Brainscape's Knowledge GenomeTM

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


See full index

b3 > hot weather > Flashcards

hot weather Flashcards

1
Q

What are the ways heat can be transferred?

A

Conduction -direct physical contact
Convection -from the body to air & water surrounding the body
Radiation -heat electromagnetic waves
Evaporation -liquid into gaseous phase

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

What is the body’s dominat form of heat loss in a hot environment?

A

Radiation

Evaporation

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

What happens when air temperature exceeds 95 degrees?

A

Radiation heat loss ceases

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

When heat is generated or gained by the body faster than it can be dissipated?

A

Heat stress

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

What are some contributing factors of a heat injury?

A

Medications (Beta Blockers)
Obesity
Dehydration
Skin disorders that inhibit sweating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How much water can a person lose in severe heat?

A

1 liter or more per hour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How much water can the gut absorb per hour?

A

1200ml

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

1200ml

A

FALSE

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

What should be done when water is in short supply?

A

Limit activity to the coolest part of the day or the night

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How much should you dilute a sports drink?

A

1/3 - ½

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

How much of body weight is lost during mild dehydration?

A

2-3%

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

T or F. Thirst is a poor indicator of adequate hydration?

A

TRUE

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

Can salt tablets by used as an oral salt source?

A

No

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

How long does it take to acclimatize?

A

8-11 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How much should you increase activity each day to acclimatize?

A

1-2 hours per day

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is a benefit of acclimatization?

A

The body retains salt which conserves plasma volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How does creatine and amino acids affect dehydration?

A

Increase requirement for water

18
Q

What temperature and environment can heat injuries occur at?

A

Any temp

Any environment

19
Q

What conditions do most heat injuries occur?

A

Ambient temperatures

High humidity

20
Q

What are the types of heat related injuries?

A 
Prickly heat
Heat syncope
Heat cramps
Heat exhaustion
Heat stroke
21
Q

What is another name for prickly heat?

A

Miliaria Rubra

22
Q

S&S of prickly heat?

A

Erythematous, popular and pruritic rash

23
Q

Complication of prickly heat?

A

Can interfere with sweating, causing heat exhaustion or heatstroke

24
Q

Medication for prickly heat (Miliaria Rubra)?

A

Antihistamines
Chlorhexidine cream
Dicloxacillin or Erithro

25
Q

Management of Heat Syncope?

A

Secondary assessment for trauma from fall
Trendelenburg
Cooling
Fluids

26
Q

What kind of fluids are good for heat syncope?

A

0.1% salt solution

27
Q

When do heat cramps usually occur?

A

During or after work effort

28
Q

Management for heat cramps?

A

ORS in 1ltr

Rest in cool place

29
Q

What is the most common heat injury?

A

Heat exhaustion

30
Q

What is the onset of heat exhaustion?

A

3-5 days

31
Q

S&S of heat exhaustion?

A

Flu-like
Orthostatic hypotension
104* with profuse sweating
Normal mental status

32
Q

What will the pulse and respirations be like with heat exhaustion?

A

Respirations – Rapid & Shallow

Pulse – Weak & Thready

33
Q

Is heat stroke a true medical emergency?

A

Yes

34
Q

How can you distinguish heat stroke from heat exhaustion?

A

Presence of neurological symptoms

Temp > 105*

35
Q

S&S of heat stroke?

A

Ataxic gate
Anhydrases
Seizure

36
Q

What is anhydrases?

A

Inability to sweat normally

37
Q

Management of Heat Stroke?

A

Rapid cooling
IV NS 1-2ltrs
Diazepam (Valium)

38
Q

When should you discontinue cooling?

A

=101F - 102F

39
Q

What medication should you not give for heat stroke?

A

Benadryl (interferes with sweating)

40
Q

Treatment for 2nd degree sunburn?

A

Treat as 2nd degree thermal burn
Bacitracin
Silvadine
NSAIDs

41
Q

What is the cause of hyponatremia?

A

Loss of salt from sweating

Drinking too much water (hemodilution)

b3 (8 decks)

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