Question 1

Convective heat loss occurs when

Accepted Answer

A)  water evaporates from the skin's surface. 
B)  warm air rises from the body's surface. 
C)  a cooler object rests on the body's surface. 
D)  one swims in water below body temperature. 
E)  All of the answers are correct. 
A)  water evaporates from the skin's surface. 
B)  warm air rises from the body's surface. 
C)  a cooler object rests on the body's surface. 
D)  one swims in water below body temperature. 
E)  All of the answers are correct. B

Question 2

Specific responses to changes in body temperature are regulated by the

Accepted Answer

A)  thermoreceptors. 
B)  hypothalamus. 
C)  medulla oblongata. 
D)  skin. 
E)  cardiac output. 
A)  thermoreceptors. 
B)  hypothalamus. 
C)  medulla oblongata. 
D)  skin. 
E)  cardiac output. B

Question 3

The process of glycogen formation is known as ________.

Accepted Answer

glycogenesis

Question 4

Classify each scenario below as to primarily which type of work is being done.
-maintaining a concentration gradient across a membrane

Accepted Answer

A) chemical work 
B) transport work 
C) mechanical work 
A) chemical work 
B) transport work 
C) mechanical work

Question 5

The enzyme ________ converts triglycerides into free fatty acids and monoglycerides.

Accepted Answer

The answer of The enzyme ________ converts triglycerides into free...

Question 6

The level of ketone bodies in the blood increases when high levels of ________ are being metabolized.

Accepted Answer

A)  fatty acids 
B)  glucose 
C)  proteins 
D)  amino acids 
E)  carbohydrates 
A)  fatty acids 
B)  glucose 
C)  proteins 
D)  amino acids 
E)  carbohydrates

Question 7

When blood glucose levels rise, as in the "fed" state,

Accepted Answer

A)  only insulin is released. 
B)  only glucagon is released. 
C)  only peripheral cells take up less glucose. 
D)  only protein synthesis decreases. 
E)  All of these answers are correct. 
A)  only insulin is released. 
B)  only glucagon is released. 
C)  only peripheral cells take up less glucose. 
D)  only protein synthesis decreases. 
E)  All of these answers are correct.

Question 8

Drugs used to treat diabetes may

Accepted Answer

A)  stimulate beta-cell secretion of insulin. 
B)  stimulate digestion and absorption of carbohydrates in the intestine. 
C)  stimulate hepatic glucose output. 
D)  decrease responsiveness of target tissue to insulin. 
E)  None of these answers are correct. 
A)  stimulate beta-cell secretion of insulin. 
B)  stimulate digestion and absorption of carbohydrates in the intestine. 
C)  stimulate hepatic glucose output. 
D)  decrease responsiveness of target tissue to insulin. 
E)  None of these answers are correct.

Question 9

Why does insulin deficiency lead to metabolic acidosis?

Accepted Answer

Insulin deficiency produces a fasted-sta

Question 10

Lipids are broken down into ________, which feeds into glycolysis, and ________, which are metabolized to acetyl CoA.

Accepted Answer

glycerol,

Question 11

An enzyme that digests fats is

Accepted Answer

A)  hydrolase. 
B)  lipase. 
C)  lyase. 
D)  ligase. 
E)  kinase. 
A)  hydrolase. 
B)  lipase. 
C)  lyase. 
D)  ligase. 
E)  kinase.

Question 12

Measuring oxygen consumption as a way of estimating a person's metabolic rate is a type of ________.

Accepted Answer

indirect c

Question 13

Low leptin levels have been observed in athletes with chronic negative energy balance.What might be a possible explanation for this? Would you expect neuropeptide Y (NPY)levels to be high? Explain.

Accepted Answer

Leptin is believed to provide negative f

Question 14

Glucagon

Accepted Answer

A)  only stimulates gluconeogenesis. 
B)  primarily targets the liver. 
C)  primarily targets skeletal muscle. 
D)  stimulates gluconeogenesis and primarily targets the liver. 
E)  stimulates gluconeogenesis and primarily targets skeletal muscle. 
A)  only stimulates gluconeogenesis. 
B)  primarily targets the liver. 
C)  primarily targets skeletal muscle. 
D)  stimulates gluconeogenesis and primarily targets the liver. 
E)  stimulates gluconeogenesis and primarily targets skeletal muscle.

Question 15

Classify each scenario below as to primarily which type of work is being done.
-working on a dock, loading and unloading boxes into trucks all day

Accepted Answer

A) chemical work 
B) transport work 
C) mechanical work 
A) chemical work 
B) transport work 
C) mechanical work

Question 16

The lipoprotein most likely to be called "good (or healthy)cholesterol" is ________.

Accepted Answer

The answer of The lipoprotein most likely to be called...

Question 17

________ is the amount of heat generated during the digestion of a meal.

Accepted Answer

Diet-induc

Question 18

High protein (low carbohydrate)diets have become popular in recent years.Based on what you've learned about metabolism and the body's energy needs, explain what might be some of the disadvantages of this type of diet.

Accepted Answer

Low carbohydrate diets shift the body to

Question 19

Amylin

Accepted Answer

A)  is co-secreted with insulin. 
B)  is co-secreted with glucagon. 
C)  helps regulate glucose homeostasis by speeding up gastric emptying. 
D)  is co-secreted with insulin and helps regulate glucose homeostasis by speeding up gastric emptying. 
E)  is co-secreted with glucagon and helps regulate glucose homeostasis by speeding up gastric emptying. 
A)  is co-secreted with insulin. 
B)  is co-secreted with glucagon. 
C)  helps regulate glucose homeostasis by speeding up gastric emptying. 
D)  is co-secreted with insulin and helps regulate glucose homeostasis by speeding up gastric emptying. 
E)  is co-secreted with glucagon and helps regulate glucose homeostasis by speeding up gastric emptying.

Question 20

Match the nutrient to its primary fate.
-storage

Accepted Answer

A) carbohydrate 
B) protein 
C) fat 
A) carbohydrate 
B) protein 
C) fat

Exam 22: Metabolism and Energy Balance

Convective heat loss occurs when

Specific responses to changes in body temperature are regulated by the

The process of glycogen formation is known as ________.

Classify each scenario below as to primarily which type of work is being done. -maintaining a concentration gradient across a membrane

The enzyme ________ converts triglycerides into free fatty acids and monoglycerides.

The level of ketone bodies in the blood increases when high levels of ________ are being metabolized.

When blood glucose levels rise, as in the "fed" state,

Drugs used to treat diabetes may

Why does insulin deficiency lead to metabolic acidosis?

Lipids are broken down into ________, which feeds into glycolysis, and ________, which are metabolized to acetyl CoA.

An enzyme that digests fats is

Measuring oxygen consumption as a way of estimating a person's metabolic rate is a type of ________.

Low leptin levels have been observed in athletes with chronic negative energy balance.What might be a possible explanation for this? Would you expect neuropeptide Y (NPY)levels to be high? Explain.

Glucagon

Classify each scenario below as to primarily which type of work is being done. -working on a dock, loading and unloading boxes into trucks all day

The lipoprotein most likely to be called "good (or healthy)cholesterol" is ________.

________ is the amount of heat generated during the digestion of a meal.

High protein (low carbohydrate)diets have become popular in recent years.Based on what you've learned about metabolism and the body's energy needs, explain what might be some of the disadvantages of this type of diet.

Amylin

Match the nutrient to its primary fate. -storage

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

Filters

Lipids are broken down into , which feeds into glycolysis, and , which are metabolized to acetyl CoA.