Bell palsy is a condition characterized by the paralysis of facial muscles, eyelid droop, and sagging at the corners of the mouth. What nerve is affected in this condition?
A. Accessory
B. Olfactory
C. Hypoglossal
D. Facial
E. Trigeminal
Answer: D
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The number of distinct cell types in the human body is about twenty.
Answer the following statement true (T) or false (F)
Which of the following is true of a baserunner weighing 70 Newtons and a baserunner weighing 50 Newtons?
A. the centripetal force exerted on the heavier baserunner will be greater B. the heavier baserunner will not be able to run as fast around the bases, due to a greater centripetal force C. if the baserunners run at the same velocity around the bases, the heavier baserunner will have to lean in more towards the pitcher's mound due to a greater centripetal force D. all of the above are true
Which abundant white blood cell is characterized by a multi-lobed nucleus and fine reddish to violet granules in the cytoplasm?
A. Monocyte B. Basophil C. Neutrophil D. Eosinophil E. Lymphocyte
Which of the following structures opens directly into the nasal cavity?
A. paranasal sinuses B. auditory tubes C. lacrimal glands D. fauces E. epiglottis