The blood is one of the primary ways for malignant neoplasms to metastasize from any organ because it circulates through all organs and body tissues

When taking a urine sample from a patient for testing, you notice it is cloudy. This could indicate ____. 

A. cystitis B. renal failure C. renal calculi D. incontinence E. poor cleansing when collecting the urine

An instrument called a(n) ________ measures the air taken in by and expelled from the lungs. 

Fill in the blank(s) with the appropriate word(s).