Which of the following statements concerning olfaction is true?
A. Olfaction first goes to the thalamus and is then relayed to the cerebral cortex.
B. Continued stimulation of olfactory neurons produces the same level of response.
C. Olfactory epithelial receptors are highly specific.
D. Replacement of neurons is a common phenomenon in the body.
E. Damaged olfactory neurons are replaced.
Answer: E
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The hemoglobin found in erythrocytes is able to chemically attach to
A. only oxygen. B. only carbon dioxide. C. only nitrogen D. both oxygen and carbon dioxide. E. oxygen, carbon dioxide, and nitrogen.
Which of the following statements regarding phagocytes and phagocytosis is true?
A. Macrophages, monocytes, and mast cells are phagocytes. B. Contact of phagocytes with microbes stimulates the phagocytes to release chemicals that mediate the inflammatory response. C. Phagocytosis is stimulated by the presence of proteins called rhodopsins. D. Phagocytosis is the process by which leukocytes exit the bloodstream. E. Phagocytosis is a process that only occurs within the bloodstream.
All water in the human body comes from dietary sources.
Answer the following statement true (T) or false (F)
Force feeding or irrigation through a tube passed into the stomach is termed:
A) enema B) edema C) gavage D) cahexia E) cirrhosis