Question 1

________ is the main source of energy in your body.

Accepted Answer

A)   Glucose
B)   Leptin
C)   Insulin
D)   Ghrelin

Question 2

As part of your biological psychology class,you conduct an experiment in which a rat's brain is continuously infused with a hormone called ghrelin.Based on the function of ghrelin,you can predict that the rat will

Accepted Answer

A)   display negative energy balance and lose weight gradually.
B)   develop a huge appetite and gain weight.
C)   lose its appetite and stop eating altogether.
D)   display a significant decrease in its body mass index (BMI) .

Question 3

Jana is visiting friends in Bangkok and is asked to try a local delicacy,sautéed grasshoppers.She is reluctant to do so as her ________,which was adaptive for our ancestors,makes Jana less willing to consume this odd food.

Accepted Answer

A)   set point
B)   basal metabolic rate
C)   hypothalamus
D)   neophobia

Question 4

The specific body weight maintained automatically by most adults over long periods of time is known as the

Accepted Answer

A)   set point.
B)   body mass index.
C)   ecology of eating.
D)   basal metabolic rate.

Question 5

Research on the genetic and environmental influences on body weight has revealed that

Accepted Answer

A)   the weight of adopted people correlates with that of their biological parents,not with that of their adoptive parents.
B)   the weight of fraternal twins reared together is more highly correlated than the weight of identical twins reared apart.
C)   obesity is somewhat less common among Americans today than 50 years ago.
D)   identical twin men are more similar in weight than identical twin women.

Question 6

With sleep deprivation,the levels of leptin ________ and the levels of ghrelin ________.

Accepted Answer

A)   rise;rise
B)   fall;fall
C)   rise;fall
D)   fall;rise

Question 7

The tendency to eat more food when eating with others illustrates a phenomenon called

Accepted Answer

A)   social facilitation.
B)   neophobia.
C)   set point.
D)   the homeostatic system.

Question 8

Forty-year-old Jim has exercised strenuously on and off all his life.Over the years,however,his body weight has remained close to 160 pounds,which was his body weight in college.His stable body weight best illustrates

Accepted Answer

A)   a hierarchy of needs.
B)   body mass index.
C)   basal metabolic rate.
D)   a set point.

Question 9

An individual is considered obese if his or her body mass index (BMI) is

Accepted Answer

A)   20 and above.
B)   25 and above.
C)   30 and above.
D)   higher than 50.

Question 10

Sonya has just finished a large birthday dinner.When the waiter offers to give her a complementary birthday dessert,she explains that she is not feeling hungry at the moment.This is likely because her

Accepted Answer

A)   PYY levels are low.
B)   ghrelin levels are low.
C)   blood glucose level has dropped.
D)   level of orexin is high.

Question 11

Experiments by ________ and colleagues found that part of our feelings of hunger is our memory of our last meal.

Accepted Answer

A)   Paul Rozin
B)   Ancel Keys
C)   Walter Cannon
D)   A.L.Washburn

Question 12

Six-year-old David is wary of trying your new lamb stew.He is also not that excited about trying frog legs or chocolate-covered bumble bees.This avoidance of unfamiliar foods

Accepted Answer

A)   is uncommon in rats.
B)   is uncommon in humans.
C)   was adaptive for our human ancestors by protecting them from toxic substances.
D)   was not adaptive for our human ancestors because they became bored eating the same foods.

Question 13

Compared with past years,people worldwide are consuming ________ food and engaging in ________ physical activity.

Accepted Answer

A)   less;more
B)   more;less
C)   less;less
D)   more;more

Question 14

Jack and Sam are watching an intense action movie.What can be expected regarding their snacking behavior while watching the movie?

Accepted Answer

A)   They will prefer sweet snacks over salty snacks.
B)   They will prefer salty snacks over sweet snacks.
C)   They will not snack while watching the movie.
D)   Their snacking will double while watching the movie.

Question 15

Kendrick has a serious case of amnesia and has no memory of anything that occurred more than a minute ago.If he eats dinner at 6,and is then offered dinner at 6:30,most likely he would

Accepted Answer

A)   not remember his recent meal,so would eat the second dinner readily.
B)   refuse the second dinner,saying he had just had dinner.
C)   take one bite and then say he was full from his earlier dinner.
D)   refuse the second dinner,saying he was feeling full.

Question 16

The body's resting rate of energy output is known as its

Accepted Answer

A)   basal metabolic rate.
B)   set point.
C)   ecology of eating.
D)   settling point.

Question 17

Which of the following examples does NOT demonstrate the influence of the ecology of eating on eating behaviors?

Accepted Answer

A)   To reduce her food intake,Janice has purchased smaller plates and bowls.
B)   Nathan refuses to eat whale blubber with his friend's family,who are Native Alaskans.
C)   Lori avoids all restaurants that have a dessert buffet.
D)   David avoids fast-food restaurants that have a supersized menu.

Question 18

Which of the following suggestions would be the WORST advice for a dieter?

Accepted Answer

A)   "Minimize your exposure to tempting foods."
B)   "Accompany your diet with a sustained exercise program."
C)   "Avoid eating during the day so you can enjoy a big meal in the evening."
D)   "Don't eat your meals with friends who are not on a diet."

Question 19

A dieter whose weight falls below his or her set point is likely to experience a(n)

Accepted Answer

A)   increase in hunger and an increase in metabolic rate.
B)   increase in hunger and a decrease in metabolic rate.
C)   decrease in hunger and a decrease in metabolic rate.
D)   decrease in hunger and an increase in metabolic rate.

Question 20

Increases in the hormone insulin lead to

Accepted Answer

A)   increasing estrogen levels.
B)   decreasing blood glucose levels.
C)   increasing PYY levels.
D)   decreasing orexin levels.

Exam 33: Genetic and Environmental Influences on Intelligence

The tendency to eat more food when eating with others illustrates a phenomenon called

Correct AnswerverifiedShow Answer

Increases in the hormone insulin lead to

Correct AnswerverifiedShow Answer

Research on the genetic and environmental influences on body weight has revealed that

Correct AnswerverifiedShow Answer

Which of the following suggestions would be the WORST advice for a dieter?

Correct AnswerverifiedShow Answer

Kendrick has a serious case of amnesia and has no memory of anything that occurred more than a minute ago.If he eats dinner at 6,and is then offered dinner at 6:30,most likely he would

Correct AnswerverifiedShow Answer

Forty-year-old Jim has exercised strenuously on and off all his life.Over the years,however,his body weight has remained close to 160 pounds,which was his body weight in college.His stable body weight best illustrates

Correct AnswerverifiedShow Answer

Compared with past years,people worldwide are consuming ________ food and engaging in ________ physical activity.

Correct AnswerverifiedShow Answer

With sleep deprivation,the levels of leptin ________ and the levels of ghrelin ________.

Correct AnswerverifiedShow Answer

As part of your biological psychology class,you conduct an experiment in which a rat's brain is continuously infused with a hormone called ghrelin.Based on the function of ghrelin,you can predict that the rat will

Correct AnswerverifiedShow Answer

Experiments by ________ and colleagues found that part of our feelings of hunger is our memory of our last meal.

Correct AnswerverifiedShow Answer

Six-year-old David is wary of trying your new lamb stew.He is also not that excited about trying frog legs or chocolate-covered bumble bees.This avoidance of unfamiliar foods

Correct AnswerverifiedShow Answer

Which of the following examples does NOT demonstrate the influence of the ecology of eating on eating behaviors?

Correct AnswerverifiedShow Answer

Jana is visiting friends in Bangkok and is asked to try a local delicacy,sautéed grasshoppers.She is reluctant to do so as her ________,which was adaptive for our ancestors,makes Jana less willing to consume this odd food.

Correct AnswerverifiedShow Answer

Jack and Sam are watching an intense action movie.What can be expected regarding their snacking behavior while watching the movie?

Correct AnswerverifiedShow Answer

The body's resting rate of energy output is known as its

Correct AnswerverifiedShow Answer

________ is the main source of energy in your body.

Correct AnswerverifiedShow Answer

An individual is considered obese if his or her body mass index (BMI) is

Correct AnswerverifiedShow Answer

Sonya has just finished a large birthday dinner.When the waiter offers to give her a complementary birthday dessert,she explains that she is not feeling hungry at the moment.This is likely because her

Correct AnswerverifiedShow Answer

The specific body weight maintained automatically by most adults over long periods of time is known as the

Correct AnswerverifiedShow Answer

A dieter whose weight falls below his or her set point is likely to experience a(n)

Correct AnswerverifiedShow Answer

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Compared with past years,people worldwide are consuming food and engaging in physical activity.

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With sleep deprivation,the levels of leptin and the levels of ghrelin .

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