Which layer of the epidermis is composed of a single row of cuboidal or columnar keratinocytes?
a) Stratum basale
b) Stratum spinosum
c) Stratum granulosum
d) Stratum lucidum
e) Stratum corneum
Answer: a
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The forearm includes the
A. radius. B. radius and ulna. C. radius, ulna, and carpal bones. D. radius, ulna, carpal bones, and hand.
Which is true about the growth of long bones?
A. Osteoclasts are responsible for depositing new bone tissue at the epiphyseal growth plate before puberty. B. Osteoblasts dissolve bone tissue when bones remodel in response to sex hormones. C. Before adolescence, bones are completely made up of cartilage; after puberty they ossify and harden. D. Growth in length occurs at a single epiphyseal growth plate in the center of the shaft of long bones. E. Growth in length occurs at two epiphyseal growth plates near the ends of long bones.
Which depress(es) the ribs?
A. Serratus posterior inferior B. Transversus thoracis C. Internal intercostals D. Two of the choices are correct. E. All of the choices are correct.
Fibers connecting areas of the cerebral cortex within the same hemisphere are ________ fibers.
A. projection B. association C. commissural