For a person to make a fist, which one of the following must occur?
A) The central nervous system must send a message through the spinal cord and then to the peripheral nerves.
B) The central nervous system must send a message through the spinal cord and then to the autonomic nervous system.
C) The peripheral nervous system must send a message to the brain and then back through the peripheral nervous system.
D) The muscles must signal the brain to send a message through the autonomic nervous system.
A
You might also like to view...
Which of the following is TRUE about determining the pathway of the bullet when assessing a patient with a gunshot wound?
A) You should try to determine the bullet's pathway. B) The purpose of determining the bullet's pathway is to anticipate which organs may have been affected, which will help to guide your priorities for on-scene care or rapid transport. C) It is difficult to determine the pathway of a bullet because it may not travel in a straight line, possibly being deflected by structures in its path or being shifted by natural movements of the diaphragm and other organs and structures of the body. D) All of the above
Which of the following formulas is used to calculate the total amount of blood pumped by the heart per minute, or cardiac output?
a. Blood pressure ? SV b. Rate ? SV c. SV รท rate d. SV ? vascular resistance