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Chapter 14 final
chapter 14 final-class 3
Question | Answer |
---|---|
the kidneys and ureters are located in the _____________ space | retroperitoneal |
the _________ glands are located directly superior to the kidneys | suprarenal (adrenal) |
which structures create a 20 degree angle between the upper pole and lower pole of the kidney? | posts major muscles |
what is the specific name for the mass of fat that surrounds each kidney? | perirenal fat/adipose capsule |
what degree of rotation from supine is required to place the kidneys parallel to the IR? | 30 degrees |
which 2 landmarks can be palpated to locate the kidneys? | Xiphoid process and iliac crest |
which term describes an abnormal drop of the kidneys when the patient is placed erect? | nephroptosis |
3 functions of the urinary system | remove nitrogenous waste, regulate h20 levels, regulate acid-base balance |
a buildup of nitrogenous waste in the blood is called: | uremia |
the longitudinal fissure found along the central medial boarder of the kidney is called the: | hillim |
the peripheral or outer portion of the kidneys is called the | cortex |
the term that describes the total functioning portion of the kidney is | renal parenchyma |
the microscopic functional and structural unit of the kidney is the | nephron |
t/f the efferent arterioles carry blood to the glomeruli | false |
what is another (older) name for the glomerular capsule? | bowman |
t/f the glomerular capsule and proximal and distal convoluted tubules are located in the medulla of the kidney | false- cortex |
which structure of the medulla is made up of a collection of tubules that drain into the minor calyx? | renal pyramids |
which 2 processes move urine through the ureters to the bladder? | peristalsis and gravity |
which one of the following structures is located most anterior as compared with the others? a. proximal ureters b. kidneys c. urinary bladder d. suprarenal glands | urinary bladder |
what is the name of the junction found between the distal ureters and urinary bladder? | uterovesical jx |
what is the name of the inner, posterior region of the bladder formed by the 2 ureters entering and the urethra exiting? | trigone |
what is the name of the small gland found just inferior to the male bladder? | prostate gland |
the total capacity for the average adult bladder is: | 350 to 500mL |
which one of the following structures is considered to be most posterior? a. ovaries b. urethra c. vagina d. kidneys | kidneys |
intravenous contrast media may be administered by either: | bolus or drip infusion |
t/f the patient(or legal guardian) must sign an informed consent form before a venipuncture procedure is performed on a pediatric patient | true |
for most IVU's, veins in the ___________ are recommended for venipuncture | antecubital fossa |
the most common size of the needle used for bolus injections on adults is: | 18 to 22 gauge |
the 2 most common types of needles used for bolus injection of contrast media are | butterfly & over-the-needle catheter |
in correct order list the 6 steps during a venipuncture procedure (pg 535-537) | 1. wash hands/gloves 2. select site/tourniquet/clean 3. initiate puncture 4. confirm entry/ secure needle 5. proceed 6. remove needle/ catheter |
t/f the bevel of the needle needs to be facing downward during the actual puncture into a vein | false- up |
t/f if extravasation occurs during the puncture, the tech should slightly retract the needle and then push it forward again | false- withdraw and pressure |
t/f if unsuccessful during the initial puncture, a new needle should be used during the second attempt | true |
t/f the radiologist is responsible for documenting all aspects of the venipuncture procedure in the patients chart | false- the tech does this |
ionic contrast media | |
nonionic contrast media | |
which one of the following compounds is a common anion found in iconic contrast media? a. diatrizoate or iothalamate b. sodium or meglumine c. benzoic acid d. none of the above | a. diatrizoate or iothalamate |
any disruption in the physiologic functions of the body that may lead to a contrast media reaction is the basis for the: a. homeostasis theory b. Anaphylactoid theory c. vasovagal theory d. chemotoxic theory | d. chemotoxic theory |
an expected outcome to the introduction of contrast media is described as a________ | side effect |
the normal creatine level for an adult should range between | 0.6 to 1.5mg/dL |
normal BUN levels for an adult should range between | 8-25mg/100mL |
the American college of radiology recommends that metformin be withheld for __________ hrs after a contrast media procedure and resumed only if kidney function is again determined to be within normal limits | 48 hrs |
the leakage of contrast media from a vessel into the surrounding soft tissues is called | extravasation |
list the two general categories of contrast media reactions | local and systematic |
which type of reaction is a true allergic response to iodinated contrast media? | Anaphylactic reaction |
which type of reaction is caused by the stimulation of the vagus nerve by introduction of a contrast medium, which causes heart rate and blood pressure to fall? | vasovagal reaction |
t/f vasovagal reactions are not considered to be life threatening | false |
brachycardi (<50 beats/minute) | severe reaction |
tachycardia (>100beats/minute) | moderate reaction |
angioedema | moderate reaction |
Lightheadedness | mild reaction |
hypotension (Systolic BP <80mm Hg) | severe reaction |
temporary renal failure | severe reaction |
laryngeal swelling | severe reaction |
cardiac arrest | severe reaction |
mild hives | mild reaction |
t/f mild-level contrast media reactions do not usually require medication or medical assistance. | true |
t/f urticaria is the formal term for excessive vomiting | false |
a temporary failure of the renal system is an example of a(n): | severe reaction |
convulsions 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 4. severe systemic |
metallic taste 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 1. side effect |
angioedema 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 3. moderate systemic |
Bradycardia 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 4. severe systemic |
itching 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 2. mild systemic |
vomiting 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 2. mild systemic |
temporary hot flash 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 1. side effect |
respiratory arrest 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 4. severe systemic |
pulmonary edema 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 5. local |
extravasation 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 4. severe systemic |
severe urticaria 1. side effect 2. mild systemic 3. moderate systemic 4. severe systemic 5. local | 3. moderate systemic |
what should the tech do first when a patient is experiencing either a moderate or a severe level contrast media reaction? | call for medical assistance |
what is the primary purpose of the premedication procedure before an iodinated contrast media procedure? | to reduce the severity of reactions |
which of the following drugs is often given to the patient as part of the premedication procedure? a. epinephrine b. valium c. combination of benadryl and prednisone d. lasix | c. combination of benadryl and prednisone |
which type of patient is a likely candidate for the premedication procedure before a contrast media study? a. elderly b. asthmatic c. pediatric d. patient with hypertension | b. asthmatic |
in addition to notifying a nurse or physician when contrast media has extravasated into the soft tissues, what should the tech first do to increase reabsorption? | elevate or use a cold then hot compress |
t/f tissue inflammation from extravasated contrast media peaks 1 to 2 hours after the incident | false- 24 to 48 hours |
t/f acute renal failure may occur 48 hours after an iodinated contrast media performed | true |
contraindications that may prevent a patient from having a contrast media procedure performed | CHF, sickle cell anemia, renal failure, hypersensitivity to iodinated contrast media, diabetes, hepatic/renal disease, multiple myeloma, anuria |
a trademark name for a diuretic drug is | lasix |
why is the term IVP incorrect in describing a radiograph examination of the kidneys, ureters, and bladder after intravenous injection of contrast media? | because IVP= study of renal pelvis, IVU is the correct term |
which one of the following conditions is a common pathologic indication for an IVU? a. sickle cell anemia b. multiple myeloma c. hematuria d. anuria | c. hematuria |
which of the following conditions is described as a rare tumor of the kidney? a. pheochromocytoma b. multiple myeloma c. melanoma d. renal cell carcinoma | a. pheochromocytoma |
pneumouria | presence of gas in urine |
urinary reflux | backward return flow or urine |
uremia | excess urea and creatine in the blood |
anuria | complete cessation of urinary secretion |
polyuria | passage of large volume of urine |
micturition | act of voiding |
retention | inability to void |
oliguria | diminished amount of urine being excreted |
glycosuria | presence of glucose in urine |
urinary incontinence | constant or frequent involuntary passage of urine |
renal agenesis | absence of a functioning kidney |
acute renal failure | indicated by presence of uremia, oliguria, or anuria |
enlargement of the prostate gland | benign prostatic hyperplasia |
fusion of the lower poles of kidneys during the development of the fetus | horseshoe kidney |
inflammation of the capillary loops of the glomeruli of the kidneys | glomerulonephritis |
artificial opening between the urinary bladder and aspects of the large intestine | vesicorectal fistula |
a large stone that grows and completely fills the renal pelvis | staghorn calculus |
increased blood pressure to the kidneys due to atherosclerosis | renal hypertension |
normal kidney that fails to ascend into the abdomen but remains in the pelvis | ectopic kidney |
rapid excretion of contrast media | renal hypertension |
mucosal change within bladder | cystitis |
bilateral, small kidneys with blunted calyces | chronic bright disease |
irregular appearance of renal parenchyma or collecting system | renal cell carcinoma |
signs of abnormal fluid collections | vesicorectal fistula |
abnormal rotation of the kidney | malrotation |
elevated or indented floor of bladder | BPH |
signs of obstruction of urinary system | renal calculi |
a condition characterized by regions or areas of subcutaneous swelling caused by allergic reaction to food or drugs is termed: | angiodema |
contraction of the muscles within the walls of the bronchi and bronchioles, producing a restriction of air passing through them, is a condition called | bronchospasm |
loss of consciousness resulting from reduced cerebral blood flow is termed | syncope |
what type of renal calculi is often associated with chronic urinary tract infections? | staghorn calculi |
t/f the patient should void before IVU to prevent possible rupture of the bladder if compression is applied | true |
what is the primary purpose of ureteric compression? | to enhance filling of pelvicaliceal system |
what conditions could contraindicate the use of ureteric compression | a. possible ureteric stones b. abdominal mass c. abdominal aortic aneurysm d. acute abdominal pain e. abdominal trauma |
when does the timing for an IVU exam start? | at the start of injection of contrast |
list the routine five-step imagine sequence for a routine IVU: | 1. 1 minute nephrogram/nephrotomography 2. 5 minute KUB 3. 10-15 minute KUB 4. 20 minute RPO&LPO 5. postvoid (prone PA or erect AP) |
t/f a retorgrade urogram examines the anatomy and function of the pelvicaliceal system | false |
t/f the brodney clamp is used for male and female cystourethrograms | false- male only |
which of the following involves a direct introduction of contrast media into the structure being studied? a. retrograde urogram b. retrograde cystogram c. retrograde urethrogram d. all of the above | d. all of the above |
which of the following alternative imaging modalities is NOT routinely being used to diagnose Renal calculi? a. nuclear medicine b. sonography c. magnetic resonance imaging d. computed tomography | c. magnetic resonance imagine |
t/f urinary studies on pediatric patients should be scheduled early in the morning to minimize the risk for dehydration? | true |
t/f the number of retrograde urography procedures for uretheral calculi has been reduced as a result of the increased use of CT. | true |
t/f the number of retrograde urography procedures for urethral calculi has been reduced as a result of the increased use of CT | true |
exposure factors used during a CT procedure can be adjusted to compensate for a decrease or increase in body size according to __________ and ________ | height and weight |
t/f the patient does not require extensive bowel preparation before a CT scan for renal calculi | true |
which imaging modality is used to detect subtle tissue changes following a renal transplant? a. MRI b. CT c. Radiography-IVU d. nuclear medicine | a. MRI |
t/f nuclear medicine is highly effective in demonstrating signs of vesicorueteral reflux | true |
how will an enlarged prostate gland appear on a post void radiograph taken during an IVU | |
where should the pneumatic paddle be placed for ureteric compression phase of an IVU? | medial to asis & lateral to spine |
what can be done to enhance filling of the calyces of the kidney if ureteric compression is contraindicated? | 15 degrees trendelenburg |
a retrogarde pyelogram is primarily a nonfunctional study of the_____________ | renal pelvis, major and minor calyces |
what are 4 reasons a scout projection is taken before the injection of contrast media for an IVU? | 1. check patient prep 2. exposure factor 3. positioning 4. abnormal calcifications |
what specific anatomy is examined during a retrograde ureterogram? a. primarily the ureters b. primarily the renal pelvis and calyces c. entire urinary system d. urinary bladder | a. primarily the ureters |
which specific position is recommended for a male patient during a voiding cystourethrogram? | 30 degrees RPO |
which kV range (analog and digital) is recommended for an IVU? | 70-80KV |
t/f male and female patients should have the gonads shielded for an AP scout projection? | false |
t/f tomograms taken during an IVU with an exposure angle of 10 degrees or less are called zonography | true |
how many tomograms (zonograms) are usually produced during a routine IVU? | 3 |
at what stage of an IVU is the renal parenchyma best seen? | within 1 minute after injection |
where is the CR centered for a nephrotomogram? | midway between xiphoid process and iliac crest |
which position, taken during an IVU, places the left kidney parallel to the IR? | RPO |
how much obliquity is required for the LPO/RPO projections taken during an IVU? | 30 degrees |
which position best demonstrates possible nephroptosis ( also called floating kidney or renal ptosis, abnormal condition in which the kidney drops down into the pelvis when the patient stands up.) | erect |
which CR angle is used for the AP projection taken during a cystogram? | 10 to 15 degrees caudad |
The concave medial border of the kidney where the blood vessels and ureter exit is called the | helim |
Which of the following serve(s) as a reservoir to store urine? | urinary bladder |
How long is the urethra in the female? | 2 inches |
What is the central-ray angle for the AP oblique projections of the urinary system? | 0 degrees |
Where do the ureters lie in relation to the peritoneum? | Behind the peritoneum |
The vessels most often used for venipuncture are found on the: | anterior forearm and posterior hand |
cystoscopy | the visual examination of the urinary bladder using a cystoscope |
The concentration of iodine in ionic contrast media is | 50 to 70% |