SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Aging Physiology And Pharmacology
Start Test
Study First
Subject
:
health-sciences
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. incontinence complication
PPI: PUD uncomplicated >8wk - aspirin wo CAD/CVA/PVD - duplicate Rx - loop diuretics LT: HTN; can use for ankle edema - LT NSAID use (>3mo): mild OA - falls: BZD - opiates - neuroepileptics - vasodilators: orthostatic patient risk
Health care agent/proxy - may have durable power of attorney - may be next of kin/other family/other
Cellulitis - P ulcers - UTI - sleep deprivation - falls - sexual dysfcn - depression - social withdrawal - v QoL
Sensation of impending faint - etio: v cerebral perfusion (cardiac - vascular or postural +/- orthostatic hypotension)
2. memantine
Personal liberty -living at home - personal property - speech - assembly - privacy - voting
NMDR antagonist - use: dementia
^BP -> a-HTN
Social restraint - sitter/family - avoid physical restraint - if necessary: haloperidol - remove tethers: cathethers - IV - orientation aids: glasses - hearing aids
3. How does aging impact syncope-preventing reflexes
Relfexes less responsive -less ability to ^HR - less sens to dehydration - comorbidities - Rx: a-blockers - B-blockers - TCA
Benzodiazepenes - amiodarone - digoxin - huge majority of Rx - ^Vd in elderly
Advanced ae - dementia - ADL/IADL impairment - comorbidity - EtOH - M>F - sensory impairment
PPI: PUD uncomplicated >8wk - aspirin wo CAD/CVA/PVD - duplicate Rx - loop diuretics LT: HTN; can use for ankle edema - LT NSAID use (>3mo): mild OA - falls: BZD - opiates - neuroepileptics - vasodilators: orthostatic patient risk
4. What are the 3 stages of ADRs?
Change in cognitive status - personality - Rx discrepancy - change in somatic Sx - recurrent falls - hospitalizations - other
Oral nutrition + supplements - tube feeding - parenteral nutrition - refeeding
Decreased: hepatic mass - BF - outcome: vPhase 1 biotransformation (redox) - Phase2 biotx unchanged - CYP450 activity varies - enz inhib/induction varies
Prescribing - monitoring - patient adherence
5. What are the 4 basic ethical principles?
Electrolyte imbalance - arrhythmia
Bone loss -> osteopenia -> osteoporosis -> Fx
Respect for autonomy - nonmaleficence - beneficence - justice
Depression + nursing home - osteoporosis + nursing home - aFib/anti-coagulant - HTN - MI 1o/2o prevention - opioids: addiction fear
6. clues of neglect
Orthostatic hypotension - vagal stimulation (vasovagal reflex)
Screen for potentially embarrassing dx - patient/Dr trust
Figure out a good diet - social aspect - resources - dental/oral comfort
Malnutrition/dehydration - frequent visits to ER - same proglems - delay in seeking care - inadequate Rx taking/ noncompliance - poor hygiene - P ulcers
7. What are the 4 forms of dizziness?
1/3 elderly hospital admisions - 10* risk death in hospital - complications: poor outcome - i2 - COD
Vertigo - presyncope - disequilibrium - lightheadedness
Advanced ae - dementia - ADL/IADL impairment - comorbidity - EtOH - M>F - sensory impairment
EtOH - antibiotics - anticholinergics - anticonvulsants - antidepressants - antihistamines - anti-PD - antipsychotics - barbituates - BZD - chloral hydrate - H2-blockers - Li - opioid
8. functional incontinence tx
Physical abuse - least common - physical neglect #1 - psych abuse - financial exploitation - violation of rights
Make sure to discuss with patient - some states require reporting
Stress: #1 - functional - urge - overflow
Environment modification: obstacles - mobility - -bladder fcn ok
9. how may hypertension compensate for aging?
Phenytoin
Substance abuse - frustration/burnout - cognitive impairment - prior history of violence in FHx
HTN may prevent orthostatic hypotension - -> lower fall risk (and maybe v morbidity)
Consider responsibilities - drivin
10. how is the CAM used to diagnose delirium?
1+2 +3 or 4 - 1 acute mental status change or fluctuation - 2 inattention - 3 disorganized thinking - 4 altered consiousness
Prescribing - monitoring - patient adherence
Bone loss -> osteopenia -> osteoporosis -> Fx
BMD (bone mineral density): T-score 1-2.5 std dev below normal 1 - Z-score age-adjusted
11. What are common medical causes of syncope?
^SV (diastolic stroke volume)
Consider responsibilities - drivin
3 reflexes: baroreceptor - renal nerve - ANF
Arrythmia - aortic stenosis - carotid sinus hypersensitivity: vasovagal reflex - hypoglycemia - orthostatic hypotension - postprandial hypotension - psychogenic - PE - vasovagal: #1 etio - 1/3-1/2 idioPx
12. How does aging affect pharmacokinetic Rx distribution?
P2-metab: Lorazepam - Trazepam - Oxazepam
Decreased: TBW - CO - muscle mass - increased: body fat - altered: regional BF - outcome: ^Vd lipid-sol Rx; v Vd H2O-sol Rx
BMD (bone mineral density): T-score 1-2.5 std dev below normal 1 - Z-score age-adjusted
PPI: PUD uncomplicated >8wk - aspirin wo CAD/CVA/PVD - duplicate Rx - loop diuretics LT: HTN; can use for ankle edema - LT NSAID use (>3mo): mild OA - falls: BZD - opiates - neuroepileptics - vasodilators: orthostatic patient risk
13. what drugs can cause dizziness?
BMD (bone mineral density): T-score 1-2.5 std dev below normal 1 - Z-score age-adjusted
Consider responsibilities - drivin
>orthostasis/CNS: anticholinergics - a1-blockers - CV/anti-HTN Rx: B-blockers - a1-blockers - psychotropics
ANF: Na+ retention - disinhib vasoconstriction
14. How does aging affect GI absorption of Rx?
Failure to provide services: healthcare - goods: food - clothing - shelter - hydration - prevention of risks/hazards
Worse for cardiac causes v noncardia
Constipation -> laxatives
Decreased: gastric emptying rate - intestinal motility - BF - surface area - gastric acid secretion - increased: gastric pH - outcome: delaye onset - peak; quant abs similar
15. vision changes: elderly
Beers criteria - medication appropriateness index (12 ?)
V contrast sensitivity: target + bg - v visual acuity - lat motion - depth perception - ^ glare sensitivity
Therapy - SSRI
EtOH/substance abuse - cognitive dysfcn - v exercise - depression/mental status - immobility - resources: inadequate $ - transport
16. urinary incontinence types
Stress: #1 - functional - urge - overflow
NSAID/ COX2 inhib - anticholinergics (inc OTC) - antipsychotics - anxiolytics/insomnia: some - muscle relaxant - DM Rx: avoid glyburide - sliding scale insulin - digoxin - meperidine (Demerol) - estrogen
^ANS tone -> ^periph vasoconstriction - ^HR
Constipation -> laxatives
17. What are the pharmacodynamic changes associated with aging?
Receptors changes: # - sensitivity - counter-regulatory moa
^morbidity + mortality - -frailest @ greatest risk
Pressure ulcer - fecal impaction - dehydration
Destrusor overactivity -> urge - BPH -> overflow - more urine output later in day - atrophic vaginitis - ^PVR: post-void residual -> overflow - v total bladder capacity -> overflow - v sphincter tone -> stress
18. what Rx are commonly monifoted in elderly for ADR?
Vd v plasma prot-binding: usually ^Vd - when prot-binding significant: changes in enzymes - changes in metab/elim - lab value interp (total v free) - ^t1/2
P2-metabolite - phase 1 biotx much more affected than phase 2
CV - diuretics - esp loop - non-opioid analgesics - hypoglycemics - anticoagulants
^K+
19. Cockcroft Gault equation
Temporalis muscle wasting = temporal wasting
Decreased: Alb - prot affinity - increased: a1-acid glycoprot (^i2) - outcome: ^free fraction of prot-bound Rx; especially significant for phenytoin
CrClm= ((140-age)LBW/ Scr72) - CrClf=CrClm*0.85
Constipation -> laxatives
20. What are the key points of safe prescription for elderly - lecture
Diagnosis - risk/benefit analysis to choose Rx
Parkinsonism -> l-DOPA
Treat underlying etio: BPH - cancer - sacral n dx - -BPH: a1-blockers (finasteride - doxazosin...) - sacral nerve stimulation
Advanced ae - dementia - ADL/IADL impairment - comorbidity - EtOH - M>F - sensory impairment
21. How does sliding scale glycemic control relate to elderly?
Threats/ terrorizing - isolation - denying food/privileges/liberty
Estrogen deficiency - androgen deficiency - vCa2+ - ^PTH - changes in bone formation - 2o causes/Rx
IdioPx - psychiatric: depression - anxiety - somatoform
Avoid sliding scale - it is reactive - no proactive -will cause hyper/hypoglycemia -control carb intake instead
22. BZD + antipsychotic: interaction outcome
Legal: Cruzan v Hamon
1 most alike at birth - 2 ^ frailty - 3 risk dx - 4 homeostenosis: reduced reserve
Decreased: TBW - CO - muscle mass - increased: body fat - altered: regional BF - outcome: ^Vd lipid-sol Rx; v Vd H2O-sol Rx
Confusion - sedation - falls
23. when selecting an P1-metabolite or P2-metabolite safer in elderly?
Electrolyte imbalance - arrhythmia
P2-metabolite - phase 1 biotx much more affected than phase 2
Polypharmacy - female gender - age - small body size; BMI <22 - hepatic/ renal insufficiency - prior ADR
Receptors changes: # - sensitivity - counter-regulatory moa
24. what receptors increase sensitivity with aging?
Voice - character - plot - context - time - reader
Appointed by court if no substituted judgment -conservator of finance -conservator of person
Rec for: benzodiazepines - CNS depressants - anticholinergics - VKORC (Warfarin) - Na+/K+ ATPase (digozin) - -> ^tardive dyskinesia - parkinsonism
Change in cognitive status - personality - Rx discrepancy - change in somatic Sx - recurrent falls - hospitalizations - other
25. Approach to idioPx - recurrent syncope
Consider responsibilities - drivin
Orthostatic hypotension - vagal stimulation (vasovagal reflex)
Change in cognitive status - personality - Rx discrepancy - change in somatic Sx - recurrent falls - hospitalizations - other
Phenytoin
26. anticholinergic drugs may lead to what prescription cascade?
Decreased: Alb - prot affinity - increased: a1-acid glycoprot (^i2) - outcome: ^free fraction of prot-bound Rx; especially significant for phenytoin
CNS suppression -> cholinesterase inhibitors
>9 Rx
Environment modification: obstacles - mobility - -bladder fcn ok
27. using long-acting opioids in elderly
Decreased: Alb - prot affinity - increased: a1-acid glycoprot (^i2) - outcome: ^free fraction of prot-bound Rx; especially significant for phenytoin
Caution in opioid-naive patient - less serum Rx availability - prescribe short-acting for BTP - upward titration
Palliative care will -relieve discomfort/suffering -may hasten death (resp depression)
P2-metab: Lorazepam - Trazepam - Oxazepam
28. How does aging affect Rx pharmacokinetic distribution?
Depression + nursing home - osteoporosis + nursing home - aFib/anti-coagulant - HTN - MI 1o/2o prevention - opioids: addiction fear
Worse for cardiac causes v noncardia
Vd v plasma prot-binding: usually ^Vd - when prot-binding significant: changes in enzymes - changes in metab/elim - lab value interp (total v free) - ^t1/2
IdioPx - psychiatric: depression - anxiety - somatoform
29. BZD + antidepressant: interaction outcome
Overactive detrussor contraction/spasm - tx: anticholinergice --| overactive detrusor
BMD (bone mineral density): T-score >2.5 std dev below normal 1
Tx underlying etio - + Kegels - pessary - surgery
Confusion - sedation - falls
30. What are the common causes of lightheadedness?
Pressure ulcer - fecal impaction - dehydration
Falls - delirium - malnutrition - P ulcers - opportunistic i2
Change in cognitive status - personality - Rx discrepancy - change in somatic Sx - recurrent falls - hospitalizations - other
IdioPx - psychiatric: depression - anxiety - somatoform
31. How does ANF prevent syncope?
ANF: Na+ retention - disinhib vasoconstriction
Polypharmacy - female gender - age - small body size; BMI <22 - hepatic/ renal insufficiency - prior ADR
Voice - character - plot - context - time - reader
Severe wt loss + low nutrition intake - cytokine-mediated response - etio: RA - CHF - COPD - HIV
32. how is syncope related to elderly admission to hospital?
3 reflexes: baroreceptor - renal nerve - ANF
80% of hospital admission for syncope for >65yo
^ANS tone -> ^periph vasoconstriction - ^HR
Recurrent in 25% dizzy patient - common etio: psych - vestibulo/somatosensory - no ^morbidity/mortality - ^risk syncope - falls - depression - self-rated health
33. Disequilibrium
Loss of balance wo head mvmt - factors: vestibuloPx - visual - M/S - gait - somatosensory
Oral nutrition + supplements - tube feeding - parenteral nutrition - refeeding
Routes: nasoenteric - PEG - jejunostomy - required high level of care - formula depends on nutritional status - risk: aspiration - i2
Reduce exposure to PIM: pot inapprop med - category 1: avoid in elderly regardless of dx - category 2: pot inapprop dept on dx - category 3: used with caution
34. incontinence epidemiology
Health care agent/proxy - may have durable power of attorney - may be next of kin/other family/other
Routes: nasoenteric - PEG - jejunostomy - required high level of care - formula depends on nutritional status - risk: aspiration - i2
Respect for autonomy - nonmaleficence - beneficence - justice
F>M (until 80yo) - stress incontinence #1 - $26B/yr
35. ADR rf
Polypharmacy - female gender - age - small body size; BMI <22 - hepatic/ renal insufficiency - prior ADR
Used to calculate renal fcn - clearance of Cr adjusted for age
Legal: Cruzan v Hamon
Diagnosis - risk/benefit analysis to choose Rx
36. what professional is least likely to report abuse?
Rx use wo indication - untreated indication - failure to receive Rx - subtherapeutic Rx - OD Rx - improper Rx selection - ADR - drug interaction
Doctors
Protein-energy malnutrition - biochemical: Alb <3.5g/dL - clinical: wasting - low BMI
Hyperuricemia -> gout
37. substituted judgment
Determined by Dr for a patient - -> used to determine competency
Age - psychosocial: depression - isolation - lack resources:education - $ - minority - substance abuse
Health care agent/proxy - may have durable power of attorney - may be next of kin/other family/other
^ANS tone -> ^periph vasoconstriction - ^HR
38. advanced directive/care plan
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
39. frailty raises vulnerability to...
Falls - delirium - malnutrition - P ulcers - opportunistic i2
CrClm= ((140-age)LBW/ Scr72) - CrClf=CrClm*0.85
Severe wt loss + low nutrition intake - cytokine-mediated response - etio: RA - CHF - COPD - HIV
Wt loss - fatigue - impaired grip strength - impaired activity/slow gait
40. red flags for further inquiry
Mechanical loading - skin care - avoid friction/shear
Decreased: Alb - prot affinity - increased: a1-acid glycoprot (^i2) - outcome: ^free fraction of prot-bound Rx; especially significant for phenytoin
Multisystemic vulnerability - -lowered reserves
Change in cognitive status - personality - Rx discrepancy - change in somatic Sx - recurrent falls - hospitalizations - other
41. fall sequelae
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
42. violation of rights
Personal liberty -living at home - personal property - speech - assembly - privacy - voting
Age - psychosocial: depression - isolation - lack resources:education - $ - minority - substance abuse
Electrolyte imbalance - arrhythmia
Hyperuricemia -> gout
43. metoclopramide may lead to what prescription cascade?
Delayed absorption - like competitive inhib
Parkinsonism -> l-DOPA
Decreased: hepatic mass - BF - outcome: vPhase 1 biotransformation (redox) - Phase2 biotx unchanged - CYP450 activity varies - enz inhib/induction varies
Falls - delirium - malnutrition - P ulcers - opportunistic i2
44. How does aging affect pharmacokinetics?
Abs: delayed onset - peak - distrib: more fat - less H2O - metab: phase 1 more affected v phase 2 - excr: renal - liver fcn decrease
Mechanical loading - skin care - avoid friction/shear
Isolated systolic HTN
Routes: nasoenteric - PEG - jejunostomy - required high level of care - formula depends on nutritional status - risk: aspiration - i2
45. What are common physical abuse Sx in elderly?
1+2 +3 or 4 - 1 acute mental status change or fluctuation - 2 inattention - 3 disorganized thinking - 4 altered consiousness
Injury - neglect - physical/psychosocial - financial - violation of rights
Assault/battery - pattern injuries - sexual assault - prolonged deprivation of food - H2O - restraint: physical - chemical
Respect for autonomy - nonmaleficence - beneficence - justice
46. What is the STOPP criteria?
PPI: PUD uncomplicated >8wk - aspirin wo CAD/CVA/PVD - duplicate Rx - loop diuretics LT: HTN; can use for ankle edema - LT NSAID use (>3mo): mild OA - falls: BZD - opiates - neuroepileptics - vasodilators: orthostatic patient risk
Depression + nursing home - osteoporosis + nursing home - aFib/anti-coagulant - HTN - MI 1o/2o prevention - opioids: addiction fear
Hypothetical plan - serves as patient's last competent indicated wishes
Cholinesterase inhib - use: dementia
47. What is abuse?
Injury - neglect - physical/psychosocial - financial - violation of rights
Wasting: no cytokine-mediated response - etio: marasmus - cancer - AIDS - critical illness
Protein-energy malnutrition - biochemical: Alb <3.5g/dL - clinical: wasting - low BMI
Acute MI/pulm events - immobility - i2 - drug withdrawal: CNS depressant - EtOH - fecal impaction
48. What are the 3 sentinel events for LT care?
Pressure ulcer - fecal impaction - dehydration
Treat underlying disease/lack resources
Delayed absorption - like competitive inhib
Hyperthyroid: apathetic thyrotoxicosis - hypothyroid: confusion + agitation
49. documenting elderly abuse
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
50. MI + atypical Sx
Decreased: renal BF - tubular sec - GFR - CrCl -stable sCr due to v muscle mass - avg renal fcn 80yo ~50% of 20yo
No: chest pain - yes: fatigue - nausea - low functional status - SOB
F>M (until 80yo) - stress incontinence #1 - $26B/yr
'long lie' decline in functional status - ^ risk of being in nursing home - ^ Use of medical services - fear