What stimulates the release of parathyroid hormone (PTH)?
A) low blood calcium ion levels B) high levels of vitamin C
C) high blood calcium ion levels D) high levels of vitamin D
Answer: A
You might also like to view...
The epithelium of the seminiferous tubules consists of
A. spermatogonia and spermatids. B. interstitial cells and sustentacular cells. C. adipose cells and chondrocytes. D. spermatogenic cells and sustentacular cells.
When a person has not eaten for several hours, which hormone ensures a steady level of blood glucose?
A. Leptin B. Thyroxine C. Insulin D. Glucagon E. Somatostatin
Which of the following pairs have NO Relationship?
a. ribosomes and membranous organelles b. inclusions and excess nutrients c. peroxisomes and detoxification d. mitochondria and rod or oval shapes e. vaults and octagonal barrels
Which of the following is associated with the tongue?
A. uvula B. constrictor muscles C. papillae and taste buds D. periodontal ligament E. fauces