Dentin
A) forms the surface of the crown of the teeth.
B) holds the teeth to the periodontal ligaments.
C) is found in the pulp cavity.
D) makes up most of the structure of the teeth.
E) is harder than enamel.
Answer: D) makes up most of the structure of the teeth.
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Answer the following statement true (T) or false (F)
As resistance increases, the flow of blood increases if the pressure is constant
Indicate whether the statement is true or false
Fred was admitted to the cardiac unit with chest pains. No arrhythmias and no large changes in the heart rate were observable. Blood samples taken over the next few days showed no increase in enzymes, such as creatine phosphokinase. A possible treatment of the condition is
A. exercise. B. aspirin. C. beta adrenergic blocking agents. D. nitroglycerin. E. calcium channel blocking agents.
At what stage of development of RBCs does hemoglobin production begin?
A) stem cell B) proerythroblast C) reticulocyte D) mature erythrocyte