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Crank
3 years ago
11

A 35-year-old woman presented to the oral surgeon with an extremely painful molar tooth and a swollen gum. She reports that the

area "tastes bad." She has a fever, and the area is tender to the touch.
The surgeon drained the area of several milliliters of foul-smelling pus which was sent to the lab for aerobic and anaerobic culture and Gram stain.

1. Which of the following represents the expected Gram stain report?

A . WBCs and gram-positive cocci
B . WBCs and gram-negative rods
C . WBCs and a mixture of organisms
D . No WBCs seen, no organisms seen

2 . Which of the following represents the expected culture report?

A . Pure culture of Staphylococcus aureus
B . Pure culture of Streptococcus pyogenes
C . Mixed organisms representing normal oral microbiota
D . Mixed aerobic and anaerobic organisms

3. What is the usual treatment for this type of infection?

A . Surgical debridement and broad-spectrum antibiotics
B . Penicillin
C . Amoxicillin
D . None is required for normal organisms

4 . For what organism may the surgeon be particularly concerned if the infection appeared to be spreading through "sinus tracts"?

A . Actinomyces israelii
B . Streptococcus pyogenes
C . Escherichia coli
D . Bacteroides fragilis

5 . Why is this organism (#4) of concern?

A . It is notoriously resistant to antibiotics
B . It requires prolonged antibiotic therapy
C . It is highly contagious
D . It is pigmented
Biology
1 answer:
Ne4ueva [31]3 years ago
6 0

Answer:

1. A

2. B

3. A

4. B

5. B

Explanation:

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Answer:

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Explanation:

You may change anything you would like but I hope this helped!

6 0
3 years ago
The purpose of the mucus found within the respiratory system is to A. help move air through the windpipe. B. trap particles from
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2 years ago
An objects position is always defined relative to a reference point. If the object changes position, its motion can be described
Orlov [11]
The position of the diver is described as "below a certain point"; therefore, the reference point must be above the diver. For a diver in the middle of his dive, the bottom of the pool, the other swimmers and the far side of the swimming pool are likely to be below the diver, or at level with the diver at most. Out of the options, the only point of reference that is likely to be above the diver is B. the diving board. 
3 0
3 years ago
If you extract the DNA of the coliphage φ X174, you willfind that its composition is 25 percent A, 33 percent T,24 percent G, an
kifflom [539]

Answer:

This composition of nucleotide given in the question do not obey the chargaff"s rule.

Explanation:

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5 0
2 years ago
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Elena-2011 [213]

Answer:

Sexual reproduction is advantageous over asexual reproduction because it reduces the rate of mutation accumulation.

Explanation:

The main advantage of sexual reproduction is that it increases the genetic variation in the species by creating new combinations of alleles.

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Sexual reproduction does not reduce the rate of mutation, which is influenced by environmental factors as well as the genome itself.

3 0
2 years ago
Read 2 more answers
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