anatomica…

A 55-year-old woman with a history of prior lower abdominal surgery presents to the surgical ward. Which classic tetrad of symptoms indicates acute mechanical small bowel obstruction?

• AColicky abdominal pain, vomiting, abdominal distension, and obstipation
• BConstant epigastric pain, watery diarrhea, jaundice, and hematuria
• CRight iliac fossa tenderness, painful urination, vaginal discharge, and menorrhagia
• DGeneralized pruritus, clay-colored stools, dark urine, and massive splenomegaly

In the assessment of acute head injury using the Glasgow Coma Scale (GCS), what three distinct neurological components are evaluated to yield the composite score?

• APupillary reactivity, limb strength, and tendon reflexes
• BEye opening, verbal response, and motor response
• CRespiratory rate, systolic blood pressure, and conscious state
• DCranial nerve function, sensory level, and plantar response

Active Management of the Third Stage of Labor (AMTSL) is universally recommended to prevent postpartum hemorrhage. Which intervention constitutes the primary and most critical pharmacological component of AMTSL?

• AIntravenous infusion of broad-spectrum ampicillin
• BOral administration of 1,000 mg tranexamic acid prior to crowning
• CAdministration of 10 IU of intramuscular oxytocin immediately after delivery of the baby
• DIntramuscular injection of 0.2 mg ergometrine prior to delivery of the anterior shoulder

A 24-year-old primigravida at 32 weeks of gestation attends routine antenatal care. Her blood pressure is 148/94 mmHg on two readings 4 hours apart, and urine dipstick reveals 2+ proteinuria. She has no headache or visual disturbance. What is the clinical diagnosis?

• APreeclampsia
• BChronic essential hypertension
• CGestational hypertension
• DEclampsia

A 28-year-old woman presents to the emergency room with sharp right iliac fossa pain and dark brown vaginal spotting. Her last menstrual period was 7 weeks ago. A urine pregnancy test is positive. What classic clinical triad should immediately alert the clinician to a suspected ectopic pregnancy?

• AFever, purulent cervical discharge, and adnexal tenderness
• BSevere morning sickness, hyperreflexia, and massive pedal edema
• CPainless bright red bleeding, high presenting part, and soft non-tender uterus
• DAmenorrhea, lower abdominal/pelvic pain, and abnormal vaginal bleeding

A 22-year-old woman requests oral emergency contraception following condom failure 96 hours ago. Which statement about levonorgestrel 1.5 mg is most accurate under WHO guidance?

• AIt is effective only during the first 12 hours
• BIt may be used within 120 hours, but should be taken as early as possible because efficac…
• CIt should be withheld because all oral emergency contraception is ineffective after 72 ho…
• DIt remains equally effective for 14 days

Visual inspection with acetic acid (VIA) is widely implemented in low-resource primary care clinics in Southeast Asia for cervical cancer screening. What visual change observed 1 minute after applying 3% to 5% dilute acetic acid to the cervix indicates a positive screening test?

• AA well-demarcated, opaque acetowhite lesion on the transformation zone near the squamocol…
• BUniform diffuse mahogany-brown staining of the entire ectocervix
• CIntense bright red mucosal ulceration with active bleeding
• DAppearance of small translucent nabothian retention cysts

By international convention and WHO definition, what volume of blood loss following a vaginal birth constitutes primary postpartum hemorrhage (PPH)?

• ACumulative blood loss exceeding 100 mL within 6 hours
• BCumulative blood loss exceeding 250 mL within 12 hours
• CCumulative blood loss of 500 mL or more within 24 hours of delivery
• DCumulative blood loss exceeding 1,500 mL only

A newborn infant is delivered at 39 weeks gestation. The baby is limp, cyanotic, and not breathing spontaneously. What is the immediate first action in the standard neonatal resuscitation algorithm?

• AAdminister 0.1 mg/kg intravenous adrenaline (epinephrine)
• BProvide warmth, dry the infant, position the head to open the airway, and stimulate breat…
• CInitiate immediate external cardiac compressions at 120 per minute
• DPerform immediate needle thoracostomy in the right chest

Why does the standard WHO low-osmolarity Oral Rehydration Salts (ORS) formulation contain glucose alongside sodium and other electrolytes?

• AGlucose utilizes the intact sodium-glucose cotransporter (SGLT-1) in the intestinal brush…
• BGlucose acts solely as a sweetening agent to improve palatability for young pediatric pat…
• CGlucose suppresses intestinal hypersecretion by inhibiting adenylate cyclase activity in…
• DGlucose destroys cholera vibrios and enterotoxigenic Escherichia coli through osmotic lys…

Why does the World Health Organization recommend routine high-dose Vitamin A supplementation for all children diagnosed with clinical measles in developing countries?

• AVitamin A acts as a direct virostatic agent against the measles paramyxovirus.
• BVitamin A prevents bacterial colonization by directly sterilizing the nasopharynx.
• CVitamin A stimulates rapid hepatic clearance of the measles exanthem within 6 hours.
• DVitamin A restores depleted mucosal immune defenses, significantly reducing measles-assoc…

What is the global public health recommendation from the World Health Organization and UNICEF regarding the duration of exclusive breastfeeding for infants?

• AExclusive breastfeeding for the first 3 months, followed by animal milk supplementation
• BExclusive breastfeeding for the first 6 months of life, with no other liquids or solids
• CExclusive breastfeeding for the first 12 months with absolute avoidance of all complement…
• DFormula feeding alternating with breast milk starting at 2 weeks of age

In an IMCI assessment of a child with acute diarrhoea, which finding is one of the severe-dehydration signs and must be combined with at least one other severe-dehydration sign to make that classification?

• ASkin pinch on the abdomen goes back very slowly (longer than 2 seconds)
• BChild is restless and irritable but drinks eagerly when offered fluids
• CSkin pinch goes back slowly (less than 2 seconds)
• DMoist mucous membranes with normal tear production

According to Myanmar's Expanded Programme on Immunization schedule, which two routine vaccines are scheduled at birth or beginning in the birth period?

• AMeasles-Rubella (MR) and Inactivated Polio Vaccine (IPV)
• BPneumococcal Conjugate Vaccine (PCV) and Rotavirus vaccine
• CBacille Calmette-Guérin (BCG) and Hepatitis B birth dose
• DDTP-HepB-Hib pentavalent vaccine and Oral Polio Vaccine dose 1

A 19-year-old woman is brought to the emergency department 4 hours after intentionally ingesting 30 tablets of 500 mg paracetamol (acetaminophen). What is the specific antidote that must be administered to prevent fatal centrilobular hepatic necrosis?

• ADeferoxamine
• BN-acetylcysteine (NAC)
• CFlumazenil
• DAtropine sulfate

A 30-year-old nurse develops generalized urticaria, facial angioedema, inspiratory stridor, and severe bronchospasm 5 minutes after an intramuscular injection of ampicillin. Her blood pressure drops to 75/40 mmHg. What is the immediate first-line drug of choice?

• AIntramuscular adrenaline (epinephrine) 1:1,000 (0.5 mg) into the anterolateral thigh
• BIntravenous hydrocortisone 100 mg
• COral cetirizine 10 mg
• DSubcutaneous atropine 1 mg

In an extreme medical emergency involving catastrophic exsanguination where there is no time for blood grouping or crossmatching, which blood product type is administered as universal red blood cells?

• AGroup AB Rh-positive packed red blood cells
• BGroup A Rh-negative whole blood
• CGroup B Rh-positive packed red blood cells
• DGroup O Rh-negative packed red blood cells

Under the internationally recognized Beauchamp and Childress framework of biomedical ethics, which ethical principle asserts the patient's moral right to self-determination and the freedom to make independent healthcare decisions?

• ABeneficence
• BNon-maleficence
• CAutonomy
• DDistributive justice

Medical confidentiality is a cornerstone of the physician-patient relationship under the Myanmar Medical Council Code of Ethics. In which scenario is a registered medical practitioner legally and ethically justified in disclosing confidential patient information without the patient's explicit consent?

• AMandatory statutory notification of a communicable disease of public health significance…
• BInformal telephone request by the patient's workplace employer regarding employee fitness
• CInquiry by an commercial insurance company agent seeking underwriting details
• DCuriosity expressed by the patient's neighbors during a home visit

A 28-year-old forestry worker in central Myanmar presents with high fever, jaundice, dark urine, and confusion. A thick blood film reveals Plasmodium falciparum ring forms with 8% parasitemia. According to WHO and Myanmar National Malaria Treatment Guidelines, what is the drug of choice for severe malaria in adults?

• AIntravenous chloroquine infusion
• BIntravenous artesunate administered at 0, 12, and 24 hours, then daily
• COral mefloquine plus primaquine single dose
• DIntramuscular artemether once weekly

A 22-year-old woman with type 1 diabetes presents with diabetic ketoacidosis. Before initiating an intravenous regular insulin infusion, which laboratory parameter must be confirmed to exceed 3.5 mmol/L under the 2024 international consensus report?

• ASerum potassium concentration
• BSerum sodium concentration
• CSerum calcium concentration
• DSerum magnesium concentration

A 54-year-old man with decompensated Hepatitis B cirrhosis and tense ascites develops diffuse abdominal pain, encephalopathy, and a fever of 38.4°C. Diagnostic paracentesis is performed. Which ascitic fluid finding establishes the diagnosis of spontaneous bacterial peritonitis (SBP)?

• AAscitic fluid total protein concentration > 3.5 g/dL
• BSerum-ascites albumin gradient (SAAG) < 1.1 g/dL
• CAscitic fluid absolute neutrophil count (ANC) >= 250 cells/mm3
• DPresence of gross bloody aspirate with hematocrit > 50%

A 65-year-old hypertensive man arrives at the emergency unit with sudden-onset right hemiplegia and expressive aphasia that started exactly 2 hours ago. Non-contrast brain CT demonstrates no evidence of hemorrhage or acute infarction. In the absence of medical contraindications, what is the maximum therapeutic time window from symptom onset for administering intravenous recombinant tissue plasminogen activator (rtPA / alteplase)?

• AWithin 1 hour of symptom onset
• BWithin 3 hours only
• CWithin 4.5 hours of symptom onset
• DWithin 12 hours of symptom onset

A 68-year-old chronic smoker with severe COPD presents with acute worsening of dyspnea, somnolence, and purulent sputum. Arterial blood gas on room air reveals pH 7.27, PaCO2 68 mmHg, PaO2 52 mmHg, and HCO3- 30 mEq/L. What is the evidence-based first-line ventilatory intervention to reduce intubation rates and mortality in this acute hypercapnic respiratory failure?

• AHigh-flow 100% oxygen via non-rebreather reservoir mask
• BNon-invasive positive pressure ventilation (NIV / BiPAP)
• CImmediate awake fibreoptic nasotracheal intubation
• DIntravenous infusion of respiratory stimulants (such as Doxapram)

A 32-year-old man presents with progressive bilateral lower extremity swelling, facial puffiness, and foamy urine. Which combination of clinical and laboratory findings definitively establishes the diagnosis of nephrotic syndrome?

• AHeavy proteinuria (> 3.5 g/24 hours), hypoalbuminemia (< 30 g/L), generalized edema, and…
• BMacroscopic hematuria, oliguria, hypertension, and red blood cell casts in urine
• CSterile pyuria, painless gross hematuria, flank mass, and secondary erythrocytosis
• DSevere acute back pain, microscopic hematuria, hypercalciuria, and radiopaque renal calcu…

A 25-year-old military recruit presents with acute fever, severe headache, photophobia, and marked neck stiffness. Lumbar puncture is performed. Which cerebrospinal fluid (CSF) analysis profile is characteristic of acute bacterial (purulent) meningitis?

• ANormal opening pressure, lymphocytic pleocytosis, normal glucose, and normal protein
• BNormal opening pressure, prominent eosinophilia, elevated glucose, and negative gram stain
• CElevated opening pressure, marked neutrophilic pleocytosis (> 1,000 cells/mm3), elevated…
• DMarkedly low opening pressure, xanthochromia, normal cell count, and normal protein

In the modified Duke criteria used for establishing a definitive diagnosis of infective endocarditis, which pair of findings constitutes the two fundamental Major Criteria?

• APersistently positive blood cultures with typical microorganisms and echocardiographic ev…
• BFever > 38.0°C and presence of Janeway lesions on the palms
• CGlomerulonephritis and Roth's spots on fundoscopic examination
• DIntravenous drug use and elevated C-reactive protein

A 38-year-old rice farmer presents following the monsoon floods with high fever, conjunctival suffusion, severe calf muscle tenderness, jaundice, oliguria, and hemoptysis. What severe, life-threatening manifestation of leptospirosis does this patient exhibit?

• ABlackwater fever
• BWaterhouse-Friderichsen syndrome
• CDressler syndrome
• DWeil's disease (icteric leptospirosis)

A 70-year-old man presents with acute palpitations, dizziness, and cold clammy skin. Monitor shows rapid atrial fibrillation with a ventricular rate of 165 bpm. His blood pressure is 75/45 mmHg, and he has signs of pulmonary edema with bibasilar crackles. What is the immediate treatment of choice?

• AIntravenous verapamil 5 mg over 2 minutes
• BEmergent synchronized direct current (DC) cardioversion
• COral amiodarone 400 mg daily
• DContinuous intravenous heparin infusion without cardioversion

A 29-year-old soldier returning from field duty in rural terrain presents with high fever, severe headache, regional lymphadenopathy, and a maculopapular rash. Physical examination reveals a 6 mm painless ulcer with a central black necrotic crust and surrounding erythematous halo in the right axilla. What is the diagnosis and first-line antimicrobial therapy?

• AScrub typhus (Orientia tsutsugamushi); oral Doxycycline
• BCutaneous leishmaniasis; intramuscular sodium stibogluconate
• CPrimary syphilis; intramuscular benzathine penicillin G
• DTyphoid fever; intravenous ceftriaxone

A 45-year-old man presents with severe, constant epigastric pain radiating directly to his back, accompanied by persistent vomiting. Serum lipase is 1,200 U/L (reference < 60 U/L). Which statement regarding the clinical evaluation and severity stratification of acute pancreatitis is correct?

• AThe absolute serum lipase concentration correlates directly with the clinical severity an…
• BAbdominal ultrasound is performed primarily to evaluate for gallstones and biliary tree d…
• CIntravenous broad-spectrum prophylactic carbapenems must be administered routinely to all…
• DEmergency total pancreatectomy is indicated within the first 24 hours of hospital admissi…

A 60 kg man sustains partial-thickness (second-degree) flame burns involving both entire upper limbs (18% TBSA) and the anterior trunk (18% TBSA), for a total burn surface area of 36%. Using the standard Parkland formula, what total volume of Ringer's lactate should be calculated for the first 24 hours of resuscitation, and how much is given in the first 8 hours from injury?

• A4,320 mL total; 2,160 mL in the first 8 hours
• B8,640 mL total; 4,320 mL in the first 8 hours
• C12,000 mL total; 6,000 mL in the first 8 hours
• D2,500 mL total; 1,250 mL in the first 8 hours

A 62-year-old man presents with a painful groin mass that he has been unable to reduce for 14 hours. Which clinical pattern most strongly suggests strangulation rather than incarceration and requires immediate surgical assessment?

• AInability to manually reduce the hernia contents into the peritoneal cavity
• BLocation of the hernia sac lateral to the inferior epigastric vessels
• CPresence of a cough impulse on gentle palpation over the superficial inguinal ring
• DSevere localized tenderness, overlying skin erythema, fever, tachycardia, and signs of sy…

According to the American College of Surgeons Advanced Trauma Life Support (ATLS) classification of hemorrhagic shock, which clinical parameter profile characterizes Class III Hemorrhage (approximately 30% to 40% blood volume loss)?

• AMarked tachycardia (heart rate > 120 bpm), decreased systolic blood pressure, tachypnoea…
• BHeart rate < 100 bpm, normal blood pressure, normal pulse pressure, and minimal anxiety
• CHeart rate 100-120 bpm, normal systolic blood pressure with decreased pulse pressure, and…
• DLethargy, negligible urine output, heart rate > 140 bpm, and impending cardiac arrest fro…

A 42-year-old multiparous woman presents with right upper quadrant abdominal pain radiating to the right shoulder blade, fever of 38.5°C, and leukocytosis. Which combination of findings on transabdominal ultrasound is most specific for acute calculous cholecystitis?

• ASludge in a thin-walled non-distended gallbladder without acoustic shadowing
• BMultiple mobile gallstones in a thin-walled gallbladder without local tenderness
• CGallstones, gallbladder wall thickening, pericholecystic fluid, and a positive sonographi…
• DUniform intrahepatic biliary radicle dilatation with a normal-caliber common bile duct

A 50-year-old man with a history of chronic NSAID use for osteoarthritis presents with sudden, catastrophic generalized abdominal pain that began 2 hours ago. On examination, the abdomen is scaphoid, completely rigid ('board-like'), with absent bowel sounds. What diagnostic radiological finding on an erect chest radiograph confirms a perforated peptic ulcer?

• ABlunting of the left costophrenic angle
• BFree crescent of subdiaphragmatic gas (pneumoperitoneum) beneath the right hemidiaphragm
• CAir bronchograms in the right lower lung zone
• DDiffuse ground-glass appearance of the lung parenchyma