In which class of the Vaughn-Williams classification system of anti-dysrhythmic medications does propranolol belong?

Which pancreatic enzyme breaks down proteins?

A) Nucleases B) Lipases C) Proteases D) Proseases

You are suspicious that a patient is suffering from active tuberculosis. Which of the following would be most appropriate?

A) Neither you nor the patient should wear a HEPA respirator. B) Both you and the patient should wear a HEPA respirator. C) You should wear an N95 mask. D) The patient should wear a HEPA respirator.