Question 1

Adverse effects elicited by ROCM can depend on their:

Accepted Answer

A)  blood/tissue iodine concentration. 
B)  osmolality. 
C)  calcium-chelating ability. 
D)  anticoagulation ability. 
E)  immune system-stimulating ability. 
A)  blood/tissue iodine concentration. 
B)  osmolality. 
C)  calcium-chelating ability. 
D)  anticoagulation ability. 
E)  immune system-stimulating ability. E

Question 2

Finally, Mr. Lewis demonstrates heart failure. If this is a result of intravascular ROCM, it is most therapeutic to administer:

Accepted Answer

A)  furosemide. 
B)  dobutamine. 
C)  albuterol. 
D)  a and b. 
E)  none of the above. 
A)  furosemide. 
B)  dobutamine. 
C)  albuterol. 
D)  a and b. 
E)  none of the above. D

Question 3

For a normal radiograph to reflect the vascular lumen, blood iodine concentration must be within the range of ____ mg/mL.

Accepted Answer

A)  2 to 8 
B)  25 to 180 
C)  280 to 370 
D)  375 to 520 
E)  520 to 780 
A)  2 to 8 
B)  25 to 180 
C)  280 to 370 
D)  375 to 520 
E)  520 to 780 C

Question 4

In patients with decompensated thyrotoxicosis:

Accepted Answer

A)  thyroid storm may occur after administration of iodine-rich ROCM. 
B)  the serum thyroid hormone levels are in excess of normal values. 
C)  the iodine from the ROCM can cause the thyroid to produce amounts of thyroid hormone that exceed tolerant levels. 
D)  a and c. 
E)  all of the above. 
A)  thyroid storm may occur after administration of iodine-rich ROCM. 
B)  the serum thyroid hormone levels are in excess of normal values. 
C)  the iodine from the ROCM can cause the thyroid to produce amounts of thyroid hormone that exceed tolerant levels. 
D)  a and c. 
E)  all of the above.

Question 5

Anaphylaxis:

Accepted Answer

A)  requires formation of an antigen-antibody complex during a first-time exposure to an antigen. 
B)  is a type I hypersensitivity reaction. 
C)  usually occurs when IgE is disabled during sensitization of mast cells during a first exposure. 
D)  a and b. 
E)  all of the above. 
A)  requires formation of an antigen-antibody complex during a first-time exposure to an antigen. 
B)  is a type I hypersensitivity reaction. 
C)  usually occurs when IgE is disabled during sensitization of mast cells during a first exposure. 
D)  a and b. 
E)  all of the above.

Question 6

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM.
-Mr. Lewis receives intravascular administration of ROCM. After a while, you notice that he is experiencing flushing. This is most likely caused by:

Accepted Answer

A)  a short-term increase in extravascular fluid. 
B)  the presence of less fluid outside the vessels and more fluid inside the vessels. 
C)  rapid endothelial swelling. 
D)  a and c. 
E)  b and c. 
A)  a short-term increase in extravascular fluid. 
B)  the presence of less fluid outside the vessels and more fluid inside the vessels. 
C)  rapid endothelial swelling. 
D)  a and c. 
E)  b and c.

Question 7

To achieve a high iodine concentration, ROCM must:

Accepted Answer

A)  be injected intravascularly at a rate equal to blood flow. 
B)  be injected intravascularly at a rate greater than blood flow. 
C)  be injected slowly to limit early dilutional effects of the cardiovascular system. 
D)  a and b. 
E)  b and c. 
A)  be injected intravascularly at a rate equal to blood flow. 
B)  be injected intravascularly at a rate greater than blood flow. 
C)  be injected slowly to limit early dilutional effects of the cardiovascular system. 
D)  a and b. 
E)  b and c.

Question 8

Aspiration of barium sulfate can lead to:

Accepted Answer

A)  barium fecaliths. 
B)  chemically induced appendicitis. 
C)  nodular granulomas of the lymph node. 
D)  a and b. 
E)  all of the above. 
A)  barium fecaliths. 
B)  chemically induced appendicitis. 
C)  nodular granulomas of the lymph node. 
D)  a and b. 
E)  all of the above.

Question 9

Mrs. Brown has pheochromocytoma. What adverse reaction is she particularly at risk of experiencing?

Accepted Answer

A)  ARF 
B)  Hypertensive crisis 
C)  Intractable seizure 
D)  Anaphylaxis 
E)  Thyroid storm 
A)  ARF 
B)  Hypertensive crisis 
C)  Intractable seizure 
D)  Anaphylaxis 
E)  Thyroid storm

Question 10

Mast cells are located:

Accepted Answer

A)  in skin, synovium, and mesentery. 
B)  in bone tissue. 
C)  in the submucosal layers of the rectum and genitourinary tissues. 
D)  a and c. 
E)  all of the above. 
A)  in skin, synovium, and mesentery. 
B)  in bone tissue. 
C)  in the submucosal layers of the rectum and genitourinary tissues. 
D)  a and c. 
E)  all of the above.

Question 11

Patients at risk for acute renal failure (ARF) following IV ROCM include all of the following except those with:

Accepted Answer

A)  preexisting renal compromise. 
B)  diabetes with concomitant renal dysfunction. 
C)  dehydration before ROCM. 
D)  a and b. 
E)  b and c. 
A)  preexisting renal compromise. 
B)  diabetes with concomitant renal dysfunction. 
C)  dehydration before ROCM. 
D)  a and b. 
E)  b and c.

Question 12

Anaphylactoid reactions:

Accepted Answer

A)  are the same thing as anaphylaxis, except that they occur in response to mast cell sensitization after a first exposure to an intravascular ROCM. 
B)  mimic anaphylactic reactions but require no prior exposure to ROCM to sensitize the mast cell. 
C)  are just as lethal as anaphylaxis. 
D)  a and c. 
E)  b and c. 
A)  are the same thing as anaphylaxis, except that they occur in response to mast cell sensitization after a first exposure to an intravascular ROCM. 
B)  mimic anaphylactic reactions but require no prior exposure to ROCM to sensitize the mast cell. 
C)  are just as lethal as anaphylaxis. 
D)  a and c. 
E)  b and c.

Question 13

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM.
-After ROCM administration, Mr. Lewis demonstrates dehydration. This is most likely a result of:

Accepted Answer

A)  cardiovascular dilution of hypoosmolar ROCM, producing an intravascular hyperosmolar state. 
B)  the inability of extravascular-intravascular spaces to undergo osmolar shifts. 
C)  osmotic diuresis due to excretion of ROCM into the urine. 
D)  a and b. 
E)  b and c. 
A)  cardiovascular dilution of hypoosmolar ROCM, producing an intravascular hyperosmolar state. 
B)  the inability of extravascular-intravascular spaces to undergo osmolar shifts. 
C)  osmotic diuresis due to excretion of ROCM into the urine. 
D)  a and b. 
E)  b and c.

Question 14

ROCM that are particularly inclined to form precipitates with other intravenous drugs include:

Accepted Answer

A)  diatrizoate meglumine. 
B)  ioxaglate. 
C)  iohexol. 
D)  a and b. 
E)  all of the above. 
A)  diatrizoate meglumine. 
B)  ioxaglate. 
C)  iohexol. 
D)  a and b. 
E)  all of the above.

Question 15

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM.
-Mr. Lewis receives an intravascular administration of ROCM. A response one might expect to see is:

Accepted Answer

A)  a transient rise in intravascular osmotic pressure. 
B)  fluid from surrounding tissues drawn into the vascular lumen to dilute osmotically active particles. 
C)  equalization of pressure between intravascular and extravascular spaces, causing fluid extraction from RBCs and extravascular space. 
D)  a and b. 
E)  all of the above. 
A)  a transient rise in intravascular osmotic pressure. 
B)  fluid from surrounding tissues drawn into the vascular lumen to dilute osmotically active particles. 
C)  equalization of pressure between intravascular and extravascular spaces, causing fluid extraction from RBCs and extravascular space. 
D)  a and b. 
E)  all of the above.

Adverse effects elicited by ROCM can depend on their:

Finally, Mr. Lewis demonstrates heart failure. If this is a result of intravascular ROCM, it is most therapeutic to administer:

For a normal radiograph to reflect the vascular lumen, blood iodine concentration must be within the range of ____ mg/mL.

In patients with decompensated thyrotoxicosis:

Anaphylaxis:

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM. -Mr. Lewis receives intravascular administration of ROCM. After a while, you notice that he is experiencing flushing. This is most likely caused by:

To achieve a high iodine concentration, ROCM must:

Aspiration of barium sulfate can lead to:

Mrs. Brown has pheochromocytoma. What adverse reaction is she particularly at risk of experiencing?

Mast cells are located:

Patients at risk for acute renal failure (ARF) following IV ROCM include all of the following except those with:

Anaphylactoid reactions:

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM. -After ROCM administration, Mr. Lewis demonstrates dehydration. This is most likely a result of:

ROCM that are particularly inclined to form precipitates with other intravenous drugs include:

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM. -Mr. Lewis receives an intravascular administration of ROCM. A response one might expect to see is:

The Role of the Imaging Professional

Principles of Pharmacology

Biopharmaceutics and Pharmacokinetics

Pharmacodynamics

Drug Classifications

Classification, Chemistry, and Pharmacology of Contrast Agents

Routes of Drug Administration

Infection Prevention and Control

Anxiety, Phobia, and Conscious Sedation

Pharmacology of Emergency Medications

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Exam 7: Pharmacodynamics of Radiopaque Contrast Media

Adverse effects elicited by ROCM can depend on their:

Finally, Mr. Lewis demonstrates heart failure. If this is a result of intravascular ROCM, it is most therapeutic to administer:

For a normal radiograph to reflect the vascular lumen, blood iodine concentration must be within the range of ____ mg/mL.

In patients with decompensated thyrotoxicosis:

Anaphylaxis:

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM. -Mr. Lewis receives intravascular administration of ROCM. After a while, you notice that he is experiencing flushing. This is most likely caused by:

To achieve a high iodine concentration, ROCM must:

Aspiration of barium sulfate can lead to:

Mrs. Brown has pheochromocytoma. What adverse reaction is she particularly at risk of experiencing?

Mast cells are located:

Patients at risk for acute renal failure (ARF) following IV ROCM include all of the following except those with:

Anaphylactoid reactions:

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM. -After ROCM administration, Mr. Lewis demonstrates dehydration. This is most likely a result of:

ROCM that are particularly inclined to form precipitates with other intravenous drugs include:

The following questions create the case of Mr. Lewis, a patient receiving intravascular ROCM. -Mr. Lewis receives an intravascular administration of ROCM. A response one might expect to see is:

The Role of the Imaging Professional

Principles of Pharmacology

Biopharmaceutics and Pharmacokinetics

Pharmacodynamics

Drug Classifications

Classification, Chemistry, and Pharmacology of Contrast Agents

Routes of Drug Administration

Infection Prevention and Control

Anxiety, Phobia, and Conscious Sedation

Pharmacology of Emergency Medications

Filters