With the invention of the stethoscope, physicians were able to listen to the various sounds made by the heart and lungs. And began to be able to identify if patients had any diseases or ailments.
Answer:
aptitude
Explanation:
Aptitude test: In psychology, the term "aptitude test" is described as a systematic way to test a specific job candidate's capabilities in order to perform or display particular tasks and therefore react based on a range of situational differences. The aptitude test consists of one of the "standardized methods" to score and administer and possessing quantified results and being compared with different test takers.
In the question above, the SAT is supposedly an aptitude test.
A large surplus of food added to the rise of society by keeping the starvation rate down and helping to develop medicines to cure various diseases.