Infants have __________ deciduous teeth, whereas adults have __________ permanent teeth.
A. 20; 32
B. 16; 20
C. 28; 20
D. 32; 20
E. 32; 32
A. 20; 32
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Synovial fluid is
A. a watery fluid produced by hyaline cartilage. B. an oily fluid produced by the synovial membrane. C. a watery fluid produced by capsular ligaments. D. an oily fluid produced by articular cartilage.
Increased blood pressure stimulates ________.
A. postural hypotension B. decreased parasympathetic outflow to the heart C. decreased sympathetic outflow to the heart D. decreased outflow from the baroreceptors
The hepatic portal system:
a. is the second capillary system b. receives venous blood from the digestive system c. helps maintain glucose homeostasis d. all of the above
The police officers also want to know if you can determine the age at death of the skeleton. You determine that all long bone epiphyses have fused to their diaphyses, and all permanent teeth are erupted. The cranial sutures are still open, and the symphysial surface is flattened, but there is no complete rim around the symphysis. Based on these features, a likely age range for the skeleton would be
a. younger than 10 years. b. 10-20 years. c. 20-35 years. d. 35-50 years.