Xander has been told to balance his diet with more fruits and vegetables. which of the following is a good strategy for him to follow?

a. eat only fruit one day and only vegetables the next
b. eat at least one fruit or vegetable once per day
c. eat half a plate of fruits and vegetables for each meal
d. eat fewer fruits and more vegetables one day per week

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

Akey feature of all epidemiology is the definition of a at risk. select one: a. pathogen b. ethnicity c. population d. lifestyle e. insect

Second hand smoke can be almost as harmful as smoking. true or false?