Kristin discovers a lump in her neck. Upon examination, her physician determines it's a tumor of the thyroid and performs a complete removal. Which of the following is not one of the hormones Kristin will need to be supplemented with?
A. Thyroxine
B. Triiodothyronine
C. Calcitonin
D. Cholecalciferol
Answer: D
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Which of the light micrographs in the figure below shows the type of epithelial tissue that lines the kidney tubules?
a) A b) B c) C d) D e) E
What two things does the ciliary body do?
What will be an ideal response
Which of the following are common means by which binding of an extracellular chemical messenger with a cell's receptor brings about a desired intracellular response?
a. opening or closing of specific channels to regulate ionic movement across the plasma membrane. b. activation of an intracellular second messenger system. c. alteration of protein shape and function as a result of phosphorylation. d. only (a) and (b) above. e. all of these answers.
Which of the following facial muscles raise(s) the corners of the mouth for smiling and laughing?
A. Mentalis and platysma B. Depressor anguli oris C. Orbicularis oris D. Buccinator E. Zygomaticus major and minor