Pharmacology MCQs- 234

Q- Which one of the following drugs is associated with peripheral neuropathy? A- Capreomycin B- Ethambutol C- Isoniazid D- Rifampin C- Isoniazid- Isoniazid is well known for causing peripheral neuropathy as a side effect, especially in patients who are malnourished, diabetic, alcoholic, or who have kidney failure. This occurs due to pyridoxine (vitamin B6) deficiency, … Read more

Repeated USMLE Questions Step 1- 314

A 58-year-old man presents to the clinic with sudden weakness of his right arm. He also complains of progressive difficulty breathing on exertion, palpitations and a low grade fever during the last month. Examination reveals elevated jugular venous pressure, a loud S1 and mid-diastolic rumbling murmur hard on fifth intercostal space. Transesophageal echocardiography (TEE) confirms … Read more

Pharmacology MCQs- 233

A 24-year-old man with a history of HIV infection develops pallor and increasing fatigue. Laboratory tests confirm the diagnosis of acute lymphoblastic leukemia. Which one of these chemotherapeutic agents is used for this patient without causing further damage to his immune system? A-Chlorambucil B-Cisplatin C-Ifosfamide D-Procarbazine E-Vincristine Answer All the drugs mentioned in the answer … Read more

Pharmacology MCQs- 232

An obese 46-year-old man presents to the clinic with complaints of weakness, fatigue and tingling and numbness of his hands and feet. He rarely exercises and he eats almost daily in fast food restaurants. Laboratory tests show fasting blood glucose of 156 mg/dL. He is advised to improve his lifestyle and follow up in 2 … Read more

Repeated USMLE Questions Step 1- 312

A 62-year-old man complains of fatigue, progressive weakness and numbness of his arms and legs. Complete blood count shows decreased numbers of erythrocytes and increase in the mean cell volume. Removal of which of these structures requires lifelong administration of the vitamin involved in this case? A-Ascending colon B-Gall bladder C-Ileum D-Left kidney E-Tonsils Answer … Read more