You want to determine which part of the brain is most active when a person is forming a sentence before they say the words out loud. Which imaging technique would be most useful?
A. Sonography
B. Radiography
C. Angiography
D. Positron emission tomography (PET scan)
E. Computed tomography (CT scan)
Answer: D
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Myelopathy is:
A) disease of the spinal cord B) recurrent seizures of non-systemic origin C) disease of the bone marrow D) A and C
Describe differences between the structure of a duplicated chromosome before mitosis and the chromosome produced by separation of two chromatids during mitosis
What will be an ideal response?
When they leave the red marrow, pre-T-lymphocytes have
A. only the CD4 protein. B. only the CD8 protein. C. either the CD4 or CD8 protein. D. both the CD4 and CD8 proteins. E. neither the CD4 nor CD8 protein.
Which digestive activity is NOT correctly matched to its location?
A. killing microorganisms with lysozyme - stomach B. digestion of carbohydrates - mouth C. absorption of nutrients - small intestine D. production of mucus - esophagus