Which inspiratory muscles contract so we can inspire air?
A) rectus abdominis; external obliques
B) diaphragm; external intercostals
C) trapezius; latissimus dorsi
D) diaphragm; external obliques
B
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Which of the following would NOT affect blood glucose levels?
A. Protein content of a meal B. Gastrointestinal hormones C. Fat content of a meal D. Autonomic nervous system E. Breakdown of glycogen
What is an accessory organ of the digestive system?
A. An organ that is not necessary for the digestion process B. An organ that food passes through, but it does not secrete any digestive enzymes C. An organ that accomplishes mechanical digestion of food D. An organ that contributes secretions into the alimentary canal, but food does not pass through it E. An organ that is part of the alimentary canal
The circulatory system does which of the following?
a. carries nutrients from the digestive system to all of the body's tissues b. protects the body from the spread of infection, by playing several roles in inflammation c. stabilizes the pH of extracellular fluids by buffering acids and bases d. carries metabolic wastes from the cells of the body to the kidneys for removal e. all of the above
Which of the following statements about the citric acid cycle is false?
A. The process occurs in the mitochondria. B. The major end product of the cycle is lactic acid. C. At several steps, NADH molecules are formed. D. Carbon dioxide is produced at several steps in the cycle. E. Two ATP are formed in the cycle from one glucose.