Of the three pathways for supplying ATP to the muscle, which pathway(s) do slow-twitch fibers prefer?
A. the creatine phosphate pathway or aerobic respiration
B. aerobic respiration
C. fermentation
D. the creatine phosphate pathway
E. the creatine phosphate pathway or fermentation
Answer: B
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For the amino acid glutamine, the three-letter abbreviation is ________ and the one-letter is ________.
Fill in the blank(s) with the appropriate word(s).
Marathon runners are encouraged to stop at water stations along the course to stay hydrated. However, occasionally a runner drinks too much water and suffers from hyponatremia, or "water intoxication". While water itself is not toxic, drinking too much can upset ion balance in the extracellular space. Based on what you know about ions and nerve signaling, the levels of which important ion are most likely to be disrupted in hyponatremia?
The word hyponatremia derives from the words hypo ("under" or "less") and natrium ("sodium"). The word natrium is the basis for the abbreviation Na for sodium. Hyponatremia is a rare condition, but has become of more concern with the rise in amateur runners participating in marathons. Since they run slower, they spend longer on the course and have more opportunity to drink water and sweat out additional sodium. A. hydrogen B. potassium C. calcium D. sodium E. oxygen Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about components of the nervous system? What other information is related to the question? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Mast cells release what during an allergic reaction?
a. prostaglandins b. glycoproteins c. histamine d. glucosamine
The profundal zone is indicated by
a. A. b. B. c. C. d. D. e. none of these.