QUESTION 134
A 45-year-old woman presents with a 2-week history of a sore left breast. It has become red and swollen. She was previously well, and her menstrual cycles are regular. She has no history of breast cancer, and she has no children. On examination, she has a red, tender, indurated area in her left breast that has only partially responded to oral antibiotics after 10 days. Which one of the following is the most appropriate next step?

QUESTION 135
A 59-year-old woman is referred to you because of a 2-month history of left nipple discharge. She is otherwise healthy and is not on any medication. There are no palpable lesions on breast examination. She is able to express a small amount of blood-tinged liquid from her breast. Which one of the following would be the best next step?

QUESTION 136
An otherwise well 18-month-old girl is brought to your family practice office for routine immunization. Her mouth is as shown in the attached image. She has no symptoms. Which one of the following is the most likely cause of this presentation?

Image description: Severe black and brown decay of multiple upper front teeth, with relatively spared lower teeth.

QUESTION 137
You are caring for a 78-year-old man admitted to hospital for heart failure. On your rounds, he asks why he is not getting better. He has a history of heart failure, hypertension, and type 2 diabetes. He has an implantable cardioverter-defibrillator. This is his fourth admission in the past 6 months for acute decompensation of his heart failure. Between hospital admissions, he reports worsening shortness of breath and a progressive decline in function. Which one of the following is the next best step?

QUESTION 138
A 71-year-old man with stable chronic low back pain on hydromorphone (8 mg twice daily) presents upset, requesting an early refill. He reports his granddaughter has been stealing his medication and pressuring him for refills. Which one of the following is the best next step?

QUESTION 139
A 28-year-old woman, gravida 1, para 0, aborta 0, presents to your clinic for a prenatal visit. Her pregnancy is at 20 weeks’ gestation. Her ultrasonogram shows a normal fetus and a low-lying placenta. Which one of the following is the best next step?

QUESTION 140
A 12-year-old girl is brought to your clinic by her parents 6 weeks after experiencing a minimally displaced buckle fracture of her distal radius. It was immobilized in a cast for 3 weeks. On examination, she supports her forearm with the opposite hand. She is unwilling to move her elbow, wrist, and fingers. The findings of her neurovascular examination are normal, and the soft tissue is supple. A repeat radiograph shows bony union. Which one of the following is the most likely diagnosis?

QUESTION 141
A 39-year-old woman, gravida 2, para 1, aborta 0, presents with concerns that a friend has recently suffered from postpartum psychosis. She wonders if she is likely to suffer this disorder following delivery of her 2nd child. Which one of the following is most likely to increase your patient’s risk?

QUESTION 142
A 67-year-old man presents to the clinic because of elevated liver enzymes. He is asymptomatic.His medical history is significant for type 2 diabetes, which is being treated with metformin. On physical examination, he looks well. His blood pressure is 125/75 mm Hg, his heart rate is 80/min, and his BMI is 35. Findings of the remainder of the examination are normal. His blood work results are as follows:
* Platelet count: 170 × 10#/L (130-380)
* Creatinine: normal
* GGT: 75 µmol/L (49-93)
* ALT: 146 IU/L (15-85)
* AST: 101 IU/L (17-63)
* Bilirubin (total): 17 µmol/L (3-17)
* INR: 1.2 (0.9-1.2)
Which one of the following is the most likely diagnosis?

QUESTION 143
A leaf switch shows ” FW Version Mismatch ” alerts for transceivers after cluster expansion. Which tool validates transceiver firmware against expected versions?

QUESTION 144
A 35-year-old man comes to your office with a history of headaches that last 1 hour and are relieved by 1000 mg of acetaminophen. These headaches, which started 6 months ago after he got his first job as a lawyer, occur regularly. The patient wants a computed tomography scan of his head to rule out a tumour. Physical examination reveals no abnormality. Review of systems does not contribute any positive findings. Which one of the following is the best management?

QUESTION 145
An infrastructure engineer in an AI factory has successfully replaced a power supply unit on an NVIDIA DGX H100. After installation, both the IN and OUT LEDs on the new power supply illuminate solid green.
Which NVSM CLI command should the engineer use to quickly verify the overall system status and ensure it is operating as expected?

QUESTION 146
A 73-year-old woman is seen in the office 2 weeks after a coronary bypass surgical procedure. The site of saphenous vein removal in the left thigh shows an area of tenderness and a 3 × 5 cm palpable mass. The skin is intact. Her temperature is 37.7 °C, hemoglobin is 110 g/L (125-167), and white blood cell count is 8 × 10#
/L (4-10). Which one of the following is the most likely diagnosis?

QUESTION 147
A 56-year-old woman comes to your office because she has not been herself since her husband died in a car crash 6 weeks ago. She has no prior psychiatric history. Her son is concerned because she cries frequently, has a poor appetite, rarely leaves home and is distraught. Her sadness fluctuates and increases when she thinks of her husband. She often thinks about death, and she wishes she could join her deceased husband. Which one of the following is the best next step?

QUESTION 148
A 28-year-old woman presents to the office in great distress because she has no money for groceries or rent.
She is a single mother of a 7-year-old girl. She has a history of gambling disorder. She has felt unable to cope for the last 3 months and has started gambling again. Today, she is crying, and she shares that her boyfriend became violent with her yesterday. Which one of the following is the highest priority for assessment?

QUESTION 149
A 9-year-old girl is brought to the Emergency Department because she has generalized urticaria, abdominal cramping, and postural dizziness 30 minutes after eating at a friend’s birthday party. Which one of the following is the most appropriate route of administration for epinephrine?