Explain the relationship between chickenpox and shingles, how each is contracted, and how each can be prevented
What will be an ideal response?
Answer: Both chickenpox and shingles are caused by the same virus, varicella-zoster virus (VZV). Chickenpox is a common childhood disease caused by VZV, which is contracted via inhalation of close person-to-person contact. The VZV remains latent in nerve cells and when an individual becomes immunocompromised can cause the disease known as shingles. Vaccines are now available to prevent both of these diseases.
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The difference between the per capita birth rate and the per capita death rate is the ____
a. per capita growth rate b. per capita population curve c. intrinsic rate of increase
d. geometric population curve e. exponential population curve
Which of the following is true about sinusitis caused by allergy?
A. Produces a clear, watery discharge B. Preceded by viral rhinitis C. Caused by Streptococcus pneumoniae D. Produces a greenish or yellowish mucous discharge E. Usually introduced by trauma
A human population living without medical care in a developing country would probably have ____
a. a rectangle-shaped age structure diagram b. an r value < 0 c. a pyramid-shaped age structure diagram d. per capita birth and death rates consistent with those of a stage 4 society e. no density dependent factors operating
In rabies, spasms of muscles for swallowing leads to a fear of water.
Answer the following statement true (T) or false (F)