Variation in the number of bones in an adult may be due to:
a. fusion of bones
b. sutural bones
c. sesamoid bones
d. all of the above
Answer: d. all of the above
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What is the role of NADH in metabolism?
A) convert pyruvic acid into acetyl-coA B) produce bicarbonate ions for a pH buffer C) transport hydrogen atoms to coenzymes D) produce carbon dioxide E) phosphorylate ADP into ATP
Damage to the glenoid labrum would affect the fit of which bone at its articulation site?
A) Femoral head at the hip B) Humeral head at the shoulder C) Ulnar head at the elbow D) Clavicle at the shoulder
The sympathetic division of the ANS is also called the thoracosacral division.
Answer the following statement true (T) or false (F)
Which of the following does not contribute to defense of the respiratory system?
a. coughs and sneezes b. cilia-propelled mucus escalator c. alveolar macrophages d. normal microbial population of the lungs e. IgA antibodies