The cervical plexus is formed by the
A. posterior rami of spinal nerves C2-C6.
B. posterior rami of spinal nerves C4-C8.
C. anterior rami of spinal nerves C1-C4.
D. anterior rami of spinal nerves C3-C7.
E. rami communicantes of spinal nerves C1-C7.
C
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Which ganglia contain the cell bodies of the parasympathetic postganglionic neurons that serve the parotid salivary glands?
a) Ciliary ganglia b) Pterygopalatine ganglia c) Submandibular ganglia d) Otic ganglia e) None of these choices
Answer the following statements true (T) or false (F)
1. The pH of a solution indicates the solution’s hydrogen ion concentration. 2. An acid solution has a pH above 7.0. 3. An acid solution has more hydroxide ions than hydrogen ions. 4. As the pH value of a solution goes up, the hydrogen ion concentration goes up. 5. A neutral solution has an equal number of hydroxide and hydrogen ions.
The secretion of hormones operates on a negative feedback system.?
Indicate whether the statement is true or false
What type of transplant is an autograft?
A) from the same species B) from the same individual C) from a genetically identical individual D) from another species