BIO 111 Lecture Notes - Lecture 11: Atherosclerosis, High-Density Lipoprotein, Blood Vessel

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tealmammoth179

4 Aug 2020

School

Tunxis Community College

Department

Biology

Course

BIO 111

Professor

Brown

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Document Summary

When the body starts to run out of fuel from food, it turns to body stores. Fatty acids are used for energy by many organs: typical fuel mix at rest is 50/50 carbohydrate/lipid for liver and muscle. Anytime fat is broken down for energy, carbohydrates must be available otherwise ketones form. High ldl cholesterol increases risk of heart disease. Diet high in sat and trans fat and low in veggies/fruits and whole grains. 75-80% of our cholesterol is synthesized in the body. Sat and trans fat triggers body to produce cholesterol. Dietary cholesterol plays a lesser role than sat or trans fat in cardiovascular disease. ~60% exhibit litter increased blood cholesterol with a high cholesterol diet. Starts with soft fatty streak than enlarge and harden to form plaques. Narrows passage of arteries and makes them inelastic. Mounds of lipid material mixed with smooth muscle cells and calcium. Atherosclerosis develops through a complex inflammatory response to tissue damage:

Related Questions

QUESTION 1

Before undertaking an exercise or nutrition program, whatpreliminary steps should be taken?

		Choose an expensive activity; that way you know you've investedmoney in it and be more likely to stay with it.
		Go to an exercise physiologist who can teach you how the bodyworks.
		Choose an enjoyable activity that you know you will stay withwhether you're alone or in a group.
		Get an exercise stress test from a sports medicine doctor who isalso knowledgeable in nutrition.

QUESTION 2

The most important component(s) of exercise from a health andlongevity standpoint is(are)

		the intensity and duration of the activity.
		the duration and frequency of the activity.
		the frequency and regularity of the activity.
		the warm-up and cool-down periods.

QUESTION 3

Among the physiological benefits of regular exercise, which ofthe following can occur?

		Regular exercise will inhibit the blood chemistry responsiblefor the "good" cholesterol.
		Regular exercise can be a way to improve mood and relievedepression.
		Regular exercise has been shown to increase the need for"energizers."
		Regular exercise decreases blood flow to the brain, thereforeactivating endorphins, natural tranquilizers.

QUESTION 4

By eating a high carbohydrate diet the day before any athleticevent,

		muscles will have adequate fuel, i.e., glycogen for thecompetition.
		athletes can eat more protein the day of the competition.
		less water will be needed the day of the competition sincecarbohydrates are high in water.
		all of these.

QUESTION 5

A person with high blood cholesterol should considerparticipating in an aerobic exercise program such as walking orjogging because aerobic exercise

		will raise HDL ("good") cholesterol after a period of trainingand decrease the risk for heart disease.
		will cause a sudden increase in the heart rate to near maximallevels which lowers the "bad" cholesterol.
		forces more LDL ("bad") cholesterol out of the body throughwaste elimination.
		keeps the blood circulating faster, even at rest, thereforecauses a decrease in total blood cholesterol.

QUESTION 6

For most athletes who are well-nourished, nutrition supplementssuch as protein powders and vitamin pills

		dramatically improve performance.
		improve performance only moderately.
		do not significantly improve performance.
		seem to cause a decrease in performance.

QUESTION 7

In addition to being able to exercise at work, employees whohave access to a Wellness program and fitness facility at the jobsite

		is more likely to make positive changes in lifestyle.
		has less absenteeism from work.
		becomes more educated in health issues.
		all of these.

QUESTION 8

The general recommendation to support activity is to eat adiet

		high in protein and low in fat.
		low in protein and high in carbohydrate.
		high in carbohydrate and low in fat.
		high in carbohydrate and high in protein.

QUESTION 9

Walking is considered the best form of exercise because it

		is not expensive.
		promotes cardiovascular endurance.
		is easy to perform.
		all of these.

QUESTION 10

Exercise and nutrition are important components of a soundprogram for physically challenged people because they

are investments in good physical health.

help support a positive mental health.

help people face the challenges of life and achieve dreams.

all of these.

ivoryhornet198

11. Which of the following is an attribute of a scientifically literate person?

A. Creates templates for understanding

B. Constructs hypothetical arguments for discussion

C. Respects the rights of self determination

D. Uses scientific evidence to understand the natural world

E. Reports on social phenomena consistently

12. Which of the following does not contribute to the Calorie intake of a person?

A. Protein

B. Carbohydrate

C. Fat

D. Alcohol

E. Water

13. Which of the following is not a technique used to measure body composition?

A. Skin-fold calipers

B. Bod PodÃ

C. Body mass index

D. Hydrostatic weighing

E. Light absorption technique

14. Which of the following behavioral techniques supports healthy body weight changes?

A. Feasting

B. Fasting

C. Goal setting and a plan

D. Eating vegetables and meat

E. Regularly measuring body composition

15. The purpose of the warm-up is to:

A. Slowly increase the pulse rate to an aerobic level.

B. Facilitate vascular changes (splenic shunt) to accommodate aerobic exercise.

C. Gear up the energy metabolism, i.e., increase the delivery of oxygen and nutrients to the working muscle, and raise the temperature to an optimal level for energy production.

D. Increase the elasticity of the muscle fibers, which helps to prevent muscle, tendon, ligament, and joint injuries, as well as improve muscle contraction and preserve muscle glycogen in addition to reducing the amount of lactic acid build-up in the muscles.

E. All of the above

16. Which of the following reflects an improvement in cardiovascular health resulting from regular engagement in aerobic exercise?

A. Increased lean body mass

B. Increase in high-density lipoprotein cholesterol (HDL)

C. Stress relief

D. Improvement in sleep pattern

E. Reduced risk for developing certain types of cancer

17. The purpose of a cool-down is to:

A. slowly decrease pulse rate.

B. decrease core body temperature.

C. slowly constrict blood vessels.

D. continue adequate supply of blood to the brain, and facilitate removal of metabolic waste products from the muscles.

E. All of the above

18. A person trying to gain lean body mass has:

A. increased fluid needs.

B. decreased fat needs.

C. altered fitness needs.

D. increased protein and strength training needs.

E. decreased electrolyte needs.

19. Vitamin A in the form of _____ is used to treat acne.

A. retinol

B. retinal

C. retinoic acid

D. beta-carotene

E. lycopene

20. Which of the following is a genetic disease for which a low intake of copper is a component of treatment?

A. Pellagra

B. Wilsonâs disease

C. Hemochromatosis

D. Beriberi

E. Goiter

21. Which of the following nutrients is used to treat scurvy?

A. Folate

B. Riboflavin

C. Vitamin C

D. Niacin

E. Vitamin D

22. Which of the following groups is at highest risk for hemolytic anemia?

A. Premature infants

B. Elderly people who do not get exposure to sunlight

C. Pregnant women

D. Teenagers who do not drink enough water

E. Someone who does not consume animal meat or products

23. Iron deficiency causes:

A. microcytic normochromic anemia.

B. macrocytic hypochromic anemia.

C. microcytic hypochromic anemia.

D. macrocytic normochromic anemia.

E. macrocytic hyperchromic anemia.

24. Acrodermatitis enteropathica is caused by a deficiency of:

A. iron.

B. zinc.

C. chromium.

D. choline.

E. molybdenum.

25. Which of the following is required for the absorption of vitamin B₁₂?

A. A coenzyme

B. Intrinsic factor

C. Vitamin C

D. Bile acids

E. None of the above

26. Which nutrient potentiates the action of insulin?

A. Magnesium

B. Fluoride

C. Chromium

D. Selenium

E. Iodine

27. Which mineral is a central component of vitamin B₁₂?

A. Iron

B. Copper

C. Cobalt

D. Zinc

E. Molybdenum

28. Iodine is a component of:

A. hemoglobin.

B. myoglobin.

C. intrinsic factor.

D. insulin.

E. thyroxine.

29. Which of the following statements is not true regarding the diagnosis of a nutritional deficiency?

A. Dietary records should demonstrate low intake for that nutrient.

B. Blood levels should demonstrate high body levels of the nutrient.

C. Tissue levels should demonstrate low body levels of the nutrient.

D. Nutrient supplementation should correct the deficiency symptoms.

E. Clinical deficiency symptoms should be compatible with a low dietary intake.

30. Vitamin C helps maintain tissue integrity by:

A. neutralizing foreign proteins.

B. creating an alkaline cell environment.

C. recognizing cell boundaries.

D. forming collagen to bind cells together.

E. increasing inflammation

oliveplatypus662

Question 2

The DSM-IV describes an "Eating Disorder Not OtherwiseSpecified" as:

self-starvation that leads to severe nutrient deficiencies

compulsive eating disorder

a variety of atypical eating behaviors used to maintain or lowerbody weight

recurrent episodes of extreme overeating followed byself-induced vomiting

Question 3

The nutrition paradox refers to:

coexistance of underweight and obesity in the same region

too mucn vitamin A in foods rich in vitamin C

poor countries that have excessive rates of obesity

obese children from nonobese parents

Question 4

Which of the following represents a nutrition transition?

decreased reliance on carbohydrates

increased consumption of sugar

increased availibility of maize over corn

lower-fat subsistence crops

Question 5

Which of the following is NOT part of the GOBI initiative?

breast-feeding

obesity control

immunization

growth monitoring

Question 6

Which of the following is a response to the drawbacks of theGreen Revolution?

WIC

high yield varities of grains

sustainable agriculture

biotechnology

Flag this Question

Question 70.5 pts

Worldwide, the major cause of undernutrition is:

unequal distribution of food

diseases (like AIDS)

poor farming practices

overpopulation

Question 8

Which agency monitors all confirmed causes of food-borneillness?

EPA

FDA

CDC

USDA

Question 9

In which of the following environments does Clostridiumbotulinum flourish?

acidic

alkaline

<40 degrees F

> 140 degrees F

Question 10

Which of the following is an example of food intoxication?

Norwalk virus

Salmonella

hepatitis A

Clostridium botulinum

Question 11

All of the following describe characteristics of the femaleathlete triad EXCEPT

menstrual dysfunction

disordered eating

hypertension

osteoporosis

Question 12

Impulsive, low self-esteem, seeks attention, extroverted, anderratic describe personality traits of:

bulemia nervosa

binge-eating disorder

obesity

anorexia nervosa

Question 13

Obsessive-compulsive, perfectionism, socially inhibited,compliant, and emotionally restrained describe personality traiatsof

binge-eating disorder

anorexia nervosa

bulimia nervosa

obesity

Question 14

The Institute of Medicine recommends a minimum of ________minutes of physical activity each day for adults.

Question 15

Regular exercise reduces the risk of type 2 diabetes by all butwhich of the following?

decreases the cellular uptake of blood glucose

delays the onset of complications of type 2 diabetes

increases control of blood glucose

enhances the action of insulin

Question 16

What is meant by the overload principle?

stretching a muscle group beyond the joint's healthy range ofmotion

improving fitness by placing extra physical demand on thebody

complete depletion of the body's glycogen

subjecting the body to inappropriately high stress

Question 17

The acronym FIT stands for:

fatigue, intensity, and training.

flexibility, increase, and training.

fitness, increase, and time.

frequency, intensity, and time.

Question 18

To achieve cardiorespiratory fitness it is recommended thattraining should occur ________.

3-5 days a week

daily

more than 5 days a week

2-3 days a week

Question 19

To achieve and maintain physical fitness, exercise intensityshould be ________ of the maximal heart rate.

35-50%

15-25%

25-30%

50-80%

Question 20

In which of the following types of exercise would CP (creatinephosphate) be an important source of energy?

biking up a mountain

sprinting in the 100-meter race

running a 10-kilometer road race

playing in a football game

Question 21

Which is NOT an advantage of aerobic metabolism over anaerobicmetabolism?

Much more energy is produced for every fuel molecule.

Aerobic metabolism acts more quickly.

Harmful metabolites do not accumulate as quickly.

A greater fuel supply is available.

Question 22

An unwanted effect of an overly vigorous warm-up is:

increased muscle temperature.

glycogen depletion.

increased body temperature.

reduced stress levels.

Question 23

Each day Bill power-walks for 45 minutes. Which fuel source(s)provide(s) energy during this activity?

amino acids

glucose

fatty acids

fatty acids and glucose

Question 24

The main disadvantage of using fat as a fuel is:

the body's limited storage capability.

its low energy density.

its slow metabolic breakdown.

the limitation of anaerobic metabolism.

Question 25

Joseph plays basketball for his high school team and he isconcerned that he is not consuming enough kilocalories to supporthis activity. Which of the following would be the best indicatorthat he is not consuming adequate kilocalories?

His hemoglobin is low.

His blood glucose levels are low.

His performance has been impaired.

He is losing weight.

Question 26

Rachel is a gymnast who trains 2 hours/day on average. Shesupports her daily activity by consuming 2,500 kilocalories perday. How many kilocalories should she be consuming fromcarbohydrate sources?

1,500-1,625 kilocalories

1,125-1,300 kilocalories

1,300-1,500 kilocalories

1,625-1,750 kilocalories

Question 27

The best time to replenish glycogen stores is:

the day after exercising.

a few hours before exercising.

the day before exercising.

right after exercising.

Question 28

In which of the following events would carbohydrate loading bethe most beneficial?

cross country skiing

baseball game

weight lifting

100-yard dash

Question 29

Osteoporosis, eating disorders, dehydration, and heat illnessare all possible consequences of:

the Zone diet.

carbohydrate loading.

inadequate dietary intake.

overtraining.

Question 30

Which of the following is the most potentially harmful?

heat syncope

heatstroke

heat cramps

heat exhaustion

Question 31

Which of the following athletes would be LEAST likely to developiron deficiency anemia?

a female marathon runner

a male basketball player who is a vegan

a female gymnast

a male distance swimmer

Question 32

Amenorrhea, sometimes seen in female athletes, is:

the onset of menstruation.

osteoporosis.

the loss of the menstrual cycle.

frequent diarrhea.

Question 33

Some athletes believe that caffeine can enhance athleticperformance because it has been shown to:

increase the transport of amino acids to exercising muscle.

increase muscle flexibility and strength.

increase the use of fatty acids as a fuel source.

regenerate ATP for energy.

Question 34

Which of the following ergogenic aids has been shown to enhanceshort-term exercise and resistance training?

chromium picolinate

creatine

carnatine

ephedrine

Question 35

Consuming processed foods as opposed to whole foods decreasesthe risk of contracting a food-borne illness.

True

False

Question 36

Regular physical activity can increase HDL-cholesterol.

True

False

Question 37

Nearly 1 in 6 American adults reports getting no physicalactivity at all.

True

False

Question 38

Lactic acid is a by-product of high-intensity exercise.

True

False

Question 39

Training can enhance the ability to store glycogen.

True

False

Question 40

The primary fuel source utilized in both anaerobic and aerobicexercise is protein (amino acids).

True

False

Question 41

Studies suggest that athletes need to consume more than 2grams/kg of protein each day to maintain muscle strength.

True

False

Question 420.5 pts

Refigerating or freezing foods will kill any bacteria present inthe food.

True

False

Question 43

Most athletes do not consume enough protein to support theiradded physical activity.

True

False

Question 44

Thirst is a very reliable indicator of dehydration.

True

False

BIO 111 Lecture Notes - Lecture 11: Atherosclerosis, High-Density Lipoprotein, Blood Vessel

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Related Questions

		are investments in good physical health.
		help support a positive mental health.
		help people face the challenges of life and achieve dreams.
		all of these.