At which intercostal space is the apex of the heart normally located?
A) third intercostal space
B) first intercostal space
C) sixth intercostal space
D) fifth intercostal space
D
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The beta cells of the pancreatic islets produce
A) insulin. B) glucagon. C) somatostatin. D) cortisol. E) peptide P.
One way in which complement defends against bacteria is by binding to it and facilitating phagocytosis. This process is known as _____________
Fill in the blank with correct word.
Which of the following is an environmental factor that can lead to disease?
a. Chemical exposure b. Chromosomal duplication c. Emotional stability d. Immunologic response
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.