The olfactory nerves (CN I) are formed by:
A) olfactory bulbs. B) supporting cells.
C) olfactory tracts. D) axons of the olfactory neurons.
Answer: D
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Which is not a change associated with the aging of the respiratory system?
A. Decrease in the ventilation rate B. Reduction in the number of alveoli C. Accumulation of carbon, dust, and pollution in the lungs D. Reduction in the amount of gas that can be exchanged E. Increase in the elastic connective tissue in the lungs and the thoracic cavity wall
How many intervertebral discs are there? (Note: Be sure your answer is a numeral, e.g. "5" vs "five").
Fill in the blank(s) with the appropriate word(s).
Which of the following occurs when tension production rises to a peak and very brief periods of relaxation occur?
A) resting period B) latency C) tension plateau D) incomplete tetanus E) complete tetanus
Haploid cells differ from diploid cells in that haploid cells have _____ the number of chromosomes as diploid cells.
A. Half B. Twice C. Three times D. Four times