Calculate the mean arterial pressure for a person whose blood pressure is 125/70
A) 55 mm Hg
B) 97.5 mm Hg
C) 88.3 mm Hg
D) 113.3 mm Hg
E) 143.3 mm Hg
Answer: C
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Immature, active bone cells that produce new bone matrix are termed
A) osteocytes. B) stem cells. C) osteoblasts. D) osteoclasts. E) chondrocytes.
Bones are classified by whether they are weight bearing or protective in function
Indicate whether the statement is true or false
The following is a list of the events that occur during a muscle contraction. What is the correct sequence of these events?
1. Myosin cross-bridges bind to the actin. 2. The free myosin head splits ATP. 3. Calcium ion is released from the sarcoplasmic reticulum. 4. The myosin head pivots toward the center of the sarcomere. 5. Calcium ion binds to troponin. 6. The myosin head binds an ATP molecule and detaches from the actin.
Where is blood pressure the greatest?
A. Capillaries. B. Arteries. C. Arterioles. D. All are the same.