D312 A&P 1 WITH LAB STUDY GUIDE - SECTION 1 (WGU - A&P
1QUESTIONS WITH WELL DETAILED AND ACCURATE ANSWERS PLUS
RATIONALES FROM THE STUDY GUIDE) CORRECTLY SOLVED!!
Question 1
Which of the following correctly lists the hierarchical organization of the human body from the
simplest to the most complex level?
A) Cells - Tissues - Chemical - Organs - System - Organism
B) Chemical - Cells - Tissues - Organs - System - Organism
C) Organism - System - Organs - Tissues - Cells - Chemical
D) Tissues - Cells - Organs - System - Organism - Chemical
E) Chemical - Tissues - Cells - System - Organs - Organism
Correct Answer: B) Chemical - Cells - Tissues - Organs - System - Organism
Rationale: The hierarchical organization of the human body starts with the simplest level,
the chemical level (building blocks of matter), and progresses to cells, then tissues (groups
of similar cells), organs (different tissues working together), organ systems (groups of
organs), and finally the complete organism.
Question 2
What is the primary function of the endocrine system?
A) To transport oxygen and nutrients throughout the body
B) To remove waste products and maintain internal balance
C) To produce and secrete hormones that act as chemical messengers
D) To provide a protective barrier against the external environment
E) To break down food into usable nutrients for the body
Correct Answer: C) To produce and secrete hormones that act as chemical messengers
Rationale: The endocrine system consists of glands and organs that produce and secrete
hormones into the bloodstream to coordinate various body functions like metabolism,
growth, and mood.
Question 3
In the structure of the cell membrane, what is a glycoprotein?
A) A lipid with a carbohydrate attached
B) A protein that spans the entire membrane
,C) A protein with a carbohydrate attached
D) A lipid bilayer forming the membrane's core
E) A protein located on the surface of the membrane
Correct Answer: C) A protein with a carbohydrate attached
Rationale: A glycoprotein is a molecule found on the cell membrane consisting of a protein
that has a carbohydrate chain attached to it.
Question 4
Which organelle is known as the "powerhouse of the cell" and is the primary site of ATP
production?
A) Ribosome
B) Golgi complex
C) Lysosome
D) Endoplasmic Reticulum
E) Mitochondria
Correct Answer: E) Mitochondria
Rationale: The mitochondria are responsible for generating most of the cell's supply of
adenosine triphosphate (ATP), which is used as a source of chemical energy.
Question 5
The movement of substances across a cell membrane without the use of cellular energy (ATP) is
known as what?
A) Active transport
B) Endocytosis
C) Exocytosis
D) Passive transport
E) Cellular division
Correct Answer: D) Passive transport
Rationale: Passive transport is defined as the movement of substances across the cell
membrane that does not require the expenditure of cellular energy.
Question 6
Which type of cell division results in two identical daughter cells from a single parent cell?
,A) Meiosis
B) Mitosis
C) Germ cell formation
D) Somatic fusion
E) Cytokinesis
Correct Answer: B) Mitosis
Rationale: Mitosis is the process of cell division where a single parent cell divides to produce
two genetically identical daughter cells.
Question 7
All cells in the human body are considered somatic cells EXCEPT for which type?
A) Muscle cells
B) Nerve cells
C) Red blood cells
D) Germ cells
E) Epithelial cells
Correct Answer: D) Germ cells
Rationale: Somatic cells include all cells in the body except for germ cells, which are the
reproductive cells (sperm and oocytes).
Question 8
Which of the four basic tissue types is responsible for covering the outside of the body and lining
organs and cavities?
A) Connective tissue
B) Muscle tissue
C) Nervous tissue
D) Epithelial tissue
E) Skeletal tissue
Correct Answer: D) Epithelial tissue
Rationale: Epithelial tissue forms the covering on all internal and external surfaces of your
body, lines body cavities and hollow organs, and is the major tissue in glands.
, Question 9
In anatomical terminology, what does "anterior" refer to?
A) The back of the body
B) Higher on the body, near the head
C) The front of the body
D) Farther from the point of attachment
E) Closer to the surface
Correct Answer: C) The front of the body
Rationale: The term anterior is used to describe the front or direction toward the front of
the body.
Question 10
A transverse plane divides the body into which two parts?
A) Left and right parts
B) Front and back parts
C) Medial and lateral parts
D) Upper and lower parts
E) Proximal and distal parts
Correct Answer: D) Upper and lower parts
Rationale: A transverse plane, also known as a horizontal plane, is an imaginary plane that
divides the body into superior (upper) and inferior (lower) parts.
Question 11
The gallbladder and the right lobe of the liver are primarily located in which abdominal
quadrant?
A) Left Upper Quadrant (LUQ)
B) Right Lower Quadrant (RLQ)
C) Left Lower Quadrant (LLQ)
D) Right Upper Quadrant (RUQ)
E) Medial Quadrant (MQ)
Correct Answer: D) Right Upper Quadrant (RUQ)
1QUESTIONS WITH WELL DETAILED AND ACCURATE ANSWERS PLUS
RATIONALES FROM THE STUDY GUIDE) CORRECTLY SOLVED!!
Question 1
Which of the following correctly lists the hierarchical organization of the human body from the
simplest to the most complex level?
A) Cells - Tissues - Chemical - Organs - System - Organism
B) Chemical - Cells - Tissues - Organs - System - Organism
C) Organism - System - Organs - Tissues - Cells - Chemical
D) Tissues - Cells - Organs - System - Organism - Chemical
E) Chemical - Tissues - Cells - System - Organs - Organism
Correct Answer: B) Chemical - Cells - Tissues - Organs - System - Organism
Rationale: The hierarchical organization of the human body starts with the simplest level,
the chemical level (building blocks of matter), and progresses to cells, then tissues (groups
of similar cells), organs (different tissues working together), organ systems (groups of
organs), and finally the complete organism.
Question 2
What is the primary function of the endocrine system?
A) To transport oxygen and nutrients throughout the body
B) To remove waste products and maintain internal balance
C) To produce and secrete hormones that act as chemical messengers
D) To provide a protective barrier against the external environment
E) To break down food into usable nutrients for the body
Correct Answer: C) To produce and secrete hormones that act as chemical messengers
Rationale: The endocrine system consists of glands and organs that produce and secrete
hormones into the bloodstream to coordinate various body functions like metabolism,
growth, and mood.
Question 3
In the structure of the cell membrane, what is a glycoprotein?
A) A lipid with a carbohydrate attached
B) A protein that spans the entire membrane
,C) A protein with a carbohydrate attached
D) A lipid bilayer forming the membrane's core
E) A protein located on the surface of the membrane
Correct Answer: C) A protein with a carbohydrate attached
Rationale: A glycoprotein is a molecule found on the cell membrane consisting of a protein
that has a carbohydrate chain attached to it.
Question 4
Which organelle is known as the "powerhouse of the cell" and is the primary site of ATP
production?
A) Ribosome
B) Golgi complex
C) Lysosome
D) Endoplasmic Reticulum
E) Mitochondria
Correct Answer: E) Mitochondria
Rationale: The mitochondria are responsible for generating most of the cell's supply of
adenosine triphosphate (ATP), which is used as a source of chemical energy.
Question 5
The movement of substances across a cell membrane without the use of cellular energy (ATP) is
known as what?
A) Active transport
B) Endocytosis
C) Exocytosis
D) Passive transport
E) Cellular division
Correct Answer: D) Passive transport
Rationale: Passive transport is defined as the movement of substances across the cell
membrane that does not require the expenditure of cellular energy.
Question 6
Which type of cell division results in two identical daughter cells from a single parent cell?
,A) Meiosis
B) Mitosis
C) Germ cell formation
D) Somatic fusion
E) Cytokinesis
Correct Answer: B) Mitosis
Rationale: Mitosis is the process of cell division where a single parent cell divides to produce
two genetically identical daughter cells.
Question 7
All cells in the human body are considered somatic cells EXCEPT for which type?
A) Muscle cells
B) Nerve cells
C) Red blood cells
D) Germ cells
E) Epithelial cells
Correct Answer: D) Germ cells
Rationale: Somatic cells include all cells in the body except for germ cells, which are the
reproductive cells (sperm and oocytes).
Question 8
Which of the four basic tissue types is responsible for covering the outside of the body and lining
organs and cavities?
A) Connective tissue
B) Muscle tissue
C) Nervous tissue
D) Epithelial tissue
E) Skeletal tissue
Correct Answer: D) Epithelial tissue
Rationale: Epithelial tissue forms the covering on all internal and external surfaces of your
body, lines body cavities and hollow organs, and is the major tissue in glands.
, Question 9
In anatomical terminology, what does "anterior" refer to?
A) The back of the body
B) Higher on the body, near the head
C) The front of the body
D) Farther from the point of attachment
E) Closer to the surface
Correct Answer: C) The front of the body
Rationale: The term anterior is used to describe the front or direction toward the front of
the body.
Question 10
A transverse plane divides the body into which two parts?
A) Left and right parts
B) Front and back parts
C) Medial and lateral parts
D) Upper and lower parts
E) Proximal and distal parts
Correct Answer: D) Upper and lower parts
Rationale: A transverse plane, also known as a horizontal plane, is an imaginary plane that
divides the body into superior (upper) and inferior (lower) parts.
Question 11
The gallbladder and the right lobe of the liver are primarily located in which abdominal
quadrant?
A) Left Upper Quadrant (LUQ)
B) Right Lower Quadrant (RLQ)
C) Left Lower Quadrant (LLQ)
D) Right Upper Quadrant (RUQ)
E) Medial Quadrant (MQ)
Correct Answer: D) Right Upper Quadrant (RUQ)
