Craniostenosis is the premature fusion of one or more skull sutures in an infant. Predict what problem may arise if the skull sutures prematurely ossify during infancy
What will be an ideal response?
Unfused sutures give the infant skull a significant amount of flexibility during birth and also for the growth of the brain during infancy. If the one or more sutures fuse prematurely, as with craniostenosis, brain development can be restricted and skull deformity may result.
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Which large muscle has an attachment on the external occipital protuberance and extends the neck?
A. Splenius capitis B. Semispinalis capitis C. Sternocleidomastoid D. Trapezius E. Longissimus
Three anterior swellings of the neural tube that appear during the fourth week of development are the forebrain, midbrain, and __________.
Fill in the blank(s) with the appropriate word(s).
The kidney tubules are a site where ____ epithelial tissue located.
a) simple squamous b) simple columnar c) pseudostratified columnar d) stratified squamous e) simple suboidal
Which of the following best describes arteries?
A. Strong, elastic vessels that carry blood under high pressure B. Strong, rigid vessels that carry blood under high pressure C. Elastic vessels that connect arterioles and venules D. Thin, elastic vessels that transport blood under low pressure E. Fragile vessels that are prone to rupture