Osteogenesis imperfecta is
A. a disease in children characterized by soft, bowed, and swollen bones.
B. bone inflammation that often results from bacterial infection.
C. a group of genetic disorders producing very brittle bones that are easily fractured; this occurs because of insufficient collagen development.
D. a disease in adults characterized by softening of bones resulting from calcium depletion.
E. a disease in adults, especially women, characterized by a reduced amount of bone matrix.
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. A tissue containing cells capable of changing membrane potential is an excitable tissue. 2. The serous membrane lining the circulatory system is a mesothelium. 3. In an epithelium, there is almost no extracellular matrix. 4. Fibrocartilage is found in intervertebral discs. 5. Blood consists of cells and a ground substance made of formed elements.
A clot that breaks loose and travels in the blood flow is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
The chorion _____ and the amnion _____
A) is the part of the blastocyst that is not the inner cell mass; is the inner cell mass B) is the outer protective membrane around the embryo; is the site where an embryo is implanted into the uterus C) projects into the endometrium and helps form the placenta; is a membrane that encircles a developing embryo D) is the site from which primary germ layers develop; is the site from which secondary germ layers develop
Stereoscopic vision provides ________.
A. bipedalism B. opposition of thumbs C. opposable perception D. depth perception E. color perception