What ion concentration is linked to calcium ion concentration and regulated by vitamin D3 (calcitriol)?
A) phosphate ions B) sodium ions C) potassium ions D) fluorine ions
Answer: A
You might also like to view...
________ is the process of sloughing off the old functional layer of the endometrium.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements concerning the terminal ganglia is correct?
a. long parasympathetic preganglionic fibers end on the terminal ganglia, which lie in or near the effector organ. b. terminal ganglia give rise to sympathetic postganglionic fibers. c. terminal ganglia are the final common pathway for the autonomic nervous system. d. the terminal ganglia contain muscarinic receptors. e. terminal ganglia lie in a chain located along either side of the spinal cord.
Which of the following is not a recognized function of skeletal muscle?
A) produce movement B) maintain posture C) maintain body temperature D) guard body entrances and exits E) controlled involuntarily
A single layer of square-like cells describes which of the following tissues?
A. simple cuboidal epithelium B. simple squamous epithelium C. pseudostratified columnar epithelium D. simple columnar epithelium