When you spin quickly, you may feel dizzy. Which component of the inner ear generates the sensations that can lead to this feeling?
A) semicircular canal
B) utricle
C) saccule
D) maculae
E) spiral ganglion
Answer: A
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Which of the following is most likely to cause anemia?
A. High altitude B. Air pollution other than by carbon monoxide C. Renal disease D. Smoking E. Any factor that creates a state of hypoxemia
Which of the following is usually the first cell type to leave the blood and enter infected tissues?
A. Monocyte B. Eosinophil C. Lymphocyte D. Neutrophil E. Natural killer cell
The figure illustrates a medial view of bones of the right foot. What does "C" represent?
A. Metatarsals B. Talus C. Tibia D. Calcaneus E. Fibula
What is it about a cell that identifies it as a target cell for a hormone?
A. The ability of the target cell to perform a specific function B. Its location near the gland that secretes that hormone C. The size of the target cell D. The presence of a receptor specific for that hormone E. Its ability to inactivate the hormone