Who is the most "fit"? a. a professional athlete (eight digit income) who is good health but unmarried and has no children. b. a foster parent (modest income) who is in good health and parenting an adopted child. c. a professional athlete (eight digit income) who is good health but unmarried and has no children and a foster parent (modest income) who is in good health and parenting an adopted child, if they are living together. d. a single parent (minimum wage income) who is in fair health and struggling financially to raise two children?

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