Answer the following statements true (T) or false (F)
1. The single most important blood buffer system is the bicarbonate buffer system.
2. One of the most powerful and plentiful sources of buffers is the protein buffer system.
3. As ventilation increases and more carbon dioxide is removed from the blood, the hydrogen ion concentration of the blood decreases.
4. Regulation of the acid-base system is accomplished mainly through respiratory control, and the kidneys also play a small role.
5. Severe damage to the respiratory system rarely will result in acid-base imbalances.
1. TRUE
2. TRUE
3. TRUE
4. FALSE
5. FALSE
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Ralph sustained a leg injury in a bowling accident and had to use crutches. Unfortunately, he never took the time to learn how to use them properly. After two weeks of use, he noticed his fingers were becoming numb. Then he noticed his arms were getting weaker and tingling. What could be his problem?
What will be an ideal response?
Tactile sensation is a combination of touch, pressure, stretch and vibration. Which of the following is most likely the receptor type that senses tactile stimulation?
A) mechanoreceptors B) proprioceptors C) nociceptors D) thermoreceptors
Decreased levels of bile salts in the bile would interfere with digestion of
A) vitamins and minerals. B) carbohydrates. C) protein. D) fat. E) nucleic acids.
Most buffer systems in the body consist of
a) A weak acid b) A weak base c) A weak acid and the salt of that acid d) A weak base and the salt of that base e) None of these are correct