How did we know that we need to wear spacesuits in space? Who discovered this? Wouldn't the person have died. How do you know your eyes are open when you are sleeping.

Whats the difference between epinephrine and norepinephrine?

Eyes: snellen chart, cataract risk factors, accommodation lungs: locations, names and descriptions of all normal and abnormal lung sounds. how would i do a bowel assessment? what are the characteristics of pulses and locations where they can be checked? what are the newest guidelines for mammograms? what is the age range for risk factor for testicular cancer? what risk factors are modifiable? what are some examples of primary lesions? compare and contrast at least three different types of lesions. how would you classify a mosquito bite? a tick bite? a shingles rash? how are primary lesions different from secondary lesions? when would you use the bell vs. the diaphragm on the stethoscope?

About how many individuals in the us go bankrupt each year due to medical bills?