Test 4 Flashcards

0
Q

In high altitude conditions the percentage of oxygen ________

A

Remains constant

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1
Q

In conditions of high altitude partial pressure of oxygen _______

A

Decreases

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2
Q

Effect of altitude on solar radiation? Temperature? Vapor pressure?

A

Increases
Decreases
Decreases

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3
Q

What is the pulmonary and chemoreceptors response to high altitude

A

Pulmonary-increased rate and depth of ventilation

Chemoreceptors- are stimulated by low PO2

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4
Q

Effects of altitude on the pressure gradient for oxygen exchange

A

It decreases

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5
Q

Acute physiologic effects of high altitude exposure

A

Decreased plasma volume
Decreased water
Increased urination
Increased hematocrit

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6
Q

Chronic physiologic effects of high altitude exposure

A

Increased blood volume
Increased # blood cells
Increased plasma volume
Increased oxygen carrying capacity

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7
Q

Physiologic response in variables such as stroke volume, HR, Q

A

Increased
Increased
Increased

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8
Q

What’s happens to VO2 max during maximal/exhaustive exercise at high altitude

A

It decreases

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9
Q

What type of sports are enhanced at high altitudes

A

Sprinting
Jumping
Throwing activities

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10
Q

What sports suffer at high altitudes

A

Endurance activities

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11
Q

What are the effects on anaerobic events lasting less than two minutes

A

They are not impaired

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12
Q

What are the effects on metabolism, body weight, appetite at high altitudes

A

Increased
Decreased
Decreased

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13
Q

What is the substrate that the body relies on during exercise compared to at rest

A

Carbohydrates

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14
Q

Living at high altitudes, training at low altitudes. What effect on performance?

A

It improves performance at sea level

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15
Q

What are the training strategies for competing at high altitude

A

Train 2-3 weeks to be fully acclimated

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16
Q

What are the signs of acute mountain sickness

A
Headache
Impaired vision
Insomnia 
Nausea
Interrupted breathing pattern
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17
Q

What is the type of training an athlete would undertake between competitive season or during active rest

A

Under training

18
Q

What term is known when the athlete is stressing the body to improve physiological function and performance

A

Acute overload

19
Q

What term is known as the brief period of heavy overload without adequate recovery

A

Overreaching

20
Q

Why is the term at the point which an athlete experiences mak adoptions and chronic decline in performance

A

Overtraining

21
Q

What term is the reducing of intensity and volume of training to allow your body to repair

A

Tapering

22
Q

Partial or complete loss of training

A

Detraining

23
Q

Effects of sympathetic overtraining

A
Increased resting HR
Increased rest BP
Decrease appetite 
Decreased body mass 
Increased RMR
24
Q

Effects of parasympathetic overtraining

A

Fatigue
Decrease resting HR
Rapid HR recovery after exercise
Decrease resting BP

25
Q

How do you detect overtraining

A

Look for higher HR response to a fixed pace exercise bout

26
Q

What are the effects of tapering

A

Increased strength, power and performance

27
Q

What are the effects of detaining on muscle strength and aerobic endurance

A

Loss of muscle strength

Huge loss of aerobic endurance

28
Q

Effects of bed rest on cardiovascular variables and the effects on muscle strength

A
Increased sub max HR
Decreased SV 
Decreased Maximal Q 
Decreased VO2 max 
Decreased plasma volume
Decreased strength
29
Q

What are the recommended number of days a week and intensity level of exercise recommended to maintain aerobic conditioning

A

3 times a week

30
Q

What are the recommended % of carbs, far, and protein intake in a daily athletic diet

A

Carbs: 55-60%
Fat: 35%
Protein: 10-15%

31
Q

What substrate provides the major source of energy during high intensity exercise

A

Carbohydrates

32
Q

What are carbohydrates loading and effects on time to exhaustion

A

It improves performance and it increases time to exhaustion

33
Q

What is the recommended amount of carbohydrate intake per day for an athlete undergoing high intensity training

A

10-13 g/kg

34
Q

What is an indicator of the blood glucose response to the ingestion of a particular food

A

Glycemic index

35
Q

What is the carbohydrate intake before, during and after exercise

A

Before: rebound hypoglycemia
During: improves exercise and enhances CNS function
After: Improves glycogen rest thesis

36
Q

Increasing the use of fat as fuel during exercise may….

A

Enhance endurance performance

37
Q

What is the recommended amount of protein intake that a strength training athlete needs in their daily diet

A

1.6-1.7

38
Q

Fat soluble vitamins

A

A
D
E
K

39
Q

Water soluble vitamins

A

B

C

40
Q

Has vitamin supplementation been proven by research to improve athletic performance

A

No

41
Q

What is the effect of excessive intake of vitamins and minerals

A

Will not improve performance as may be dangerous

42
Q

At what % body weight will dehydration begin to affect performance

A

2%

43
Q

What % carbohydrate do most sport drinks contain

A

6-8%