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Test your basic knowledge |
Aging Physiology And Pharmacology
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Subject
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health-sciences
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. what receptors increase sensitivity with aging?
Mechanical loading - skin care - avoid friction/shear
Age - psychosocial: depression - isolation - lack resources:education - $ - minority - substance abuse
Vertigo - presyncope - disequilibrium - lightheadedness
Rec for: benzodiazepines - CNS depressants - anticholinergics - VKORC (Warfarin) - Na+/K+ ATPase (digozin) - -> ^tardive dyskinesia - parkinsonism
2. How does aging affect pharmacokinetic Rx distribution?
Decreased: TBW - CO - muscle mass - increased: body fat - altered: regional BF - outcome: ^Vd lipid-sol Rx; v Vd H2O-sol Rx
AFib: Warfarin - CAD/CVA/PVD wo contraindications: Statin - osteoporosis: Ca2+ - Vit D - DM + CVD rf: Statin - Depression: a-Depressant - arterial dx: a-platelet
No: fever - leukocytosis - yes: falls - appetite change - low functional status
High mortality - esp + Fx - very common in elderly
3. What are the risks of uncontrolled ISH?
Rx use wo indication - untreated indication - failure to receive Rx - subtherapeutic Rx - OD Rx - improper Rx selection - ADR - drug interaction
CVA: stroke - AMI: acute MI - HF
Serum Cr: used for Cr clearance equation
Tx underlying etio - + Kegels - pessary - surgery
4. how can you determine whether Rx is appropriate to use in elderly patient?
Delayed absorption - like competitive inhib
Beers criteria - medication appropriateness index (12 ?)
^morbidity + mortality - -frailest @ greatest risk
Advanced ae - dementia - ADL/IADL impairment - comorbidity - EtOH - M>F - sensory impairment
5. Aging principles
Protein-energy malnutrition - biochemical: Alb <3.5g/dL - clinical: wasting - low BMI
'long lie' decline in functional status - ^ risk of being in nursing home - ^ Use of medical services - fear
1 most alike at birth - 2 ^ frailty - 3 risk dx - 4 homeostenosis: reduced reserve
Voice - character - plot - context - time - reader
6. refusing intervention
Legal: Cruzan v Hamon
Failure to provide services: healthcare - goods: food - clothing - shelter - hydration - prevention of risks/hazards
Diagnosis - risk/benefit analysis to choose Rx
^K+
7. what mechanical loading helps to prevent pressure ulcers?
Reposition/2h - movement if possible - look @heel - 20% all pressure ulcers
Overactive detrussor contraction/spasm - tx: anticholinergice --| overactive detrusor
Undocumented >50% - CAM: Confusion Assessment Method - -95% sens - spec
Used to calculate renal fcn - clearance of Cr adjusted for age
8. stress incontinence tx
Decreased: gastric emptying rate - intestinal motility - BF - surface area - gastric acid secretion - increased: gastric pH - outcome: delaye onset - peak; quant abs similar
Appointed by court if no substituted judgment -conservator of finance -conservator of person
Tx underlying etio - + Kegels - pessary - surgery
B-adrenergic - ACE inhib - baroreceptors - -> ^K+ with NSAIDS - ACEI - K+ sparing diuretics
9. What is the Cockcroft Gault equation?
Recurrent in 25% dizzy patient - common etio: psych - vestibulo/somatosensory - no ^morbidity/mortality - ^risk syncope - falls - depression - self-rated health
Acute MI/pulm events - immobility - i2 - drug withdrawal: CNS depressant - EtOH - fecal impaction
#1 COD from injury in >65yo - 10-15% result in Fx - highest mortality in elderly white M
Used to calculate renal fcn - clearance of Cr adjusted for age
10. vertigo
1/3 elderly hospital admisions - 10* risk death in hospital - complications: poor outcome - i2 - COD
Rotational sensation - usual etio: BPPV - benign paroxysmal positional vertigo - tx: Epley manuever - dislodge otolith crystals
Rx use wo indication - untreated indication - failure to receive Rx - subtherapeutic Rx - OD Rx - improper Rx selection - ADR - drug interaction
Depression - incontinence - M/S stiffness - falls - EtOH/Rx abuse - hearing loss - dementia - dental dx - malnutrition - sexual dysfcn - OA - OP
11. What is abuse?
Screen for potentially embarrassing dx - patient/Dr trust
Substance abuse - frustration/burnout - cognitive impairment - prior history of violence in FHx
Depression + nursing home - osteoporosis + nursing home - aFib/anti-coagulant - HTN - MI 1o/2o prevention - opioids: addiction fear
Injury - neglect - physical/psychosocial - financial - violation of rights
12. memantine
Routes: nasoenteric - PEG - jejunostomy - required high level of care - formula depends on nutritional status - risk: aspiration - i2
NMDR antagonist - use: dementia
Determined by Dr for a patient - -> used to determine competency
Cellulitis - P ulcers - UTI - sleep deprivation - falls - sexual dysfcn - depression - social withdrawal - v QoL
13. What is the STOPP criteria?
Screen for potentially embarrassing dx - patient/Dr trust
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
Bone loss -> osteopenia -> osteoporosis -> Fx
#1 COD from injury in >65yo - 10-15% result in Fx - highest mortality in elderly white M
14. ADR rf
Polypharmacy - female gender - age - small body size; BMI <22 - hepatic/ renal insufficiency - prior ADR
Decreased: hepatic mass - BF - outcome: vPhase 1 biotransformation (redox) - Phase2 biotx unchanged - CYP450 activity varies - enz inhib/induction varies
Hypotension - ^K+
Change in systemic BP/ ^cerebral vasc rest -> low cerebral perfusion -> syncope
15. lipid-soluble Rx
BMD (bone mineral density): T-score 1-2.5 std dev below normal 1 - Z-score age-adjusted
Benzodiazepenes - amiodarone - digoxin - huge majority of Rx - ^Vd in elderly
Protein-energy malnutrition - biochemical: Alb <3.5g/dL - clinical: wasting - low BMI
Arrythmia - aortic stenosis - carotid sinus hypersensitivity: vasovagal reflex - hypoglycemia - orthostatic hypotension - postprandial hypotension - psychogenic - PE - vasovagal: #1 etio - 1/3-1/2 idioPx
16. fall sequelae
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17. How does aging impact syncope-preventing reflexes
Isolated systolic HTN
Relfexes less responsive -less ability to ^HR - less sens to dehydration - comorbidities - Rx: a-blockers - B-blockers - TCA
NMDR antagonist - use: dementia
Electrolyte imbalance - arrhythmia
18. what drugs can cause dizziness?
Decreased: Alb - prot affinity - increased: a1-acid glycoprot (^i2) - outcome: ^free fraction of prot-bound Rx; especially significant for phenytoin
Pressure ulcer - fecal impaction - dehydration
Vertigo - presyncope - disequilibrium - lightheadedness
>orthostasis/CNS: anticholinergics - a1-blockers - CV/anti-HTN Rx: B-blockers - a1-blockers - psychotropics
19. fall causes
Parkinsonism -> l-DOPA
Multisystemic vulnerability - -lowered reserves
Intrinsic: chronic dx - postural: changing position - mediating: risk taking
Delayed absorption - like competitive inhib
20. PEM
Pressure ulcer - fecal impaction - dehydration
Protein-energy malnutrition - biochemical: Alb <3.5g/dL - clinical: wasting - low BMI
Overactive detrussor contraction/spasm - tx: anticholinergice --| overactive detrusor
Threats/ terrorizing - isolation - denying food/privileges/liberty
21. falls epidemiology
ANF: Na+ retention - disinhib vasoconstriction
CrClm= ((140-age)LBW/ Scr72) - CrClf=CrClm*0.85
#1 COD from injury in >65yo - 10-15% result in Fx - highest mortality in elderly white M
Consider responsibilities - drivin
22. What is ISH?
Isolated systolic HTN
NSAID/ COX2 inhib - anticholinergics (inc OTC) - antipsychotics - anxiolytics/insomnia: some - muscle relaxant - DM Rx: avoid glyburide - sliding scale insulin - digoxin - meperidine (Demerol) - estrogen
Cholinesterase inhib - use: dementia
Tx underlying dx - review Rx - avoid complications: hygiene - constip - pain - orientation aids
23. What is sCr?
Serum Cr: used for Cr clearance equation
Mild discomfort - constipation - tachypnea - vague resp Sx - fewer bowel sounds
Benzodiazepenes - amiodarone - digoxin - huge majority of Rx - ^Vd in elderly
Make sure to discuss with patient - some states require reporting
24. what can enhance reporting in elderly?
Must be signed by attending daily -medical necessity/patient liberty -as minimal as possible
Screen for potentially embarrassing dx - patient/Dr trust
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
Map of people - perceptions - etc - varies by perspective
25. Aging features
Universal - progressive - partially encoded (genetic) - destructive -
Arrythmia - aortic stenosis - carotid sinus hypersensitivity: vasovagal reflex - hypoglycemia - orthostatic hypotension - postprandial hypotension - psychogenic - PE - vasovagal: #1 etio - 1/3-1/2 idioPx
Determined by Dr for a patient - -> used to determine competency
Breast cancer + 2o LBP
26. antiarrhythmic + diuretic: interaction outcome
Rotational sensation - usual etio: BPPV - benign paroxysmal positional vertigo - tx: Epley manuever - dislodge otolith crystals
Electrolyte imbalance - arrhythmia
Injury - neglect - physical/psychosocial - financial - violation of rights
Decreased: hepatic mass - BF - outcome: vPhase 1 biotransformation (redox) - Phase2 biotx unchanged - CYP450 activity varies - enz inhib/induction varies
27. delirium: tx approach
Rx use wo indication - untreated indication - failure to receive Rx - subtherapeutic Rx - OD Rx - improper Rx selection - ADR - drug interaction
Tx underlying dx - review Rx - avoid complications: hygiene - constip - pain - orientation aids
Catch-all of unspecified dizziness
Begin @25-50% recommended dose - APAP may be dose-limiting
28. How does aging increase incontinence?
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
Screen for potentially embarrassing dx - patient/Dr trust
Tx underlying etio - + Kegels - pessary - surgery
^K+
29. Cockcroft Gault equation
Tx underlying dx - review Rx - avoid complications: hygiene - constip - pain - orientation aids
Cholinesterase inhib - use: dementia
Sensation of impending faint - etio: v cerebral perfusion (cardiac - vascular or postural +/- orthostatic hypotension)
CrClm= ((140-age)LBW/ Scr72) - CrClf=CrClm*0.85
30. violation of rights
Severe wt loss + low nutrition intake - cytokine-mediated response - etio: RA - CHF - COPD - HIV
Orthostatic hypotension - vagal stimulation (vasovagal reflex)
Personal liberty -living at home - personal property - speech - assembly - privacy - voting
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
31. How does aging affect GI absorption of Rx?
>9 Rx
NMDR antagonist - use: dementia
Decreased: gastric emptying rate - intestinal motility - BF - surface area - gastric acid secretion - increased: gastric pH - outcome: delaye onset - peak; quant abs similar
Abs: delayed onset - peak - distrib: more fat - less H2O - metab: phase 1 more affected v phase 2 - excr: renal - liver fcn decrease
32. what illnesses are underreported in elderly?
ANF: Na+ retention - disinhib vasoconstriction
Depression - incontinence - M/S stiffness - falls - EtOH/Rx abuse - hearing loss - dementia - dental dx - malnutrition - sexual dysfcn - OA - OP
28% - ADR: 17% - non-compliance 11%
Loss of balance wo head mvmt - factors: vestibuloPx - visual - M/S - gait - somatosensory
33. What is the bone deterioration cascade?
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
Catch-all of unspecified dizziness
Cellulitis - P ulcers - UTI - sleep deprivation - falls - sexual dysfcn - depression - social withdrawal - v QoL
Bone loss -> osteopenia -> osteoporosis -> Fx
34. rivastigmine
Rec for: benzodiazepines - CNS depressants - anticholinergics - VKORC (Warfarin) - Na+/K+ ATPase (digozin) - -> ^tardive dyskinesia - parkinsonism
Cholinesterase inhib - use: dementia
Therapy - SSRI
NMDR antagonist - use: dementia
35. What are the narrative elements of clinical ethics?
Voice - character - plot - context - time - reader
Wasting: no cytokine-mediated response - etio: marasmus - cancer - AIDS - critical illness
Temporalis muscle wasting = temporal wasting
Hypothetical plan - serves as patient's last competent indicated wishes
36. osteopenia
Cholinesterase inhib: donepezil - rivastigmine - galantamine - NMDR antag: memantine
^ANS tone -> ^periph vasoconstriction - ^HR
BMD (bone mineral density): T-score 1-2.5 std dev below normal 1 - Z-score age-adjusted
Confusion - sedation - falls
37. What are the common types of elder mistreatment?
Electrolyte imbalance - arrhythmia
Electrical: change in HR - structural: aortic outflow obstruction
Physical abuse - least common - physical neglect #1 - psych abuse - financial exploitation - violation of rights
30% preventable - of these - 40% serious - of these 40% preventable
38. ACE inhib + diuretic: interaction outcome
Hypotension - ^K+
1+2 +3 or 4 - 1 acute mental status change or fluctuation - 2 inattention - 3 disorganized thinking - 4 altered consiousness
Doctors
Protein-energy malnutrition - biochemical: Alb <3.5g/dL - clinical: wasting - low BMI
39. what ADR are common in elderly patient?
Wt loss - fatigue - impaired grip strength - impaired activity/slow gait
Breast cancer + 2o LBP
Electrolye/renal - GI - hemorrhagic - metabolic/endocrine - neuropsych
P2-metabolite - phase 1 biotx much more affected than phase 2
40. What is the best approach to malnutrition
Normal: progressive - universal - usual: normal + common dx (CAD) - successful: preserved fcn wo morbidity
Phenytoin
>60yo - low abuse risk - ^ monitoring possible
Treat underlying disease/lack resources
41. overflow incontinence tx
Written doc - don't alter it - pertinent +/- - use patient/caregiver's own words - photos - report: concise - precise - likeliness of abuse: definite/accident/indeterminate - body map for forensic documentation
Treat underlying etio: BPH - cancer - sacral n dx - -BPH: a1-blockers (finasteride - doxazosin...) - sacral nerve stimulation
Threats/ terrorizing - isolation - denying food/privileges/liberty
Decreased: renal BF - tubular sec - GFR - CrCl -stable sCr due to v muscle mass - avg renal fcn 80yo ~50% of 20yo
42. incontinence complication
Cellulitis - P ulcers - UTI - sleep deprivation - falls - sexual dysfcn - depression - social withdrawal - v QoL
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
Social restraint - sitter/family - avoid physical restraint - if necessary: haloperidol - remove tethers: cathethers - IV - orientation aids: glasses - hearing aids
Tx underlying etio - + Kegels - pessary - surgery
43. delirium predisposing rf
#1 patient's last competent indication of wishes - substituted judgment - beneficence
Advanced ae - dementia - ADL/IADL impairment - comorbidity - EtOH - M>F - sensory impairment
Change in systemic BP/ ^cerebral vasc rest -> low cerebral perfusion -> syncope
1/3 elderly hospital admisions - 10* risk death in hospital - complications: poor outcome - i2 - COD
44. how is syncope related to elderly admission to hospital?
Normal: progressive - universal - usual: normal + common dx (CAD) - successful: preserved fcn wo morbidity
>9 Rx
Wt loss - fatigue - impaired grip strength - impaired activity/slow gait
80% of hospital admission for syncope for >65yo
45. urge incontinence tx
Overactive detrussor contraction/spasm - tx: anticholinergice --| overactive detrusor
'long lie' decline in functional status - ^ risk of being in nursing home - ^ Use of medical services - fear
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
46. pressure ulcer: staging
Rotational sensation - usual etio: BPPV - benign paroxysmal positional vertigo - tx: Epley manuever - dislodge otolith crystals
Vertigo - presyncope - disequilibrium - lightheadedness
I: peristent erythema - II: partial thickness - III: full thickness - IV: full thickness + extensive damage - unstageable
NMDR antagonist - use: dementia
47. Why is abuse underreported?
Lack of identification - victim isolation - reluctance to confront offenders - consequences for reporting - subtle presentation by patient
Doctors
Isolated systolic HTN
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
48. vision changes: elderly
Acute MI/pulm events - immobility - i2 - drug withdrawal: CNS depressant - EtOH - fecal impaction
Receptors changes: # - sensitivity - counter-regulatory moa
>orthostasis/CNS: anticholinergics - a1-blockers - CV/anti-HTN Rx: B-blockers - a1-blockers - psychotropics
V contrast sensitivity: target + bg - v visual acuity - lat motion - depth perception - ^ glare sensitivity
49. What are the rf for elderly abuse?
Age - psychosocial: depression - isolation - lack resources:education - $ - minority - substance abuse
3 reflexes: baroreceptor - renal nerve - ANF
Threats/ terrorizing - isolation - denying food/privileges/liberty
#1 patient's last competent indication of wishes - substituted judgment - beneficence
50. documenting elderly abuse
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