Which diagnostic test injects contrast dye through a catheter into the heart?
A. Nuclear heart scan
B. Cardiac catheterization
C. CT angiography
D. Heart CT scan
Answer: B
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The proteins that B cells produce that attack foreign molecules are
A) MHC complexes. B) lymphocytes. C) interleukins. D) antibodies.
Carbon dioxide is transported in the blood in all the following ways except
a. bicarbonate ion b. carbonic acid c. directly dissolved d. bound to heme e. bound to globin
The figure illustrates a cross section of the spinal cord. Which structure is indicated by "A"?
A. Ventral root B. Dorsal root ganglion C. Dorsal root D. Spinal nerve E. Central canal
Sixteen year-old Jake is diagnosed with hydrocephaly. What will this do if left untreated?
A. The brain will shrink and shrivel. B. The excess fluid will exert pressure on his brain. C. The cerebral cortex will absorb the excess fluid and swell. D. Tthe choroid plexus will enlarge. E. The arachnoid granulations will halt their function.