Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Community Pharmacy > Travel Meds (Sun Care) > Flashcards

Travel Meds (Sun Care) Flashcards

1
Q

degree of reflection os ultraviolet radiation

A

snow > > sand > water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

factors associated with increase exposure

A
  • near equator (less ozone)
  • summer months
  • high altitude
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

types of UV radiations

A

UVC (200-290nm): does not penetrate ozone layer
- gemicidal

UVB (290-320nm): vitamin D3 synthesis
- sunburn radiation
- linked to erythema, wrinkling, collagen damage, premature ageing, skin cancer

UVA (320-400nm): reduce erythemogenic property
- augments UVB activity
- penetrates deeper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

prevention of sun induced skin damages

A
  • stay in the shade
  • cover exposed skin
  • wear hat with wide brim
  • wear sunglasses
  • increase fluid intake
  • avoid indoor tanning
  • use sunscreen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

5 S in protecting from sun

A
  1. Slip on long sleeves
  2. Slop on sunblock
  3. Slap on a hat
  4. Seek shade
  5. Slide on shades
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

2 types of sunscreen

A
  1. chemical sunscreen (active ingredient)
  2. physical sunscreen (opaque)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

mechanism of chemical sunscreen

A
  1. absorbs 85% of UV radiation (290-320nm)
  2. may/ may not allow penetration of UV radiation >320nm
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

mechanism of physical sunscreen

A

reflects or scatters UV radiation (270-777nm)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

examples of chemical sunscreen

A
  1. Aminobenzoic acid and derivative
  2. Benzophenones (dioxybenzone, oxybenzones, sulisobenzone)
  3. Cinnamates (Cinoate, Octinoxate, Octocrylene)
  4. Avobenzone
  5. Salicylic acid derivative
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

pros/cons of Aminobenzoic acid and derivative

A

(+) penetrate horny skin layer
(+) lasting protection

(-) formulated in hydroalcoholic base
(-) major skin sensitiser

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

pros/cons of benzophenones

A

(+) absorb UVA (dioxybenzone: 380nm; oxybenzones: 350nm)

(-) increase report of sensitivity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

pros/cons of Cinnamates

A

(+) some absorb UVA

(-) need vehicle to increase skin adherence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

pros/cons of Avobenzone

A

(+) best UVA spectrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

pros/cons of salicylic acid derivatives

A

(-) poor skin adherence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

examples of physical sunblock

A
  1. zinc oxide
  2. titanium dioxide
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

pros/cons of physical sunblock

A

(+) most suited for small and prominent exposed area
(-) discolor clothing
(-) occlude skin

16
Q

minimal erythema dose (MED)

A

minimum UVB radiation dose that produces clearly marginated erythema

17
Q

how to count SPF

A

MED (protected skin) / MED (unprotected skin)

18
Q

labels to look out for sunscreen

A
  • UVA and UVB protection
  • ‘broad spectrum’ or ‘multi-spectrum’
  • water/sweat proof
19
Q

how type of base of sunblock affect substantivity

A
  • gel/ water like: comes out more easily
  • aerosols: good for athletes, who need to cover places that are hard to reach, also more sweat proof
20
Q

how to apply sunscreen

A
  • apply liberally, at least 5-6 TSP for entire body
  • avoid eyes
  • apply at least 20 min before activity
  • sunscreen first than insect repellent
  • reapply at least every 2h
21
Q

existing supplement for suncare

A

Fernblock (Polypodium leucotomos; antioxidant)
- take 1 cap/d before sun exposure

22
Q

signs and symptoms of sunburn

A
  • erythema
  • warmth
  • pain or burning sensation
  • blisters usually absent
23
Q

exclusion to self care for sunburn

A
  • severe sunburn
  • worsening pain, swelling and/or pus from blister
  • dehydration
  • fever
  • extreme pain >= 48h
  • lack of improvement after 5d
24
Q

aim of management of sunburn

A
  1. relieve pain
  2. provide protection
  3. promoting healing
25
Q

management of sunburn

A
  1. stay well hydrated
  2. frequent cool baths and pat dry with cool/damp towel for 10-15 min a few times a day
  3. apply hydrogel or aloe vera gel
  4. take simple analgesics (paracetamol/ ibuprofen)
  5. apply moisturising lotion PRN
  6. avoid sun exposure until healed
  7. dont pop closed blisters
  8. cover open blisters with sterile dressing

Community Pharmacy (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions