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CHEM 103 Portage Learning Exam 2 (problem set) and exam study guide | Strategies Review of Key Quizzes with 100% Correct Answers.

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CHEM 103 Portage Learning Exam 2 (problem set) and exam study guide | Strategies Review of Key Quizzes with 100% Correct Answers. Quiz_________________? 1.) 5 2.) 3 3.) 7 4.) 6 5.) 1 6.) 3 7.) 4 8.) 2 9.) 5 10.) 2 11.) 0 12.) 1 - Answers Quiz_________________? A source of energy promotes an electron in a hydrogen atom from ground state into an orbit with n = 8. What is the calculated energy (in Joules) of the electron in this excited state? Equation: Equation with values substituted: Answer (with correct units and to 3 significant figures): - Answers En=-K/n2 En= - (2.179 x 10-18J)/82 En= -3.40 x 10-20J Quiz_________________? An electron in a hydrogen atom transitions from an orbit with n = 4 to the orbit with n = 7. What is the calculated energy absorbed by the electron? - Answers A.) En=-K/n2 ΔE= |Ef -Ei| Eni=-(2.179 x 10-18J)/72 = -4.4469388 x 10-20J Enf=-(2.179 x 10-18J)/42= -1.361875 x 10-19J ΔE= |-1.361875 x 10-19J - -4.4469388 x 10-20J| = 9.1718112 x 10-20J Quiz_________________? An electron in a hydrogen atom transitions from an orbit with n = 4 to the orbit with n = 7. What is the wavelength of light emitted by the hydrogen atom when the electron falls from n = 7 back down to n = 4. - Answers λ=hc/E λ=(6.626 x 10-34Js)(2.998 x 108m/s)/9.1718112 x 10-20J λ=2.17 x 10-6m Quiz_________________? An ionic compound forms between the atoms below. ● What is the formula of each compound? 1. sodium and phosphate - Answers 1.) Na3PO4 Quiz_________________? An ionic compound forms between the atoms below. ● What is the formula of each compound? 3. magnesium and permanganate - Answers 3.) Mg(MnO4)2

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Quiz_________________?

3, 2, 1 -

Answers✅

To determine whether sufficient evidence exists to prescribe glucosamine for a patient who
has osteoarthritis (OA) of the knee, the family nurse practitioner reviews three article
summaries. Place the article summaries in sequential order of strength of evidence from
strongest to weakest:

1. Investigators conducted a retrospective review of 1000 charts of patients who were
diagnosed with OA and had glucosamine on their medication list. The investigators assessed
the pain rating scale at the time the glucosamine was prescribed and compared this score
with the pain rating scale three months after the medication had been prescribed. They also
reviewed the progress notes and included only patients for whom clinicians stated in the
note that the patient took the medication regularly.

2. Investigators randomly assigned a group of 1600 patients with OA of the knee to receive
either a placebo or glucosamine for six months. The goal was to determine if glucosamine
and/or chondroitin treats pain related to OA of the knee and could help prevent structural
damage. The study found no benefit for pain relief for the study group compared with the
placebo group.

3. Researchers evaluated the benefit of glucosamine for osteoarthritis of the hip and/or knee
by searching MEDLINE and the Cochrane database for studies that investigated this
question. The researchers included only studies that were double-blind, placebo-controlled,
randomized trials of at least four weeks duration and tested glucosamine's effectiveness in
treating OA in the knee or hip. Fifteen studies were included in the analysis and the
investigators applied a statistical formula to evaluate these studies, giving the larger studies
more weight.



1, 2, 3


1

, 1, 3, 2

2, 1, 3

2, 3, 1

3, 1, 2

3, 2, 1




Quiz_________________?

a plan-do-study-act process. -

Answers✅

The psychiatric-mental health nurse practitioner is tasked with continually improving the
quality of care on an inpatient unit. The nurse practitioner implements:



a chart review analysis.

a root cause analysis.

a plan-do-study-act process.

failure effect mode analysis




Quiz_________________?

actinic keratosis. -

Answers✅

The gerontological nurse practitioner notes a well-demarcated, dry, rough, tan-colored area
that measures 1 cm on the forearm of a retired man who worked as a park ranger. The man
says that the lesion has been present for years. The lesion is suggestive of:



actinic keratosis.

keratoacanthoma.

seborrheic keratosis.

senile lentigo.

2

, Quiz_________________?

advise the patient to stop smoking. -

Answers✅

The adult-gerontology primary care nurse practitioner evaluates a patient with cold
symptoms who reports smoking half a pack of cigarettes a day and shows no interest in
quitting. The nurse practitioner's most appropriate approach is to treat the cold symptoms
and:



advise the patient to stop smoking.

prescribe bupropion (Zyban).

raise the issue of smoking cessation at the next visit.

recommend that the patient select a low nicotine cigarette.




Quiz_________________?

are more likely to be successful at quitting than younger smokers. -

Answers✅

he adult-gerontology primary care nurse practitioner plans to provide smoking cessation
education at a community center to older adults and their families. The nurse practitioner
designs the program based on knowledge that older adult smokers:



are likely to be optimistic about their ability to quit.

are more likely to be successful at quitting than younger smokers.

have a decreased risk of morbidity and mortality than do younger smokers.

receive more instruction to quit from health care providers than younger smokers.




Quiz_________________?



3

, asking the patient's father if he has any questions regarding his son's care. -

Answers✅

A 55-year-old male patient who is Chinese has a follow-up appointment after cardiac bypass
surgery. The patient brings his father with him into the examination room. The family nurse
practitioner provides culturally sensitive care by:



asking the patient's father if he has any questions regarding his son's care.

asking the patient's father to leave the room due to confidentiality issues.

performing the examination without commenting to the patient's father.

performing the examination, then telling the patient's father the examination findings.




Quiz_________________?

assigns a role for all staff members in improving patient outcomes. -

Answers✅

he psychiatric-mental health nurse practitioner is employed in a newly created attending
role on a psychiatric inpatient unit. To promote an interprofessional environment, the nurse
practitioner:



discusses the resistance directly with the physicians.

assigns a role for all staff members in improving patient outcomes.

educates staff members on the role of a psychiatric-mental health nurse practitioner.

works with the nurse manager to organize all levels of nursing staff.




Quiz_________________?

asthma. -

Answers✅

A 14-year-old, male patient has some general concerns about eczema, as his twin brother
was recently diagnosed with this condition. The patient reports urticaria and a rash on his



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