When doing medical research with human subjects, which four limitations are unavoidable?
A. It’s often impossible to repeat trials on the same subjects.
B. Subjects may report an inaccurate medical history.
C. It can be difficult to control all possible variables.
D. It’s impossible to come up with testable scientific questions for human subjects.
E. There are ethical or privacy concerns to consider.
Will give brainliest pls help ( I don't know whether B or D are the incorrect answers).
Answers: 2
Biology, 21.06.2019 18:40
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?
Answers: 1
Biology, 22.06.2019 02:30
Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location
Answers: 1
Biology, 22.06.2019 14:30
The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?
Answers: 1
When doing medical research with human subjects, which four limitations are unavoidable?
A. It’s of...
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