Explain the hormonal homeostasis of normal blood glucose
When the pancreas detects a high concentration of the blood's sugar, glucose, it releases insulin, a hormone. Insulin stimulates muscle and other cells to remove glucose from the blood and to store it. The liver also stores glucose. When the blood glucose level falls, the pancreas secretes another hormone, glucagon, to which the liver responds by releasing into the blood some of the glucose it stored earlier. Thus, a normal blood glucose level is maintained.
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Explain how proteins regulate blood pH
Which of the following represents the order of the stages of iron deficiency?
a. Iron stores decline; iron transport diminishes; hemoglobin synthesis falls b. Hemoglobin synthesis falls; iron transport diminishes; iron stores decline c. Iron transport diminishes; hemoglobin synthesis falls; iron stores decline d. Iron transport diminishes; iron stores decline; hemoglobin synthesis falls
Access to healthy food is a feature of which social determinant of health?
a. education b. social and community context c. economic stability d. health and health care e. neighborhood and built environment
An aneurysm can cause:
a. outward bulging of a blood vessel. b. elevated blood pressure. c. a rapid release of lipids into the blood. d. a and b