Question

Julie was diagnosed with an aggressive tumor of the thyroid. Surgery was performed to remove the thyroid. However, post-operatively, Julie's blood calcium levels began declining to life-threatening levels. This decline is most likely due to

Select one:

a. thyroid hormone replacement therapy after the surgery.

b. damage to the anterior pituitary during surgery.

c. accidental removal of the parathyroid glands during surgery.

d. improper laboratory handling of blood samples.

e. post-traumatic stress disorder.

Which statement is incorrect?

Select one:

a. Endocrine glands lack ducts.

b. The effect of hormones is shorter than the effect of nerve impulses.

c. Steroid hormones are carried in the blood by transport proteins.

d. Hormones may have widespread, distant effects on the body.

e. A common second-messenger is cyclic AMP.