Quiet inspiration requires the ________.
A. contraction of the diaphragm and the external intercostals only
B. contraction of the diaphragm only
C. contraction of the diaphragm and the internal intercostals only
D. relaxation of all the respiratory muscles
Answer: A
You might also like to view...
Cells that are responsible for producing skin color are called ____
a. keratinocytes b. melanocytes c. fibroblasts d. Meissner's corpuscles
Which of the following is not composed of cuboidal epithelium?
A. The thick segment of the nephron loop B. The thin segment of the nephron loop C. The collecting duct D. The distal convoluted tubule E. The proximal convoluted tubule
If a substance has a pH that is greater than 7, it is
A) neutral. B) acidic. C) alkaline. D) a buffer. E) a salt.
Answer the following statements true (T) or false (F)
1. Adults have less water per pound of body weight than do infants. 2. Men tend to have less water per pound of body weight than do women. 3. Slender people tend to have more water per pound of body weight than do obese people. 4. The most important mechanism in regulating fluid balance is to adjust fluid intake. 5. The three main sources of fluid intake are the fluids we drink, the liquid in the food we eat, and the water formed by metabolic processes.