Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture
Indicate whether the statement is true or false
TRUE
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Most of the parasympathetic ganglia lie in chains along the spinal cord called sympathetic trunks.
Answer the following statement true (T) or false (F)
Which is correct about the contraction sequence of the heart?
A. Contraction begins in the order: right atrium, then right ventricle, then left atrium, then left ventricle. B. The atria and ventricles begin their contractions at the exact same time, but the atrial contraction only lasts half as long as the ventricle contraction. C. The contraction and relaxation of all four chambers happen at the same time. D. The two atria contract at the same time, and as they are relaxing, the two ventricles contract together. E. The right atrium and ventricle contract at the same time, and as they are relaxing, the left atrium and left ventricle begin to contract.
All of the following muscles contribute to moving the mandible to the right (right lateral excursion) EXCEPT the
A. right temporalis. B. left lateral pterygoid. C. left medial pterygoid. D. right masseter. E. right lateral lateral pterygoid
What is the average respiratory rate under resting conditions for most people?
a. 7 breaths per minute b. 9 breaths per minute c. 12 breaths per minute d. 16 breaths per minute e. 20 breaths per minute