Answer Happy

Which of the following is a true statement? High calcitonin levels will lead to an increase in the calcium levels of the blood. Parathyroid hormone causes a decrease in body temperature. Calcitonin is produced and released from the thyroid gland. All of the above are true. None of the above is true.
If MAP is very high, which of the following would normally occur? Afferent arterioles in the kidneys would automatically vasoconstrict in response to the high MAP The macula densa cells would signal afferent arterioles in the kidneys to vasoconstrict The JG cells would release less renin All of the above are true. None of the above is true.