Q1525. A patient undergoing surgery shows a sudden drop of end-tidal CO2 (ETCO2) to 15mmHg to 5mmHg capnography. What does this most likely indicate?

Q1526. PaCO2: 60 mmHg HCO3-: 26 mEq/L PaO2: 80 mmHg What is the most appropriate interpretation of this ABG?

Q1527. A patient under anesthesia develops respiratory depression. Which of the following capnography findings is most consistent with this condition?

Q1529. A 22-year-old Kabaddi player sustains a twisting injury to the knee while playing. He complains of immediate pain and instability. The injury occurred when the knee was partially flexed and the foot was planted on the ground. Which structure is most likely injured?

Q1530. A 35-year-old man presents after a fall on the outstretched hand with severe shoulder pain. The arm is held in slight abduction (~15 degrees). An X-ray of the shoulder shows a fracture at the surgical neck of the humerus. Which nerve injury is most likely associated with this fracture?

Q1531. Codman's triangle is seen in which of the following conditions?

Q1532. A 30-year-old male is admitted after a motor vehicle accident, where his knees hit the dashboard. He complains of severe pain in the right hip, inability to move the leg, and the limb appears shortened and internally rotated. A pelvic X-ray is performed. What is the most likely diagnosis?

Q1533. A 35-year-old man presents with chronic knee pain, swelling, and intermittent locking of the joint. There is no history of trauma. An X-ray of the knee joint shows multiple, well-defined loose bodies within the joint space. Synovial fluid aspiration reveals chondrocytes. What is the most likely diagnosis?

Q1534. A 10-year-old child presents with deformity of the elbow and tingling in the hand. There is a history of an elbow fracture treated by a local quack several weeks ago. On examination, the elbow shows a varus deformity. Xray shown. Which nerve injury is most commonly associated with this condition?

Q1535. A radiograph of a 9 year old child with swelling, fever and bone pain for 2 months shows a diaphyseal lesion of a long bone with permeative/moth-eaten destruction an onion-skin periosteal reaction. ESR is mildly raised Which is the most likely diagnosis?

Q1536. A 25-year-old man presents after a minor trauma to the hand with localized pain and swelling. Initial plain X-ray of the hand is reported as normal. Over the next few weeks, pain persists and a repeat X-ray shows a well-defined, lytic lesion with stippled calcifications involving the phalanx. What is the most likely diagnosis?

Q1537. An X-ray of the distal femur shows a well-defined, lytic, expansile lesion extending up to the epiphysis. Histopathological examination reveals numerous multinucleated giant cells uniformly distributed in a background of mononuclear stromal cells. What is the most likely diagnosis?

Q1538. A person thinks someone wants to kill him. He cannot be convinced or explained. What is the likely phenomenon?

Q1539. A 29-year-old female has persistently low mood, doesn't feel like doing anything, sleeps 15 hours a day, limbs feel heavy, eats a lot for 2 months. She feels happy when she hears her mother is coming to visit her in 2 weeks. Likely diagnosis?

Q1541. A patient is given 5 mg IV morphine for postoperative pain management. You are monitoring him for opioid toxicity. Which of the following findings can suggest morphine overdose?

Q1542. last 3 months while on de-addiction therapy. He consumed 60 mL of alcohol at a social gathering. Within 15–20 minutes, he developed nausea, vomiting, red rashes, throbbing headache, and palpitations. Which of the following drugs was he most likely taking for alcohol dependence?

Q1543. An elderly patient diagnosed with dementia is on the drug memantine. What is the mechanism of memantine?

Q1545. An elderly woman is brought to the psychiatry OPD by her daughter with complaints of forgetfulness. For the past one year, she has been seeing people and animals in a nearby house that has been unoccupied during this period. She also has rigidity. What is the most likely type of dementia?

Q1546. voices talking about his actions. He has poor eye contact with people and wants to stay alone. These symptoms have been present for more than two months. Which of the following points towards the diagnosis of schizophrenia and not delusional disorder?