QUESTION 21 Critical results from the microbiology department must be communicated to the clinician immediately. All of...

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Biology

QUESTION 21
Critical results from the microbiology department must becommunicated to the clinician immediately. All of the followingresults are considered critical except:
a.
positive spinal fluid gram stain on culture
b.
blood smear for malaria
c.
negative acid fast stain
d.
Streptococcus pyogenes from a surgical wound
QUESTION 22
The tech working on an aerobic wound culture is identifying acolony that is large, gray, and non-hemolytic on blood agar. Thetech prepares a gram stain of the colony and notices a consistencysimilar whisked egg whites. The gram stain reveals a largegram-positive Bacillus. What is the most likely identification ofthis colony?
a.
Bacillus anthracis
b.
Burkholderia mallei
c.
Bacillus cereus
d.
Fransicella tularensis
QUESTION 23
Which of these describes the mode of action of the antibioticbeta-lactam class of antibiotics?
a.
inhibits DNA synthesis
b.
inhibits RNA synthesis
c.
inhibits protein synthesis
d.
inhibits cell wall synthesis

Answer & Explanation Solved by verified expert

3.6 Ratings (382 Votes)

1 Option C negative acid fast stain A normal result for an acidfast bacteria smear is negative meaning no bacteria were found in the sputum sample 2Option C Bacillus cereus Bacillus See Answer

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	a.	positive spinal fluid gram stain on culture
	b.	blood smear for malaria
	c.	negative acid fast stain
	d.	Streptococcus pyogenes from a surgical wound

	a.	Bacillus anthracis
	b.	Burkholderia mallei
	c.	Bacillus cereus
	d.	Fransicella tularensis

	a.	inhibits DNA synthesis
	b.	inhibits RNA synthesis
	c.	inhibits protein synthesis
	d.	inhibits cell wall synthesis