O2 levels are much more closely regulated than CO2 levels in the arterial blood
Indicate whether the statement is true or false
F
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Answer the following statements true (T) or false (F)
1. The sensor in a feedback loop compares the actual condition to the “normal” condition the body tries to maintain. 2. The effector in a negative feedback loop does something to move the regulated condition back to “normal.” 3. The sensor in a negative feedback loop detects a change in the regulated condition. 4. In the negative feedback loop, the effector is the link between the sensor and the control center. 5. The formation of a blood clot is an example of a negative feedback loop.
The upper esophageal sphincter is the pharyngoesophageal sphincter, and the lower esophageal sphincter is the gastroesophageal sphincter
a. True b. False Indicate whether the statement is true or false
Respiratory acidosis can be compensated for by _______.
A) the kidneys B) rebreathing C) hyperventilation D) hypoventilation E) hypoventilation and rebreathing
An essential amino acid
A. can be formed from fats in the body. B. can be synthesized by the body if there is enough nitrogen. C. must be made from glucose. D. must be supplied in the diet. E. can not be converted to nonessential amino acids.