A diagnostic technique that employs a radiopaque dye injected into blood vessels is called a(n)
A) digital subtractive angiography (DSA).
B) radiograph.
C) CT scan.
D) MRI.
E) ultrasound.
A) digital subtractive angiography (DSA).
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You're working in a clinical lab and your boss has asked you to run a test on a patient's MHC Class I molecules. You need to isolate some cells from her collected tissues that express the Class I proteins. Which of the following cell types would you NOT use?
A. Neurons B. Liver cells C. Intestinal epithelial cells D. Red blood cells E. Skeletal muscle cells
Increased blood calcium levels result in increased
A) secretion of calcitonin. B) osteoclast activity. C) secretion of parathyroid hormone. D) retention of calcium by the kidneys. E) excitability of neural membranes.
The proximal convoluted tubule is lined with a
A. cuboidal epithelium with a large surface area. B. simple squamous endothelium that makes a slick surface. C. simple columnar epithelium with a slick smooth surface. D. stratified squamous epithelium with a tough, durable surface. E. stratified squamous epithelium with a large surface area.
Differentiate terminal bronchioles from respiratory bronchioles
What will be an ideal response?