Bernard brought home his report card and placed it on the television set. Bernard told his dad that he was required to take the card back to school tomorrow with the signature of one of his parents. Bernard's dad told him to move out of the way as he could not see the television set. The next morning, Bernard found his report card where he had left it the previous day and it was unsigned. He signed his dad's name and put it in his backpack. Bernard's dad is most likely a(n)

A41-year-old man comes to the clinic complaining of a chronic cough over the past 4 months, which has now been accompanied by haemoptysis. he denies smoking or any past medical history. on physical examination, his head and neck examination is normal. his lungs have diffuse bilateral rales. cardiac examination is normal. laboratory findings reveal na 142 meq/l, k 4.2 meq/l, cl 110 meq/l, hco3 24 meq/l, bun (blood urea nitrogen) 39 mg/dl, creatinine 2.9 mg/dl. urinalysis reveals microscopic haematuria and 4+ proteinuria. which of the following serologic blood tests would most confirm the suspected diagnosis? - anti-glomerular basement membrane antibodies- anti-mitochondrial antibodies- anti-neutrophilic antibodies- anti-parietal cell antibodies- anti-smooth muscle antibodies