The bones, muscles, internal organs, dentin, cementum, and pulp of the teeth are formed from which layer?
a. Ectoderm
b. Endoderm
c. Mesoderm
d. Both a and c
c
RATIONALE: The bones, muscles, internal organs, dentin, cementum, and pulp of the teeth are formed from the mesoderm phase of embryonic development.
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You are assessing a patient involved in a motorcycle accident. He states that he saw an oncoming car and "laid the bike down" to avoid an outright collision. He was wearing a helmet. Which of the following injuries would make sense given the action of the motorcyclist?
A) Angulation to both femurs B) "Road rash" to the entire body C) Burn to the inside of the leg D) Bilateral broken forearms
Which one of the following circumstances does not require the contract to be in writing?
Prenuptial agreement Sale of goods over $50.00 Sale of land Collateral contracts