After taking their wedding vows, a bride and groom often ceremonially use which of the following muscles before walking away from the altar?
A. Platysma
B. Depressor anguli oris
C. Quadriceps femoris
D. Levator labii superioris
E. Orbicularis oris
Answer: E
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Which space associated with the spinal cord meninges contains areolar connective tissue, blood vessels, and adipose connective tissue?
A. Central canal B. Subarachnoid space C. Subdural space D. Epiarachnoid space E. Epidural space
The adrenal medulla consists of modified postganglionic sympathetic neurons called __________ cells
Fill in the blank(s) with correct word
The intervertebral discs are formed of _____________
Fill in the blank(s) with correct word
pH of arterial blood is slightly higher than that of venous blood because
a. arterial blood has more hydrogen ions. b. arterial blood has less acidic metabolites such as carbon dioxide and lactic acid. c. venous blood has less carbon dioxide. d. arterial blood always has more oxygen. e. of the H+ ions generated during the formation of HCO3-.