With regards to thyroid hormone secretion
a. the anterior pituitary controls daily regulation while the hypothalamus controls long term patterns of secretion.
b. TSH causes TRH to be secreted which in tern stimulates T3 and T4 release.
c. thyroid hormone negatively feedback to the hypothalamus.
d. control is primarily neural.
e. all of these answers.
A
You might also like to view...
What is the best explanation for the observation that mitosis occurs in the deepest layers of the epidermis?
A. Cells are dead in the top layer of the skin. B. Protein granules accumulate in the cytoplasm of cells as they move up the layers. C. Mitosis requires oxygen and nutrients supplied by blood vessels. D. Cells undergo apoptosis in upper layers of the epidermis. E. The cells in the deepest layer of the epidermis are metabolically active.
All of the following are true of muscle spindles except they
A) are found within skeletal muscle. B) consist of specialized fibers called intrafusal fibers. C) are found in tendons. D) are the receptor for the stretch reflex. E) are innervated by gamma motor neurons.
This figure shows the muscles of facial expression. What muscle does number 9 indicate?
A. Mentalis B. Levator labii superioris C. Risorius D. Sternocleidomastoid E. Depressor labii inferioris
Identify the following
