Patches of melanin found on the skin form ________.
A. melanocytes
B. freckles
C. bilirubin
D. carotene
Answer: B
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Dental plaque
A) anchors teeth to their bony sockets. B) protects teeth from bacteria-induced tooth decay. C) is calcified organic matter on the surface of teeth. D) consists of food particles trapped in a sticky matrix. E) forms a bone-like protective layer.
A suture joint fits into which functional joint classification?
a) synarthrosis. b) amphiarthrosis. c) diarthrosis. d) synovial. e) cartilaginous.
Parasympathetic neurons release acetylcholine onto cells in the atria of the heart, but not onto cells of the ventricles.
Answer the following statement true (T) or false (F)
The suture that connects the two parietal bones together is the ________
A) coronal B) squamous C) lambdoid D) sagittal