Question 2 2 out of 2 points A good example of a positive feedback mechanism would be Selected Answer: Ovaries produce estrogen with leutinizing hormone (LH) stimulation, estrogen stimulates more pituitary LH secretion Question 3 2 out of 2 points Which would be a normal measure of oxygen in arterial blood? Selected Answer: 18.1 ml/100ml Question 4 2 out of 2 points In a negative feedback loop used to maintain homeostasis, which of the following terms is NOT likely to be used? Selected Answer: hypothesis. Question 6 2 out of 2 points When stress limits resources for organs, which organ receives top priority for receiving blood? Selected Answer: brain Question 7 2 out of 2 points Which is a less common element of the human body? Selected Answer: iron Question 11 2 out of 2 points Which release OH- in water? Selected Answer: bases Question 12 2 out of 2 points Which pH would be considered alkaline? Selected Answer: pH 9.6 Question 13 2 out of 2 points A solution that does not change pH with small additions of acid or base is called a Selected Answer: buffer. Question 14 2 out of 2 points When molecules have the same chemical formula, arranged in the same sequence, but differing only in their spatial orientation of key functional groups, producing D-isomers and L-isomers, they are called Selected Answer: stereoisomers. Question 15 2 out of 2 points Steroid hormones are Selected Answer: lipids. Question 17 2 out of 2 points The components of phospholipids include Se ...
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