The harmful effects of tobacco use are mainly caused by what substances?

nicotine, tar, carbon dioxide
nicotine, tar, carbon monoxide
opium, alcohol, carbon monoxide
nicotine, alveoli, carbon

Anurse is providing a client with teaching about antacids.which three statements about antacids are true

What are the functions of the various parts of the neuron? how are messages transmitted through the nervous system? make sure that your response demonstrates that you understand how this works!

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