IBSS 1532 Exam– Questions With Applicable
Solutions
What structure acts as the superior boundary of the abdominal
cavity? Correct Answer - the diaphragm
What structure acts as the inferior boundary of the abdominal
cavity? Correct Answer - nothing - the abdominal and pelvic
cavities are continuous with one aother
What is the most superficial component of the abdominal wall?
Correct Answer - there are two layers of superficial fascia
What are the two layers of superficial fascia on the abdominal wall?
Correct Answer - exterior Camper's fascia, and Scarpa's fascia
underneath
What is the outermost muscular layer of the abdominal wall?
Correct Answer - external abdominal obliques
What is aponeurosis on the abdominal wall? Correct Answer -
It is the region on the anterior abdominal wall where muscle fibers
blend in with one another
Which body wall muscle is metal to the internal abdominal oblique?
Correct Answer - the rectus abdominis
In which direction are the fibers of the rectus abdomens oriented?
Correct Answer - vertically
In which direction are the fibers of the internal abdominal oblique
oriented? Correct Answer - on a diagonal axis, pointing up
towards the heart
,Which abdominal wall muscle lies deep to the internal obliques?
Correct Answer - transversus abdominis
In which direction are the fibers of the transversus abdominis
oriented? Correct Answer - horizontal
Where is the transversals fascia located within the abdominal wall?
Correct Answer - it is deep to the transversis abdominis muscle
Which layer of tissue lines the inside of the abdominal body cavity?
Correct Answer - parietal peritoneum
What are the five layers of tissue that line the abdominal wall, from
superficial to deep? Correct Answer - -external oblique
-internal oblique
-transversis abdominis
-transversalis fascia
-parietal peritoneum
What is the peritoneal cavity as it relates to the abdominal cavity?
Correct Answer - it is the space between the parietal and visceral
peritoneum, or the space between the body wall and the organs
What is found in the peritoneal cavity of the abdominal cavity? What
is its function? Correct Answer - it contains serous fluid, which
allows the organs within the cavity to move without generating
friction
Where is visceral peritoneum found within the abdominal body
cavity? Correct Answer - it is the tissue that adheres to the
surface of the organs
,What are the two types of organs in the abdominal cavity based on
their peritoneum? Correct Answer - intraperitoneal and
retroperitoneal
What is the difference between intraperitoneal and retroperitoneal
abdominal organs? Correct Answer - intraperitoneal organs
are completely enclosed by peritoneum while retroperitoneal
organs have surfaces adhered to the body wall that lack peritoneum
Between intraperitoneal and retroperitoneal abdominal organs,
which have a mesentery? Correct Answer - intraperitoneal
What is the function of the mesentery for organs in the GI tract?
Correct Answer - it enables them to move during peristalsis
Is the small intestine intraperitoneal or retroperitoneal? Correct
Answer - intraperitoneal
Which structure transmits veins, arteries, nerves, and lymphatics to
intraperitoneal abdominal organs? Correct Answer - the
mesentary
Is the descending colon intraperitoneal or retroperitoneal?
Correct Answer - retroperitoneal
What does it mean for an organ to be secondarily retroperitoneal?
Correct Answer - that an organ was once intraperitoneal, but
was pushed against the body wall during development and became
retroperitoneal
What is the greater omentum in the abdominal cavity? Correct
Answer - it is a big, fatty sheath that projects down from the
stomach and covers abdominal organs
, Which tissue structure connects the stomach to the liver? Correct
Answer - the lesser omentum
What is the structure of the mesointestine? Correct Answer - it
has a short root and long border along the small intestine, and
contains many nerves and vessels
What is another name for the mesointestine? Correct Answer -
the mesentery
transverse mesocolon Correct Answer -
sigmoid mesocolon Correct Answer -
Is the sigmoid colon intraperitoneal or retroperitoneal? Correct
Answer - intraperitoneal
Mesoappendix Correct Answer -
Which part of the stomach receives food from the esophagus?
Correct Answer - the cardia
lower esophageal sphincter Correct Answer -
Greater curvature of the stomach Correct Answer -
lesser curvature of the stomach Correct Answer -
What is true of the mesentery supply to the stomach? Correct
Answer - the greater and lesser curvatures each have their own
mesentery
Solutions
What structure acts as the superior boundary of the abdominal
cavity? Correct Answer - the diaphragm
What structure acts as the inferior boundary of the abdominal
cavity? Correct Answer - nothing - the abdominal and pelvic
cavities are continuous with one aother
What is the most superficial component of the abdominal wall?
Correct Answer - there are two layers of superficial fascia
What are the two layers of superficial fascia on the abdominal wall?
Correct Answer - exterior Camper's fascia, and Scarpa's fascia
underneath
What is the outermost muscular layer of the abdominal wall?
Correct Answer - external abdominal obliques
What is aponeurosis on the abdominal wall? Correct Answer -
It is the region on the anterior abdominal wall where muscle fibers
blend in with one another
Which body wall muscle is metal to the internal abdominal oblique?
Correct Answer - the rectus abdominis
In which direction are the fibers of the rectus abdomens oriented?
Correct Answer - vertically
In which direction are the fibers of the internal abdominal oblique
oriented? Correct Answer - on a diagonal axis, pointing up
towards the heart
,Which abdominal wall muscle lies deep to the internal obliques?
Correct Answer - transversus abdominis
In which direction are the fibers of the transversus abdominis
oriented? Correct Answer - horizontal
Where is the transversals fascia located within the abdominal wall?
Correct Answer - it is deep to the transversis abdominis muscle
Which layer of tissue lines the inside of the abdominal body cavity?
Correct Answer - parietal peritoneum
What are the five layers of tissue that line the abdominal wall, from
superficial to deep? Correct Answer - -external oblique
-internal oblique
-transversis abdominis
-transversalis fascia
-parietal peritoneum
What is the peritoneal cavity as it relates to the abdominal cavity?
Correct Answer - it is the space between the parietal and visceral
peritoneum, or the space between the body wall and the organs
What is found in the peritoneal cavity of the abdominal cavity? What
is its function? Correct Answer - it contains serous fluid, which
allows the organs within the cavity to move without generating
friction
Where is visceral peritoneum found within the abdominal body
cavity? Correct Answer - it is the tissue that adheres to the
surface of the organs
,What are the two types of organs in the abdominal cavity based on
their peritoneum? Correct Answer - intraperitoneal and
retroperitoneal
What is the difference between intraperitoneal and retroperitoneal
abdominal organs? Correct Answer - intraperitoneal organs
are completely enclosed by peritoneum while retroperitoneal
organs have surfaces adhered to the body wall that lack peritoneum
Between intraperitoneal and retroperitoneal abdominal organs,
which have a mesentery? Correct Answer - intraperitoneal
What is the function of the mesentery for organs in the GI tract?
Correct Answer - it enables them to move during peristalsis
Is the small intestine intraperitoneal or retroperitoneal? Correct
Answer - intraperitoneal
Which structure transmits veins, arteries, nerves, and lymphatics to
intraperitoneal abdominal organs? Correct Answer - the
mesentary
Is the descending colon intraperitoneal or retroperitoneal?
Correct Answer - retroperitoneal
What does it mean for an organ to be secondarily retroperitoneal?
Correct Answer - that an organ was once intraperitoneal, but
was pushed against the body wall during development and became
retroperitoneal
What is the greater omentum in the abdominal cavity? Correct
Answer - it is a big, fatty sheath that projects down from the
stomach and covers abdominal organs
, Which tissue structure connects the stomach to the liver? Correct
Answer - the lesser omentum
What is the structure of the mesointestine? Correct Answer - it
has a short root and long border along the small intestine, and
contains many nerves and vessels
What is another name for the mesointestine? Correct Answer -
the mesentery
transverse mesocolon Correct Answer -
sigmoid mesocolon Correct Answer -
Is the sigmoid colon intraperitoneal or retroperitoneal? Correct
Answer - intraperitoneal
Mesoappendix Correct Answer -
Which part of the stomach receives food from the esophagus?
Correct Answer - the cardia
lower esophageal sphincter Correct Answer -
Greater curvature of the stomach Correct Answer -
lesser curvature of the stomach Correct Answer -
What is true of the mesentery supply to the stomach? Correct
Answer - the greater and lesser curvatures each have their own
mesentery
