Lola is going to see a doctor because she just got a positive result on an over-the-counter pregnancy test. the doctor confirms that she is 10 weeks pregnant and discusses with her the basics of a healthy pregnancy. which type of care is she receiving?

What is the hormone in your brain that makes you feel happy?

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Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?