Patient Care

Question 1

What is the normal platelet count range for an adult?

Answer 1

140k - 440k microliter of blood

Question 2

what is a range of acceptable systolic blood pressure?

Answer 2

95-140 mm Hg

Question 3

What is the normal range for BUN?

Answer 3

5-20 mg/ deciliter

Question 4

What are the normal stages of the cardiac cycle in which atria and ventricles contract?

Answer 4

Atrial and Ventricles systole

Question 5

What lab factor can be used to approximate creatinine clearance?

Answer 5

GFR

Question 6

What wave in the ECG signify the diastole of the heart muscles?

Answer 6

T wave

Question 7

what are the normal range of GFR for women and men?

Answer 7

60 +/- 10 mL/min/m squared for women
70 +/- mL/min/m squared for men

Question 8

what is the normal range for INR?

Answer 8

.8 to 1.2

Question 9

If the pt is taking metformin, what are some patient preps?

Answer 9

they should stop 2 days prior to scan with contrast and refer to the physician prior to resuming metformin

Question 10

what are examples of parenteral routes of contrast administration?

Answer 10

IM, Subcu, intraderm, Intrathecal, and IV

Question 11

What term is used to describe condition of hypotension often leading to cerebral ischemia?

Answer 11

Vasovagal

Question 12

Between ionic and non ionic contrast media, which has lower osmalality?

Answer 12

Nonionic has lower osmolality

Question 13

what medical is used when pt has severe vagal reaction to iodinated contrast material that includes BRADYCARDIA?

Answer 13

Atropine to help increase blood pressure

Question 14

high osmolar contrast material has an average osmolality of…

Answer 14

1000 to 2400 mOsm/kg water

Question 15

What are the signs of vagal reaction to contrast ?

Answer 15

Bradycardic and hypotension

Question 16

maximum dose of iodinated contrast agent should not exceed…

Answer 16

3mg/kg of body weight

Question 17

what percent of all pt suffer from severe reactions to intravenous contrast?

Answer 17

less than 1%

Question 18

what percentage of barium sulfate can be used in CT?

Answer 18

1-3%

Question 19

pump and dumping of breast milk post contrast injection should be done for how long?

Answer 19

12-24 hr

Question 20

what is the half life of contrast in blood plasma ?

Answer 20

2 hrs

Question 21

what are the types of isolations?

Answer 21

drainage-secretion, enteric, acid-fast bacillus, respiratory, contact, and strict

Question 22

what are the stages of infection?

Answer 22

incubation, prodormal, active, convalescence

Question 23

Oral contrast for CT for just Abdomen requires how much time for 300 mL and 150 mL?

Answer 23

300 mL requires 30 minutes
150 mL requires IMMEDIATE scan

Question 24

For CT exam of entire abdomen and pelvis, opacification of the stomach, small bowel, and proximal large bowel is typically required….
for 450mL, 300mL, 150mL

Answer 24

450 mL 60-90 minutes before scan
300 mL 30 minutes before scan
150 mL immediate

Question 25

For studies including distal large bowel, an oral contrast will need to be administered ....

Answer 25

4 to 6 hours before examination

Question 26

how much rectal contrast is required to opacify the rectum, sigmoid, and distal large bowel?

Answer 26

150-300 mL of contrast

Question 27

when is intrathecal injection usually performed?

Answer 27

myelography

Question 28

what is the difference between aseptic technique and sterile technique?

Answer 28

Aseptic technique is used to reduce risk of infection and Sterile technique is usually used to maintain environment that is free of microorganisms during invasive procedures

Question 29

what flow rate is recommended for hand/wrist contrast injection?

Answer 29

1.5mL/sec

Question 30

What is the major disadvantage of the CT power injector?

Answer 30

Extravasation

Question 31

Between LOCM and HOCM, which is likely to produce a contrast reaction?

Answer 31

HOCM

Question 32

What is the maximum dose for contrast media in children?

Answer 32

3mg/kg body weight

Question 33

Is gram-negative an isolation?

Answer 33

no

Question 34

Adverse reaction to contrast that similar to other allergic reactions to food or medicine can be describe as...

Answer 34

allergic like response

Question 35

Adverse reaction that include cardiac arrhythmias, seizure, and pulmonary edema, likely related to the general toxicity of contrast agent can be described as

Answer 35

physiologic response

Question 36

Mild urticaria, mild cutaneous edema, Nasal Stuffiness/sneezing, scratchy/itchy throat describes an allergic like reaction at what level?

Answer 36

Mild

Question 37

Nausea/Vomiting, pronounced sensation of warmth and/or flushing,Sweats/chills, Anxiety, Altered taste, mild hypertension, transient vasovagal reaction describe physiologic response at what level?

Answer 37

mild

Question 38

Moderate to severe urticaria, diffuse erythema, facial edema, tightening throat, hoarse voice, and wheezing are description of allergic reaction at what level?

Answer 38

moderate

Question 39

Moderate to severe nausea and vomiting, vasovagal response requiring treatment, tachycardia from hypotension, chest pain are description of physiologic response at what level?

Answer 39

moderate

Question 40

what are the Tx for moderate adverse reactions to iodinated contrast?

Answer 40

Bronchodilator, Diphenhydramine, and IV fluids for hypotensive patients

Question 41

Facial, laryngeal, pulmonary edema, anaphylactic shock, severe erythema, profound hypotension, severe wheezing and bronchospasm are description of what level of Allergic like reaction?

Answer 41

Severe

Question 42

Cardiac arrhythmia, seizure, severe hypertension, cardiopulmonary arrest, and death are description of what level of Physiologic reaction?

Answer 42

Severe

Question 43

What are some delayed reaction to contrast media?

Answer 43

Urticaria, Pruritus, nausea and vomiting, drowsiness, headache, fever/chills

Question 44

What are some risk factors of CIN?

Answer 44

Diabetes, Myeloma, advanced age, and CVD