As middle-aged persons get older, the lenses of their eyes no longer assume as round a shape when their ligaments slacken. This results in difficulty in
A. seeing colored objects.
B. seeing distant objects.
C. seeing nearby objects.
D. seeing low-contrast scenes.
Answer: C
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There are two types of synapses, based on mode of communication. What are they?
A. Mechanical and electrical B. Mechanical and chemical C. Magnetic and physical D. Physical and chemical E. Chemical and electrical
Neurons from the nucleus gracilis
A) relay information directly to the cerebrum. B) decussate before entering the medial lemniscus. C) relay sensory information to the ipsilateral cerebral hemisphere. D) carry both crude and fine touch. E) relay information directly to the cerebrum and carry both crude and fine touch.
Which of the following statements concerning musculoskeletal system development is true?
A. Skeletal muscles develop from crest cells. B. Myoblasts produce somites. C. The vertebral column develops from somite-derived mesoderm. D. Enlargement of muscles after birth is due to an increase in the number of muscle fibers. E. Ossification ends before birth.
The spinous process of the scapula is located on the anterior scapula.
Answer the following statement true (T) or false (F)