EXSC 223 Final (Dr. Thompson, USC) Exam Questions
And Correct Answers
Positive feedback mechanisms tend to increase the original stimulus. - ANSWER true
Imaging is useful in discovering obstructed blood supplies in organs and tissues. - ANSWER
true
The anatomical position means the body is standing at attention with the palms facing
forward and the thumbs pointing away from the body. - ANSWER true
The elbow is proximal to the shoulder. - ANSWER false
The serous membrane that lines the peritoneal cavity wall is called visceral peritoneum. -
ANSWER false
A major function of serous membranes is to decrease friction. - ANSWER true
The right hypochondriac region contains the majority of the stomach. - ANSWER false
Lungs carry out an excretory function. - ANSWER true
,Embryology concerns the structural changes that occur in an individual from conception
through old age. - ANSWER false
A tissue consists of groups of similar cells that have a common function. - ANSWER true
It is important for any organism to maintain its boundaries, so that its internal environment
remains distinct from the external environment surrounding it. - ANSWER true
Without some sort of negative feedback mechanism, it would be impossible to keep our boy
chemistry in balance. - ANSWER true
Regardless of the variable being regulated, all homeostatic control mechanisms have at least
three independent components. - ANSWER true
The epigastric region is located superior to the umbilical region. - ANSWER true
The atomic weight is only an average of relative weights of an atom and its isotopes, and it
may vary from the weight of a specific isotope. - ANSWER true
Emulsions and colloids are the same thing. - ANSWER true
Chemical properties are determined primarily by neutrons. - ANSWER false
, A charged particle is generally called an ion. - ANSWER true
Isotopes differ from each other only in the number of electrons contained. - ANSWER false
About 60% to 80% of the volume of most living cells consists of organic compounds. -
ANSWER false
Lipids are a poor source of stored energy. - ANSWER false
Current information theorizes that omega-3 fatty acids decrease the risk of heart disease. -
ANSWER true
Glucose is an example of a monosaccharide. - ANSWER true
A molecule consisting of one carbon atom and two oxygen atoms is correctly written as CO2.
- ANSWER true
The lower the pH, the higher the hydrogen ion concentration. - ANSWER true
Covalent bonds are generally less stable than ionic bonds. - ANSWER false
And Correct Answers
Positive feedback mechanisms tend to increase the original stimulus. - ANSWER true
Imaging is useful in discovering obstructed blood supplies in organs and tissues. - ANSWER
true
The anatomical position means the body is standing at attention with the palms facing
forward and the thumbs pointing away from the body. - ANSWER true
The elbow is proximal to the shoulder. - ANSWER false
The serous membrane that lines the peritoneal cavity wall is called visceral peritoneum. -
ANSWER false
A major function of serous membranes is to decrease friction. - ANSWER true
The right hypochondriac region contains the majority of the stomach. - ANSWER false
Lungs carry out an excretory function. - ANSWER true
,Embryology concerns the structural changes that occur in an individual from conception
through old age. - ANSWER false
A tissue consists of groups of similar cells that have a common function. - ANSWER true
It is important for any organism to maintain its boundaries, so that its internal environment
remains distinct from the external environment surrounding it. - ANSWER true
Without some sort of negative feedback mechanism, it would be impossible to keep our boy
chemistry in balance. - ANSWER true
Regardless of the variable being regulated, all homeostatic control mechanisms have at least
three independent components. - ANSWER true
The epigastric region is located superior to the umbilical region. - ANSWER true
The atomic weight is only an average of relative weights of an atom and its isotopes, and it
may vary from the weight of a specific isotope. - ANSWER true
Emulsions and colloids are the same thing. - ANSWER true
Chemical properties are determined primarily by neutrons. - ANSWER false
, A charged particle is generally called an ion. - ANSWER true
Isotopes differ from each other only in the number of electrons contained. - ANSWER false
About 60% to 80% of the volume of most living cells consists of organic compounds. -
ANSWER false
Lipids are a poor source of stored energy. - ANSWER false
Current information theorizes that omega-3 fatty acids decrease the risk of heart disease. -
ANSWER true
Glucose is an example of a monosaccharide. - ANSWER true
A molecule consisting of one carbon atom and two oxygen atoms is correctly written as CO2.
- ANSWER true
The lower the pH, the higher the hydrogen ion concentration. - ANSWER true
Covalent bonds are generally less stable than ionic bonds. - ANSWER false
