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TTC NUR 161 Test 2 Questions and Correct Answers
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  • NUR 161

Nonselective Beta-Adrenergic Blocking Agent (Alfa Beta Blocker) (Propranolol) Actions: Competitively blocks receptors in heart (= decreased HR contractility, excitability, membrane stabilization, decrease arrhyth., decrease heart workload, decrease O2 use) & in juxtaglomerular app. in nephron (no r...

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  • September 22, 2024
  • 26
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • ttc nur 161 test 2 questions and correct answers
  • nonselective beta adrenergic blocking agent alfa
  • nucleoside inhibitors zidovudine indication co

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  • NUR 161
  • NUR 161

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TTC NUR 161 Test 2 Questions and
Correct Answers
Nonselective Beta-Adrenergic Blocking Agent (Alfa Beta Blocker)
(Propranolol) ✅Actions:
Competitively blocks receptors in heart
(= decreased HR contractility, excitability, membrane stabilization, decrease arrhyth.,
decrease heart workload, decrease O2 use) & in juxtaglomerular app. in nephron (no
renin released = further decrease in BP.
Indication:
*HTN, angina, migraine headaches
Re-infarction after MI's
Prevention of stage fright
Essential tremors

Nucleoside inhibitors
(Zidovudine) ✅Indication:
Combination HIV tx

Nucleoside inhibitors
(Zidovudine) ✅Action:
Competes w/naturally occurring nucleosides w/in cell that the virus needs to develop
and build DNA chain = No production *Can't build DNA chain!*

Nucleoside inhibitors
(Zidovudine) ✅Caution:
Hep/Renal dysfx
Bone marrow suppression
Contra:
No breast feeding!!

Nucleoside inhibitors
(Zidovudine) ✅Drug-Drug:
Alcohol
Some HIV meds
Antibiotic/Anti-fungal (Increase their effects!)

Nucleoside inhibitors
(Zidovudine) ✅Adverse Effects:
Hypersensitive rxn-fever*
Hepatomegaly
Bone marrow suppression

Nucleoside inhibitors

,(Zidovudine) ✅Nursing C's:
Safe if pregnant!

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Indications:
HIV/AIDs w/ARC w/ decreased # of helpter T cells and increased opportunistic
infections

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Action:
Binds directly to HIV recerse transc. = Blocks RNA & DNA dependent DNA polymerase
= *virus can't form viral DNA* & can't take over cell/reproduce

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Pharmaco:
PO
Contra:
Preg/Lact

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Drug-Drug:
Antiarrhy's
Calcium channel blockers
Antituberculosis
Warfarin
Hormonal contracept.
Clarithromycin
St. Johns Wart

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Adverse Effects:
Dry mouth, constipation/diarrhea, nausea, abd. pain, dyspnea, dizzy, blurred vision,
FLu-like symp. ( muscle aches/pains, faligue, appetite loss, fever

Protease Inhibitor
(Fasamprenavir) ✅Actions:
BLocks protease activity w/in HIV virus = *remains immature & non-infective (unable to
fuse w/and inject ifself into cells)*
Indication:
Part of combo therapy for HIV inf.

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Caution:
Hepatic dysfx
**saquinavir safe for lact**

, Contra:
No breast feeding!!
Rash = Steven Johnson syndrome
Use in children not est.

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Drug-Drug:
Ritonavir
Many other drugs
Nonsedating antihistamines
Sedatives/Hypnotics
Antiarrhythmics

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Adverse:
Headache
Mood changes
Nausea
diarrhea
fatige
Rash may = Steven Johnson Syndrome*
Hump, thin arms/legs*

Reverse Transcriptase Inhibitors-non nucleoside
(Nevirapine, Abacavir, Viread) ✅Nursing C's:
Pt's on diabetic drugs may require dose adjustments*
Monitor renal/hep fx*
Stop is rash occurs!*
Reg med care, periodic blood tests*

Fusion Inhibitor
(Enfuvirtide) ✅Actions:
Prevents the fusion of the virus within human cellular memb. = virus can't enter. (Can't
Fuse!)*
Indications:
HIV inf...combo therapy
Adults & children over 6yrs
evidence of HIV rep. despite therapy

Fusion Inhibitor
(Enfuvirtide) ✅Pharmaco.:
SubQ inj.
Not excreted, recycled in the tissues**

Fusion Inhibitor
(Enfuvirtide) ✅Caution:

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