Which of these allow nutrients to diffuse from the central canal to all the osteocytes within an osteon?
a. perforating canals
b. lamellae
c. lacunae
d. canaliculi
Ans: d. canaliculi
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The normal sequence of developmental stages is
a. blastocyst, morula, zygote, embryo, fetus b. blastocyst, zygote, embryo, morula, fetus c. morula, fetus, embryo, blastocyst, zygote d. morula, zygote, fetus, blastocyst, embryo e. zygote, morula, blastocyst, embryo, fetus
When the radius and ulna are parallel with one another, the forearm is said to be in pronation.
Answer the following statement true (T) or false (F)
The best place to make an "emergency" airway is through the
A. cricothyroid membrane. B. thyrohyoid membrane. C. trachea above the thyroid isthmus. D. trachea at the level of the thyroid isthmus. E. trachea below the thyroid isthmus.
Preganglionic cell bodies or axons are found in all the following EXCEPT:
A. intermediolateral cell column B. thoracic ventral root C. white communicating ramus D. paravertebral ganglion E. gray communicating ramus