Examlex
Use the Lucas sequence to answer the question.
-What is the 20th term of the Lucas sequence?
Positive Romberg Sign
A sign of neurological dysfunction where a person sways or falls when standing with feet together and eyes closed, indicating proprioceptive or vestibular impairment.
Sternomastoid
A major muscle in the neck that runs from the sternum and clavicle to the mastoid process of the temporal bone, involved in head movement and rotation.
Anterior and Posterior Triangles
Regions of the neck divided by the sternocleidomastoid muscle into front (anterior) and back (posterior) areas.
Hydrocephalus
A condition characterized by an abnormal buildup of cerebrospinal fluid in the ventricles of the brain.
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Q167: 520 and 616 are amicable numbers.
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Q257: What is 87% of 381?<br>A)331.47<br>B)33,147.00<br>C)33.15<br>D)3314.70
Q275: (-11)(-21)<br>A)-32<br>B)231<br>C)242<br>D)-231