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Meet the KeyPURs
Key Points & Useful Repetition
The Problem
Content heavy curriculum and no where to cut
Retaining basic facts over the course of the semester
Retaining basic facts for professional practice
Solution
Meet the KeyPURS Series of foundational blocks of information Points awarded weekly
New information Repeat information
Explanation to students
Useful repetition NOT busy work Points awarded for correct answers Manipulative created for professional practice Challenge 100% correct response on
specific KeyPUR exam questions Ready, set, go!
Format
Chart format Pathogen Environment Gram stain morphology Additional information (no more than 3)
Week 1
Meet the KeyPURS (fill in the blank challenge for week 1)
Week Organism Environment Gram stain morphology
Additional information
1 Staphylococcus aureus
Week 1 Answers
Week Organism Environment Gram stain morphology
Additional information
1 Staphylococcus aureus
aerobe Gram + cocci s/pr/cl
Catalase+
Coagulase+
Week 2
Week Organism Environment Gram stain morphology
Additional information
1 Staphylococcus aureus
2 Streptococcus pyogenes
Week 2 Answers
Week Organism Environment Gram stain morphology
Additional Info.
1 Staphylococcus
aureus
aerobe Gram + cocci/s/pr/cl
Catalase+
Coagulase+
2 Streptococcus pyogenes
aerobe Gram + cocci s/pr/ch
Catalase=
PYR+
BSA
Week 3
Week Organism Environment Gram stain morphology
Additional Info.
1 Staphylococcus
aureus
2 Streptococcus pyogenes
3 Enterococcus species
Week 3 Answers
Week Organism Environment Gram stain morphology
Additional Info.
1 Staphylococcus
aureus
aerobe Gram + cocci
s/pr/cl
Catalase +
Coagulase=
2 Streptococcus pyogenes
aerobe Gram + cocci
s/pr/ch
Catalase=
PYR+
BSA
3 Enterococcus species
aerobe Gram + cocci
s/pr/ch
Catalase=
Hydrolyzes BE
PYR+
Week 4Week Organism Environment Gram stain
morphologyAdditional Info.
1 Staphylococcus
aureus
2 Streptococcus pyogenes
3 Enterococcus species
4 E.coli
Week 4 Answers
Week Organism Environment Gram stain morphology
Additional Info.
1 Staphylococcus
aureus
aerobe Gram + cocci s/pr/cl
Catalase +
Coagulase +
2 Streptococcus pyogenes
aerobe Gram + cocci s/pr/ch
Catalase=
PYR+
BSA
3 Enterococcus species
aerobe Gram + cocci
s/pr/ch
Catalase=
Hydrolyzes BE
PYR+
4 E.coli aerobe Gram = bacilli Oxidase=
Indole+
And so on…..weeks 5,6,7,8,9
Building new information on top of the old New weekly information often corresponded
with lecture material and laboratory experience
2 points for each correct line (all information had to be correct to receive credit for that line)
Continues through week 10
Finally reaching week 10
Week Organism Environment Gram stain morphology Additional
Info
1 Staphylococcus
aureus
2 Streptococcus
pyogenes
3 Enterococcus sp.
4 E. coli
5 Pseudomonas aeruginosa
6 Neisseria gonorrhoeae
7 Haemophilus influenzae
8 Bacillus anthracis
9 Clostridium perfringens
10 Bacteroides fragilis group
Week Organism Environment Gram stain morphology Additional Info
1 Staphylococcus
aureus
Aerobe Gram + cocci s/pr/cl Catalase +
Coagulase +
2 Streptococcus
pyogenes
Aerobe Gram + cocci s/pr/ch Catalase =
PYR+ BSA
3 Enterococcus sp. Aerobe Gram + cocci s/prs/ch Catalase =
Hydrolyzes BE
PYR+
4 E. coli Aerobe Gram = bacilli Oxidase=
Indole+
5 Pseudomonas aeruginosa
Aerobe Gram = bacilli Oxidase +
Green, grapes
6 Neisseria gonorrhoeae
Aerobe Gram = diplococci Oxidase =
G+MLS= STD
7 Haemophilus influenzae
Aerobe Pleomorphic gram = coccobacilli
X and V
Weak oxidase +
Mousy odor
8 Bacillus anthracis Aerobe Gram + bacilli Spores
Non hemolytic
BT agent
9 Clostridium perfringens
Anaerobe Gram + bacilli Box cars/ spores
Double zones
10 Bacteroides fragilis group
Anaerobe Gram = bacilli Hydrolyzes BBE
9 species
B. fragilis #1
By week 10 Possible points accumulated (110 points)
Week 1 2 points Week 2 4 points Week 3 6 points Week 4 8 points Week 5 10 points Week 6 12 points Week 7 14 points Week 8 16 points Week 9 18 points Week 10 20 points
ResultsStudent Performance
0
10
20
30
40
50
60
70
80
90
100
SA BSA Enterc EC PSA GC Hflu B. anth C. perf B. fragGp
Pathogens
Per
cen
t C
orr
ect
2005 Cohort
(n=19)
2006 Cohort
(n=24)
And Beyond…
Student comments from Professional Practice: “My KeyPURs are a life saver” “I use my KeyPURs everyday in micro” “Review your KeyPURs, they really do help” “I LOVE Microbiology and the KeyPURs really
helped me” “Micro ROCKS (with a little help from my KeyPURs)!!!!!!”
Clinical Faculty Comments
“Student” seemed more comfortable with common pathogen information
“Student” was well prepared on a daily basis (nice change from previous years)
“What a joy to teach micro when the student actually knows a little about the pathogens”-Good job with those cards!
Conclusion
Basic key foundational material can be reinforced through useful repetition
Students engage once they realize the value of the information
Information can be retained beyond the semester’s end
Information can be formatted for students to use as an immediate resource
“Meet the KeyPURs”
This work was supported through a Teaching Innovation Grant
Center for Teaching, Learning and Technology (CTLT) @ Illinois State University
