Which of the following membranes acts as a rigid roof over the cilia of the hair cells of the spiral organ, causing the cilia to bend against it when sound waves are present?
A. Tectorial membrane
B. Basilar membrane
C. Vestibular membrane
D. Cochlear membrane
E. Tympanic membrane
Answer: A
Anatomy & Physiology
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Indicate whether the statement is true or false
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What condition results if muscles are not used, such as when immobilized in a cast for healing a broken bone?
A) hypertrophy B) lordosis C) atrophy D) spina bifida E) scoliosis
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Ribs 8 to 12 are called ________ because they do not attach directly to the sternum
A) free B) false C) floating D) fibrous E) filamentous
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Which type of leukocyte increases in number because of the presence of an allergen?
A. Basophil B. Lymphocyte C. Monocyte D. Neutrophil E. Eosinophil
Anatomy & Physiology