The causative agents of lumpy jaw are:
a. Clostridium spp.
b. Bacteroides spp.
c. Prevotella spp.
d. Actinomyces spp.
D
Actinomyces spp. are the causative agents of lumpy jaw.
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When a person's blood pH is too low, the kidneys will restore a healthier balance by ________
A) secreting more sodium ions into the urine B) reabsorbing more hydrogen ions from the filtrate C) secreting excess hydrogen ions into urine D) slowing ventilation
Smooth muscle contracts when calcium binds to __________ and activates __________
Fill in the blank(s) with the appropriate word(s).
Which of the following is not true?
A. Ribosomes contain nucleic acid B. Ribosomes are made of protein. C. mRNA is read from the 5' to 3' direction D. New nucleotides are added to the 3' end of the new strand.
The neurotransmitter acetylcholine ____.
A. speeds heart rate B. induces skeletal muscle contraction C. increases anxiety D. has a role in memory and learning E. dilates pupils