Answer the following questions true (T) or false (F)
1. An agonist is a muscle that provides most of the force required for a given movement.
2. A first-class lever has the fulcrum situated farther from the point of the applied force, with the load to be moved in between.
3. The medial rectus muscle and lateral rectus muscle pull the eye in the same direction.
1. TRUE
2. FALSE
3. FALSE
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Which of the following factors would increase the amount of oxygen discharged by hemoglobin to peripheral tissues?
A) decreased temperature B) decreased pH C) increased tissue PO2 D) decreased amounts of BPG E) decreased temperature and decreased amounts of BPG
Which of the following is NOT a sign of inflammation?
a) Redness b) Pain c) Heat d) Mucus production e) Swelling
The parietal, temporal, frontal, and occipital bones are part of (the)
A) cranium. B) facial bones. C) skull. D) axial skeleton. E) None of the answers are correct.
What are the chemical messengers released by neurons that are used to either to excite or to inhibit other cells?
A) paracrines B) neurotransmitters C) hormones D) None of the listed responses is correct.