Answer: a. supply nutrients and oxygen to the renal medulla.
Explanation:
Countercurrent exchange is a process that takes place in kidney creates a kind of concentration gradient so as to concentrate the urine by adding up urea and salt in the urine via renal medulla part of kidney.
Answer:
The correct answer to this question: Evaluation of evidence should be based solely upon study design:____, would be: false.
Explanation:
According to research done on the topic, there are many other issues that must be taken into account when evaluating the results of a research study, be it clinical, or in the field, and not simply study design. Study design allows the evaluators to assess the style, the form, and the way in which the study was carried out to reach results, but evaluating results, the evidence gathered only based on how the study was designed would be wrong. This evidence evaluation should focus primarily on how the intervention worked on a certain study, and whether it was carried out in such a way that would yield the proper results, without bias.
The most common type of cancer on the list is breast cancer, with 271,270 new cases expected in the United States in 2019. The next most common cancers are lung cancer and prostate cancer.