Answer the following questions true (T) or false (F)
1. The majority of blood is plasma.
2. When oxygen concentrations are low in tissues surrounding systemic capillaries, hemoglobin releases oxygen to become carboxyhemoglobin.
3. Erythropoiesis operates on a positive feedback loop maintained by erythropoietin.
1. TRUE
2. FALSE
3. FALSE
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Organizational culture that does not take a disciplinary approach to errors should have
A. Open communication about errors B. Early detection and recovery from errors C. Feedback regarding processes that led to errors D. Both A and B E. All of the above
Which of the following is a cartilaginous joint?
A) synchondrosis B) suture C) syndesmosis D) gomphosis
Which is true about mediated transport of substances across cell membranes?
A. It involves a specific membrane protein that functions as a carrier molecule. B. It always involves the movement of substances against a concentration gradient. C. It is always directly coupled to the splitting of ATP molecules. D. There is no limit to how fast it can occur as the concentration gradient becomes larger. E. It is the main mechanism for transporting hydrophobic molecules across membranes.
Which effector listed below is found in the reflex arc for defecation?
A. Spinal cord B. Stretch receptors in the rectal wall C. The rectal wall D. Motor neurons in the rectal wall