What does it mean when some psychologists support the idea that people experience a series of independent steps or stages?

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?

This migraine wont go away and i dont feel safe taking any more medicine for the next few hours

If something is painful during exercise, what should you do? a. back off the exercise. b. modify the exercise. c. consult a physician if the pain persists. d. all of the above