This pathogen is the most common cause of neonatal pneumonia, sepsis, and meningitis in the United States:
A. Staphylococcus aureus
B. Staphylococcus epidermidis
C. Staphylococcus saprophyticus
D. Streptococcus pyogenes
E. Streptococcus agalactiae
Ans: E. Streptococcus agalactiae
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Matching. Choose the one most appropriate answer
for each. 1. ___ compartmentalization 2. ___ effector 3. ___ habitat 4. ___ interstitial fluid 5. ___ apoptosis 6. ___ plasma 7. ___ stimulus 8. ___ tissue A. form of energy that a receptor can detect B. where an organism lives C. muscles and glands are examples D. plant response to attack E. fluid that bathes all cells F. fluid portion of the blood G. programmed cell death H. groups of cells with a common function
You have a significant reduction in the amount of pulmonary surfactant. What is the likely effect?
a. The risk of bacterial infection will increase. b. The risk of having chronic obstructive pulmonary disease will increase. c. The bronchioles will constrict, which will increase airway resistance. d. The lungs will be difficult to inflate. e. Gas exchange cannot occur.
A gene that can cause cancer when present in a single copy in a cell is called a(n)
A) oncogene. B) tumor-suppressor gene. C) proto-oncogene.
Fibrous structures with three "arms" some archaea use for attachment to surfaces are (fimbriae/hami/pili).
Fill in the blank(s) with the appropriate word(s).