Smoking kills the ciliated cells of the tracheal mucosa. Which of the following symptoms found in smokers is one consequence of this?
A. A gravelly voice
B. A shortness of breath
C. Chest pain
D. A smokers cough
Answer: D
Anatomy & Physiology
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Which of the following is the brown-black form of melanin?
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Which of the following formed elements in blood are removed by fixed macrophages in the spleen and liver after only 5 to 9 days in the circulation?
a) erythrocytes b) thrombocytes c) monocytes d) basophils e) eosinophils
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Retrograde transport moves toward or away from the body?
What will be an ideal response?
Anatomy & Physiology
Which of the following is an excitatory neurotransmitter in the brain?
A. Lipofuscin B. Glutamate C. Glycine D. Gamma-aminobutyric acid (GABA) E. Aspartate
Anatomy & Physiology