The outer covering of the crown of a tooth consists of which substance?
A. Cementum
B. Enamel
C. Dentin
D. Pulp
Answer: B
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Describe what is happening during the phase of the cardiac action potential labeled 2 in the diagram
What will be an ideal response
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
Which salivary gland produces a serous secretion containing large amounts of salivary amylase?
A) mandibular B) sublingual C) lingual D) submandibular E) parotid
Which medical imaging technique would be most useful for revealing a tumor in the brain?
A. Radiography B. Echocardiography C. Computed tomography (CT) scan D. Sonography E. Either a CT scan or sonography would be appropriate.