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Viewing:

Review Ch. 3 Abdomen

front 1

What 6 organs are part of the digestive system?

back 1

OPES Si Li = Oral Cavity, Pharynx, Esophagus, Stomach, Small intestine, Large intestinte

front 2

What is KUB

back 2

Kidney, ureters, bladder

front 3

What else does KUB refer to?

back 3

Abdomen supine. When shooting an abdomen supine x-ray we can demonstrate the borders of the psoas major muscles.

front 4

What are 3 abdominal muscles?

back 4

Diaphragm, R psoas major, L psoas major

front 5

Where does the psoas major muscle originate?

back 5

at the transverse process of L1

front 6

Where does the psoas major muscle insert?

back 6

at the lesser trochanter of the femur.

front 7

Psoas major muscle

back 7

Is one of the major flexor muscles of the trunk. It allows us to bend waist down.

front 8

Diaphragm

back 8

an inspiration muscle which separates the thoracic cavity from the abdominal cavity

front 9

Which organs are a part of the digestive tract?

back 9

Oral cavity, Pharynx, Esophagus, Stomach, Small intestine, and Large intestine

front 10

What are the accessory organs?

back 10

Liver, Gallbladder, and Pancreas

front 11

cholelithiasis

back 11

is the presence of gallstones in the gallbladder

front 12

What are the functions of the accessory organs?

back 12

They are involved in the digestion and break down of food particles.

front 13

Spleen

back 13

is a part of the lymphatic system located in the abdomen

front 14

stomach

back 14

first organ of the digestive system located in the abdominal cavity. Size and shape depends on the body habitus and contents of the stomach.

front 15

What connects the stomach to the duodenum?

back 15

Pylorus

front 16

How long is the small intestine?

back 16

15 to 18 feet

front 17

What parts are in the small intestine?

back 17

Duodenum (10 inches or 25cm in length), Jejunum (2/5), Ileum (3/5)

front 18

Where does the ileum end?

back 18

RLQ

front 19

Where is the ileocecal valve located?

back 19

at the conjunction where the ileum meets the cecum

front 20

Which organ is the last organ of the digestion system

back 20

large intestine

front 21

How long is the large intestine?

back 21

about 1.5 meters

front 22

What parts are in the large intestine?

back 22

Ileocecal valve, Appendix (Vermiform), Cecum, Ascending Colon,Right colic (hepatic) flexure, Transverse colon, Left colic (splenic) flexure, Descending colon, Sigmoid colon, Rectum, Anus

front 23

What is the main function of the Ileocecal valve?

back 23

Prevents back flow of bowel movements.

front 24

What are the 9 abdominal regions?

back 24

  1. Right hypochondriac
  2. Epigastric
  3. Left hypochondriac
  4. Right lateral (lumbar)
  5. Umbilical
  6. Left lateral (lumbar)
  7. Right inguinal (iliac)
  8. Pubic (hypogastric)
  9. Left inguinal (iliac)

front 25

What are considerations about Gonadal shielding for abdomen imaging?

back 25

Males always shield. Physician must decide if female may be shielded.

front 26

What are the 7 landmarks? Which 3 are most commonly used?

back 26

  1. Xiphoid process (T9-T10)
  2. Inferior costal margin (L2-L3)
  3. Iliac crest (L4-L5)
  4. ASIS
  5. Greater trochanter
  6. Symphysis pubis
  7. Ischial tuberosity

Most used

1. Iliac crest

2. ASIS

3. Greater trochanter

front 27

What are abdominal positioning considerations?

back 27

  • Exposure on expiration - for diaphragm can go up
  • IR markers - Lower hip bone area
  • Collimation - always collimate tightly unless imaging an obese patient

front 28

What are abdominal exposure factors to consider?

back 28

  • Analog kV (70-80)/Digital kV (80-90)
    may change -/+ depending on body habitus
  • Short exposure time
  • Adequate mAs

front 29

What does Pneumoperitonium refer to?

back 29

Free air or gas in the peritoneal cavity.

front 30

What is Intussusception?

back 30

When the distal small intestine, loops over itself and creates an obstruction. Needs to be treated within 48 hours before necrosis (tissue death). Most common in kids.

front 31

The largest solid organ in the abdomen

back 31

Liver

front 32

True or false? The stomach is located in the left upper quadrant of the abdomen?

back 32

True

front 33

The membrane covering the abdominal organs is termed

back 33

Visceral peritoneum

front 34

In which region or compartment of the abdomen is the pancreas located?

back 34

Retroperitoneal

front 35

The spleen is located in which quadrant?

back 35

LUQ

front 36

In which abdominal region is the majority of the transverse colon located in a person with a sthenic body type?

back 36

Umbilical region

front 37

Which segment of the large intestine is located in the right lower quadrant of the abdomen?

back 37

Cecum

front 38

In which region or compartment of the abdomen is the urinary bladder located?

back 38

Infraperitoneal

front 39

Which topographic landmark corresponds to the level of L2/L3?

back 39

Inferior costal margin

front 40

What is the greater trochanter is part of?

back 40

Proximal femur

front 41

A properly exposed radiograph of the abdomen should demonstrate the:
1. Renal outline
2. Psoas muscles
3. Urinary bladder

back 41

1 and 2 only

front 42

What is the best method of reducing involuntary motion during an abdomen projection?

back 42

Short exposure time

front 43

Neoplasms of the abdominal organs can be evaluated with:
1. Computed tomography
2. Magnetic resonance imaging
3. Sonography

back 43

1, 2 and 3

front 44

An abnormal collection of free air or gas within the peritoneal cavity is termed:

back 44

Pneumoperitoneum

front 45

Which pathologic condition is most common in young children?

back 45

Intussusception

front 46

Which one of the following structures must be demonstrated on a KUB projection?

  • Symphysis pubis
  • Obturator foramen
  • Xiphoid process
  • Ischial tuberosities

back 46

Symphysis pubis

front 47

Two AP projections in the supine position with the IR oriented crosswise may be needed for patients who have a body type that is:

  • Asthenic
  • Hypersthenic
  • Hyposthenic
  • Sthenic

back 47

Hypersthenic

front 48

The AP projection of the abdomen is a better choice than a PA projection when the kidneys are of primary interest due to:

  • Less motion
  • Increased patient comfort
  • Less magnification of the kidneys
  • Decreased gonadal dose for female patients

back 48

Less magnification of the kidneys

front 49

Which projection or position of the abdomen will best demonstrate an umbilical hernia?

  • Left lateral decubitus position
  • Dorsal decubitus position
  • Right lateral decubitus position
  • AP erect projection

back 49

Dorsal decubitus position

front 50

Where is the CR directed for a left lateral decubitus position of the abdomen?

  • At level of iliac crest
  • At level of xiphoid process
  • At level of inferior costal margin
  • 2 inches (5 cm) above iliac crests

back 50

2 inches (5 cm) above iliac crests

front 51

What is the optimal amount of time a patient should lie on his side prior to a left lateral decubitus projection?

  • 1 to 2 minutes
  • 5 to 10 minutes
  • 10 to 20 minutes
  • 20 to 40 minutes

back 51

10 to 20 min

front 52

An acute abdominal series includes AP projections in the:
1. Supine position
2. Erect position
3. Dorsal decubitus position

back 52

1 and 2 only

front 53

Which projection is performed to demonstrate free air or gas in the abdominal cavity when the patient is unable to stand?

  • AP supine abdomen
  • Left lateral decubitus
  • Right lateral decubitus
  • PA supine abdomen

back 53

Left lateral decubitus

front 54

Clinical indications for an acute abdominal series include:
1. Ascites
2. Ileus
3. Urinary calculi

back 54

1 and 2 only

front 55

Which positioning error is classified as a repeatable error for an AP supine-KUB projection?

  • Four-side collimation not evident on radiograph
  • Slight tilt of the spine
  • Symphysis pubis not included on radiograph
  • Ischial tuberosities not demonstrated on radiograph

back 55

Symphysis pubis not included on radiograph

front 56

Which structure is evaluated to determine rotation on an AP radiograph of the abdomen?

  • Psoas major muscles
  • Kidney shadows
  • Iliac wings
  • Symphysis pubis

back 56

Iliac wings

front 57

What is the specific positioning error if the right iliac wing is wider in appearance as compared to the left as seen on an AP supine abdomen radiograph?

  • Rotation of the right side of the body toward the IR (right rotation)
  • Rotation of the left side of the body toward the IR (left rotation)
  • Tilt of the spine to the right
  • Tilt of the spine to the left

back 57

Rotation of the right side of the body toward the IR (right rotation)

front 58

The position demonstrated in the abdomen image below is the:

  • Dorsal decubitus
  • Erect lateral
  • Lateral decubitus
  • Ventral decubitus

back 58

Dorsal decubitus

front 59

The abdomen image below could be improved by:
1. Directing the CR to the level of the iliac crest
2. Decreasing mAs
3. Decreasing kV

  • 1 only
  • 3 only
  • 1 and 2 only
  • 2 and 3 only

back 59

1 only

front 60

The abdomen image below could be improved by:
1. Aligning the midsagittal plane to the center of the IR
2. Collimating to skin surface
3. Decreasing mAs

  • 2 only
  • 3 only
  • 1 and 2 only
  • 1, 2, and 3

back 60

1, 2, and 3