A type of farsightedness that results from a loss of lens elasticity with age is
A) myopia.
B) hyperopia.
C) emmetropia.
D) presbyopia.
E) diplopia.
D
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The clusters [sk] and [ks] cannot occur in the same word positions in General American English. This is an example of the
a) phonetic inventory b) phonemic inventory c) phonotactics of a language d) allophonic variations of a language
Exocrine secretions are discharged onto some external or internal body surface through a
A) flagellum. B) cilium. C) plasma membrane. D) duct. E) microvillus.
When acetylcholine binds to receptors at the motor end plate, the muscle membrane becomes
A) More permeable to sodium ions. B) Less permeable to sodium ions. C) More permeable to potassium ions. D) Less permeable to potassium ions. E) Repolarized
Osteoblasts involved in bone growth in length come primarily from
A. chondrocytes. B. connective tissue surrounding blood vessels from the endosteum. C. osteocytes. D. periosteum. E. endothelium of blood vessels.