Usage for hash tag: january2020usmle2k

#january2020usmle2k Which of the following statements is correct regarding the apex of the upright lung compared to its base? A- Alveoli are more compliant at the apex than at the base B- Alveoli are smaller at the apex than at the base C- Blood perfusion is lower at the apex than at the base...

#january2020usmle2k Which one of the following medications is used for cases of Parkinson’s disease and influenza type A? A- Amantadine B- Benztropine C- Bromocriptine D- Ribavirin

#january2020usmle2k Which of the following is the cellular mechanism of epinephrine? A- Activation of adenylyl cyclase B- Activation of acetylcholinesterase C- Activation of phospholipase D- Inhibition of adenylyl cyclase

#january2020usmle2k Which of the following muscles are responsible for primary abduction of the arm at the shoulder joint? A- Coracobrachialis and deltoid B- Deltoid and infraspinatus C- Deltoid and supraspinatus D- Supraspinatus and infraspinatus

#january2020usmle2k Which of the following is the most common cancer of the lower third of esophagus in non-alcoholic, non-smoker patients? A- Adenocarcinoma B- Melanoma C- Sarcoma D- Squamous cell carcinoma

#january2020usmle2k Which of the following medications is considered irreversible alpha receptor antagonist? A- Labetalol B- Phenoxybenzamine C- Prazosin D- Tolazoline

#january2020usmle2k Dry or “sandy eyes” is seen after administration of large doses of which one of the following medications? A- Atropine B- Carbacho C- Pilocarpine D- Timolol

#january2020usmle2k Which of the following statements correctly describes the therapeutic dose of medication? A- The amount of medication that produces maximal rate of distribution B- The amount of medication that produces minimal biological effect C- The amount of medication that produces the...

#january2020usmle2k A 74-year-old woman visits her physician complaining of a new onset of fatigue and temporal headache. She lost about 5-7 pounds over the last year. She also has morning stiffness for one hour accompanied by aching in the shoulders and hips. He noticed that his vision was...

#january2020usmle2k As physicians, we need to know some definitions in Genetics, which are related directly to our practice and guide us to diagnose and treat many genetic disorders. These items include genome, genotype, phenotype, genetic code, gene expression, etc. Which one of the following...

#january2020usmle2k A 48-year-old man with a long history of type 1 diabetes and hypertension develops sudden chest pain and dizziness. On examination, pulse is 110, blood pressure is 80/50, no pulsus paradoxus, lungs are clear and jugular veins are dilated. ECG shows sinus tachycardia with ST...

#january2020usmle2k A 12-year-old girl visits her physician for follow up after treatment with methotrexate for acute lymphoblastic leukemia. Stool analysis reveals blood in stool. Her platelet count is very low. Which of these substances should be administered immediately? A-Vitamin K...

#january2020usmle2k Workers in the aniline dye industry are more susceptible to bladder cancer than general population. Meanwhile, studies show that animals, when exposed to beta-naphthylamine develop liver cancer but not bladder cancer. What is the most likely explanation of this finding...

#january2020usmle2k A 5-year-old girl with a mass in her neck is brought to the clinic for an evaluation. Her mother says that this mass appeared 6 months ago and is increasing in size. There is no pain or discomfort. On examination, the mass is in the midline, inferior to the hyoid bone...

#january2020usmle2k A 73-year-old man with a history of benign prostatic hyperplasia (BPH) presents to the emergency room complaining of repeated falls. His wife admits that during the past 3 weeks he has had unsteady gait, urinary incontinence and memory disturbances. His medical, surgical and...

#january2020usmle2k A 37-year-old woman presents to the emergency room complaining of general tingling sensation all over her body and spasm of her right hand for 1 hour. Her spasm is worsening and she feels as her body becomes more rigid. She had undergone subtotal thyroidectomy 2 weeks ago...

#january2020usmle2k A 48-year old man presents to the emergency room with severe headache and blurred vision. His blood pressure is 230/140. Ophthalmologic examination reveals blurred optic discs with indistinct margins. An intravenous drip of nitroprusside is started. What is the mechanism of...

#january2020usmle2k A 43-year-old man presents to your clinic for a follow up after colon biopsy taken last week. He has a history of constipation and blood in stools for 6 months. Biopsy reveals colon cancer. After you told him the bad news, he looked down and told you that constipation was...

#january2020usmle2k A 37-year-old woman presents to the office for a consultation about family planning. She is married for 11 years and she has never had any extra-marital relationships. They have been tested negative for HIV infection. She hopes to become pregnant and to stop using condoms...

#january2020usmle2k A 62-year-old woman visits her physician for a routine physical examination. She has a long history of lower back pain and she takes ibuprofen as needed. She also takes levothyroxine for hypothyroidism. She exercises daily for 30 minutes and follows a regular diet. On...