A synergist to zygomaticus, this muscle aids in smiling
A) risorius B) depressor anguli oris
C) orbicularis oris D) levator labii superioris
Answer: A
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Which of the cranial meninges consists of dense irregular connective tissue in two layers (the periosteal layer and the meningeal layer)?
A. Arachnoid B. Subarachnoid layer C. Subdural layer D. Dura mater E. Pia mater
In a case involving suspected thallium poisoning, which of the following findings would help prove the suspect's guilt?
A. Changes in the victim's fingerprints B. Changes in the amount of thallium in the victim's DNA molecules C. Changes in the victim's lung structure D. Changes in the concentration of thallium along the victim's hair shaft
The area of the cerebrum associated with sensations from skin is the:
a. precentral gyrus b. insula c. internal capsule d. postcentral gyrus
A functional group is best described as reoccurring clusters of
A) elements that occur in a salt and that can neither be hydrolyzed nor dehydrated. B) atoms that form the main reactive area for a particular compound. C) atoms that function in the body even if temperatures and pH reach extreme values. D) elements that form at high pH and who can successfully resist the action of buffers. E) amino acids in a globular protein such as hemoglobin, immunoglobulins, and albumins.