What large, umbrella-shaped sheet of muscle separates the contents of the chest from the contents of the abdomen and plays a key role in the process of breathing?
a. epiglottis
b. thoracic muscles
c. diaphragm
d. intercostals
e. oblique abdominals
c
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Which of the following best describes the action of a thiazide diuretic?
a. It works on the distal tubules of the kidneys, causing increased excretion of water, sodium, chloride, and potassium. b. It works on the ascending loop of Henle. c. It increases the concentration of the plasma and fluid in the renal tubules. d. It works in the distal duct renal tubules to promote water and electrolyte excretion.
Richard has asthma and has not used his metered-dose inhaler for more than 24 hours. What should he do before using the inhaler again?
A) Shake for at least 60 seconds. B) Discharge a waste dose. C) Take it apart and sterilize it. D) Use a small volume nebulizer.
Discuss two smart test preparation strategies that are described in chapter 4 and that you find useful
Answer the following statement(s) true (T) or false (F)
1. Drinking water is the recommended way to rehydrate the body when exercise duration is less than one hour. 2. Sport drinks should have a carbohydrate concentration of at least 15 percent. 3. Due to less testosterone, women's exercise endurance may be lower than men's. 4. Female athlete triad is the term for a female athlete who is underweight and nonmenstruating. 5. The female athlete triad is a life-threatening syndrome.