Expert answer:Case Study Help PLEASE
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A 62 year-old man with an 80-year history of chronic bronchitis reports to his healthcare provider with
complaints of increasing shortness of breath, ankle swelling, and a feeling of fullness in his upper
abdomen. The expiratory phase of his respirations is prolonged and expiratory wheezes and crackles are
heard on auscultation. His blood pressure is 160/90 mm Hg, his red blood cell count is 6.0 x 106 uL
(normal 4.2 to 5.4 x 106 uL), his hematocrit is 65% (normal male value 40% to 50%), his arterial PO2 is 55
mm Hg, and his O2 saturation, which is 85% while he is resting, drops to 55% during walking exercise.
Explain the physiologic mechanisms responsible for his edema, hypertension, and elevated red blood
cell count.
His arterial PO2 and O2 saturation indicate that he is a candidate for continuous low-flow oxygen.
Explain the benefits of this treatment in terms of his activity tolerance, blood pressure, and red blood
cell count.
Explain why the oxygen flow rate for persons with COPD is normally titrated to maintain the arterial PO2
between 60 and 65 mm Hg.
Discussion Board Expectations and Grading Rubric
Expectations
“Superior” participation is evidenced with at least 3 engagements in each module.
1. One well-developed, referenced initial post by due-date assigned (no exceptions).
o
Your initial post should reveal extensive study and thought, demonstrating a solid understanding
of the module objectives/topic. (Aim for 200-250 words for your initial post; general one or more
paragraphs).
o
Your initial post should represent scholarly, critical and/or creative thinking, e.g. pose a provocative
interpretation that will inspire discussion and/or make a critical (evaluative) analysis and/or
contribute new information and/or insights.
o
Integrate at least TWO references: the text and/or other professional, reliable sources in your
initial post. References must be cited in APA 6th edition in the body of your post and listed at the
end of the post.
2. Minimum of TWO response posts (dialogue/engagements) after the initial post due dates.
Replies to your classmates’ initial posts should prompt further discussion about the topic by
asking thought provoking questions to classmates, adding to discussion, sharing relevant examples –
essentially demonstrating a growing understanding of course content. (Aim for at least 150 -200
words in your first reply post.)
o A professional reference is required in at least ONE of your reply posts. If a reference is
used, it must be documented in APA 6th edition in the text and listed at the end of the post.
3. Responses to those who post replies to your initial post.
o
o
o
You are expected to respond back to anyone who has posted replies to your initial post. Check back on
Sunday (when the discussion closes).
If a reference is used, it must be documented in APA 6th edition in the text and listed at the end of
the post.
Why discuss?
Growth happens from dialogue (meaningful conversations) – vs. from monologue (your solo!). You all have so much knowledge
and experience to share to with one another – it’ll be amazing how your shared perspectives are appreciated. Your initial post
demonstrates your critical thinking, your replies help you get connected and grow as scholars, and your responses to those who
post replies to your initial post deepens the dialog. Your feedback to questioning minds helps you to grow together!
Tips for Success
•
For fullest engagement, students are asked to check in a minimum of three times for each module’s discussion. The goal
is that you is to digest the materials for the week, post your initial response, engage in conversation/dialogue about the
topic and participate in response posts (think if you had a 4-credit face to face course, you’d have class 3 x weekly).
•
It’s OK to have some fun, but your initial post and the required two reply posts need to be thoughtful, professional,
grammatically correct, and be adequately developed.
•
NOTE: On occasion, your instructor WILL pose responses to your initial post – it’s a good idea to respond to instructor
questions.
About Timeliness
Timeliness is about accountability to the course; it’s crucial. The purpose of the discussions is to enhance your learning
experience as a group so we need you here in the ‘now!’.
•
•
Due to the nature of the course discussions, LATE submissions WITHOUT PRE-REQUESTS (or
simple absence without explanation) will earn no credit.
ALL discussions need to be completed (please see course syllabus).
Grading Rubric
Unless otherwise directed, the following discussion rubric criteria apply to all discussion activities in the course. Each discussion is worth 10 points.
Criteria
Initial Post
Full Points
Response to all discussion questions or
prompts demonstrates scholarly reflection and
critical thinking for the assigned discussion
topic.*
Post is relevant to the ongoing discussion by
bringing in new ideas/fresh perspectives/new
insights to the discussion versus simply
“restating” the concepts in the required reading
or another student’s contribution.
The post is insightful and supported with
evidence, scholarly research, and examples.
(5 pt)
Response
Posts
Provides TWO relevant and meaningful
responses to classmates’ initial posts with
clarifying explanations, details, as well as
deeper connection to the topics being
examined, poses questions to motivate more
group discussion.
Consistently responds thoughtfully and
constructively to others who have posted
replies to their own initial post
*(for multiple topic discussion, posts to the
two outstanding topics). (3 pt)
Partial Points
Addresses some but not all discussion questions or
prompts.
Post reveals some command of the subject
matter; it does not primarily restate concepts by using
primarily direct quotes, but may be lacking in insight or
creativity.
Post may draw logical conclusions but lacks clear
evidence, scholarly research, and examples.
Does not offer insight or support ideas with evidence,
scholarly research and/or examples.
(4-2 pt)
Provides TWO somewhat relevant replies with some
explanation and detail, but does not add to motivating
further discussion with questions or prompts.
Responds to some replies made to their posts.
Does not integrate any professional, supporting references
in any replies.
*( for multiple topic discussion, posts to only one
outstanding topic)
(2-1 pt)
No Points
Responses suggest that reading has not
been completed, or simply summarizes
the reading with no further insight.
Points raised are not relevant and do
not contribute to scholarly discussion
of the topic.
(0-1 pt)
Does not reply to at least 2 classmates’
initial posts. Does not respond to
replies made by classmates to their
posts. Replies and responses are
generic with little explanation or detail.
* (for multiple topic discussion, do not
post to either outstanding topic)
(0 pt)
References
& Citations
Initial posts link ideas to text reading and at
least one additional reference or source of
scholarly, professional evidence beyond the
text readings.
Initial posts only reference text and do not use
additional professional, reliable sources..
Response posts integrate at least one
professional, reliable reference is thoughtfully
integrated into a response post.
References are cited in format other than APA 6th edition.
No references are used in initial or
response posts.
(0 pt)
Response posts do not integrate at least one reference.
References are not consistently used or cited in APA
(1 pt)
All references are cited (in text) and referenced
(at the close of the post) in APA format.
(2 pt)
Writing &
Mechanics
Posts are grammatically correct: each initial
post has paragraph(s) with specific topic
sentences, has unity, is coherent, and is
adequately developed. No spelling errors.
(1 pt)
Consistently makes grammatically correct posts with rare
misspellings. Some issues with topic cohesion.
(0.5 pt)
Utilizes poor spelling and grammar.
There is little to no cohesion in the
writing and format. (0 pt)
…
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