Question 1
Thyroid-stimulating hormone (TSH) is released to stimulate thyroid hormone (TH) and is inhibited when plasma levels of TH are adequate. What is this an example of?
◦ Positive feedback
◦ Negative feedback
◦ Neural regulation
◦ Physiologic regulation
Question 2
A person wants to know if eating only plant-based foods is advisable as a way to cut cholesterol to near-zero levels. What response by the health care professional is best?
◦ “No, you will become extremely malnourished.”
◦ “Yes, that is an effective way to eliminate cholesterol.”
◦ “No, many hormones are made from cholesterol.”
◦ “Yes, that will increase the action of insulin.”
Plant Embryogenesis
Trilobite hypostome types based on attachment
Plant Cell
Plant
Conversion of squalene to cholesterol