Question 1

Extracellular fluid

Accepted Answer

A)  is the internal environment of the body 
B)  is outside the cells but inside the body 
C)  consists of the plasma and interstitial fluid 
D)  exhibits a dynamic steady state in regard to composition, temperature, and volume 
E)  all of these 
A)  is the internal environment of the body 
B)  is outside the cells but inside the body 
C)  consists of the plasma and interstitial fluid 
D)  exhibits a dynamic steady state in regard to composition, temperature, and volume 
E)  all of these

Question 2

The respiratory system

Accepted Answer

A)  obtains O2 from and eliminates CO2 to the internal environment 
B)  includes the heart and lungs 
C)  helps regulate the pH of the internal environment by removing acid-forming CO2 from the blood 
D)  all of the these 
E)  obtains O2 from and eliminates CO2 to the internal environment and helps regulate the pH of the internal environment by removing acid-forming CO2 from the blood 
A)  obtains O2 from and eliminates CO2 to the internal environment 
B)  includes the heart and lungs 
C)  helps regulate the pH of the internal environment by removing acid-forming CO2 from the blood 
D)  all of the these 
E)  obtains O2 from and eliminates CO2 to the internal environment and helps regulate the pH of the internal environment by removing acid-forming CO2 from the blood

Question 3

With positive feedback, a control system's input and output continue to enhance each other.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is not an example of negative feedback?

Accepted Answer

A)  A low grade on an exam causes a student to study harder for the next exam. 
B)  A small stone rolls down a hill and starts an avalanche. 
C)  A person goes to eat in the cafeteria when he/she gets hungry. 
D)  You change a flat tire so you can continue on a journey in your car. 
E)  A person's body shivers after the person falls into a cold river. 
A)  A low grade on an exam causes a student to study harder for the next exam. 
B)  A small stone rolls down a hill and starts an avalanche. 
C)  A person goes to eat in the cafeteria when he/she gets hungry. 
D)  You change a flat tire so you can continue on a journey in your car. 
E)  A person's body shivers after the person falls into a cold river.

Question 5

Complete each of the following statments.
____________________ tissue is composed of cells specialized for contraction and force generation.

Accepted Answer

The answer of Complete each of the following statments.
____________________ tissue...

Question 6

Which sequence represents the correct hierarchy of biological organization in a human?

Accepted Answer

A)  cell-organ-tissue-system-organism 
B)  cell-tissue-organ-system-organism 
C)  tissue-cell-system-organism-organ 
D)  organ-tissue-cell-organism-system 
E)  system-cell-organ-organism-tissue 
A)  cell-organ-tissue-system-organism 
B)  cell-tissue-organ-system-organism 
C)  tissue-cell-system-organism-organ 
D)  organ-tissue-cell-organism-system 
E)  system-cell-organ-organism-tissue

Question 7

Complete each of the following statments.
The internal environment consists of the ____________________, which is made up of ____________________; the fluid portion of the blood; and ____________________, which surrounds and bathes all cells.

Accepted Answer

extracellu

Question 8

Positive feedback moves a controlled variable even further away from a steady state.

Accepted Answer

A) True 
 B)False

Question 9

Beginning with the chemical level and ending with the system level, compare the different levels of organization in the human body with the following things found on a page in a book: sentence, letter, word, ink in a letter, paragraph, and all paragraphs on a page.

Accepted Answer

The ink would be like the chemical level

Question 10

Use the figure above to answer the corresponding questions.
Which number identifies the system that serves as the site of nutrient and waste exchange between cells and the interstitial fluid?
  
a. 1
b. 2
c. 3
d. 4
e. 5

Accepted Answer

The answer of Use the figure above to answer the...

Question 11

Complete each of the following statments.
The two major control systems of the body are the ____________________ and the ____________________.

Accepted Answer

nervous sy

Question 12

Negative feedback operates to maintain a controlled factor in a relatively steady state.

Accepted Answer

A) True 
 B)False

Question 13

The two systems concerned with the control of body functioning are:

Accepted Answer

A)  nervous and respiratory 
B)  nervous and endocrine 
C)  endocrine and respiratory 
D)  endocrine and lymphatic 
E)  circulatory and endocrine 
A)  nervous and respiratory 
B)  nervous and endocrine 
C)  endocrine and respiratory 
D)  endocrine and lymphatic 
E)  circulatory and endocrine

Question 14

Endocrine glands secrete hormones through ducts into the blood.

Accepted Answer

A) True 
 B)False

Question 15

Some activities performed by the muscular and nervous systems are not directed toward maintaining homeostasis.

Accepted Answer

A) True 
 B)False

Question 16

Enzymes are carbohydrates that speed up chemical reactions in the body.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following factors of the internal environment are homeostatically maintained?

Accepted Answer

A)  concentration of nutrient molecules 
B)  concentration of oxygen and carbon dioxide 
C)  pH 
D)  temperature 
E)  all of these 
A)  concentration of nutrient molecules 
B)  concentration of oxygen and carbon dioxide 
C)  pH 
D)  temperature 
E)  all of these

Question 18

The outer layer of the skin consists of ____ tissue.

Accepted Answer

A)  connective 
B)  endocrine 
C)  epithelial 
D)  muscle 
E)  nervous 
A)  connective 
B)  endocrine 
C)  epithelial 
D)  muscle 
E)  nervous

Question 19

The epidermis that covers the skin is a simple organ.

Accepted Answer

A) True 
 B)False

Question 20

Select the incorrect association.

Accepted Answer

A)  anatomy/body structure 
B)  human body/multicellular 
C)  oxygen/cell waste product 
D)  physiology/body function 
E)  unicellular/one-celled 
A)  anatomy/body structure 
B)  human body/multicellular 
C)  oxygen/cell waste product 
D)  physiology/body function 
E)  unicellular/one-celled

Exam 1: Introduction to Physiology and Homeostasis

Extracellular fluid

The respiratory system

With positive feedback, a control system's input and output continue to enhance each other.

Which of the following is not an example of negative feedback?

Complete each of the following statments. ____________________ tissue is composed of cells specialized for contraction and force generation.

Which sequence represents the correct hierarchy of biological organization in a human?

Complete each of the following statments. The internal environment consists of the ____________________, which is made up of ____________________; the fluid portion of the blood; and ____________________, which surrounds and bathes all cells.

Positive feedback moves a controlled variable even further away from a steady state.

Beginning with the chemical level and ending with the system level, compare the different levels of organization in the human body with the following things found on a page in a book: sentence, letter, word, ink in a letter, paragraph, and all paragraphs on a page.

Use the figure above to answer the corresponding questions. Which number identifies the system that serves as the site of nutrient and waste exchange between cells and the interstitial fluid? a. 1 b. 2 c. 3 d. 4 e. 5

Complete each of the following statments. The two major control systems of the body are the ____________________ and the ____________________.

Negative feedback operates to maintain a controlled factor in a relatively steady state.

The two systems concerned with the control of body functioning are:

Endocrine glands secrete hormones through ducts into the blood.

Some activities performed by the muscular and nervous systems are not directed toward maintaining homeostasis.

Enzymes are carbohydrates that speed up chemical reactions in the body.

Which of the following factors of the internal environment are homeostatically maintained?

The outer layer of the skin consists of ____ tissue.

The epidermis that covers the skin is a simple organ.

Select the incorrect association.

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

Filters

Complete each of the following statments. The internal environment consists of the , which is made up of ; the fluid portion of the blood; and , which surrounds and bathes all cells.

Complete each of the following statments. The two major control systems of the body are the and the .