There are stretch receptors in the aorta and carotid arteries, and they are stimulated when blood pressure falls. if blood pressure falls, then the body would take measures to

i. make certain that the kidneys conserve water.

ii. produce urine that is clear and diluted.

iii. increase the water in blood plasma.

iv. decrease blood plasma volume.
a) i only
b) i and ii only
c) i and iii only
d) ii and iv only

Which label correctly identifies what x represents in the concept map?

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !