Test 33/34

Question 1

Stages of nuclear blast

Answer 1

1. Blinding light flash
2. Fireball or thermal pulse
3. Blast itself, in which atmosphere expands
4. Electromagnetic pulse
5. Fallout (majority in first 24-48 hours)

Question 2

3 clinical ranges of radiation exposure

Answer 2

1. Subclinical
2. Clinical-sublethal
3. Lethal

Question 3

Nausea and vomiting at what time frame in radiation if lethal dose

Answer 3

Less than 1 hour

Question 4

Perimortem C section incision

Answer 4

Pubis to umbilicus
Can extend to xiphoid if needed

Question 5

Tx for eviscerated bowl

Answer 5

Cover with sterile saline soaked dressing and cover with dry occlusive dressing
do not attempt to clean or put back in

Question 6

Most likely devices to not accommodate bariatric patients

Answer 6

Immobilization devices and traction splints

Question 7

ETCO2 in asthmatic that is concerning? What does it suggest

Answer 7

Normal or above normal - sign of respiratory failure

Question 8

HF acid binds to what

Answer 8

Intracellular calcium and magnesium

Question 9

HF acid lab abnormalities

Answer 9

Hypocalcemia
Hypomagnesemia
Hyperkalemia

Question 10

Huber needle is needed to access what

Answer 10

Chemo port

Question 11

Quarantine after anthrax exposure?

Answer 11

Not needed - human to human transmission is rare

Question 12

Minimum flow for jet ventilation

Answer 12

50 lpm

Question 13

Where should tip of IABP be on CXR

Answer 13

2nd and 3rd intercostal spaces
Placed 1-2 cm distal to beginning of subclavian artery

Question 14

What to do when lots of bystanders around causing problem

Answer 14

Call law

Question 15

Standard equipment for what procedure doesn’t work in bariatric patients

Answer 15

Needle decompression

Question 16

Class A bioterrorism agents

Answer 16

Anthrax
Botulism
Yersinia pestos
Smallpox
Tularemia
Viral hemhorragic fevers (flavor virus, ebola, Marburg)

Question 17

Leading causes of death in LVAD patients

Answer 17

1. Heart failure
2. Infection
3. Stroke
4. Device malfunction (rare)

Question 18

Decontamination for gas or vapor exposure

Answer 18

Removal from site should be sufficient

Question 19

4 forms of botulism

Answer 19

Foodborne
Wound
Intestinal
Inhalation

Question 20

Transport position for umbilical cord prolapse

Answer 20

Knee to chest position or in steep trendelenburg position to aid in reducing pressure on the cord

Question 21

SARS transmission

Answer 21

Initially large drops and later by indirect contact

Question 22

Avoid Nitro for 48 hours with what drug

Answer 22

Tadalafil

Question 23

Why is tap water less preferred for eye irrigation

Answer 23

It may force corrosive substances into the cornea and worsen outcomes due to its relative hypotonicity to the eye itself

Question 24

Why is Sodium Nitrite contraindicated when there is CN and CO poisoning

Answer 24

Induces methemoglobinemia, further reducing oxygen carrying capacity

Question 25

Most infectious forms of body fluid

Answer 25

CSF
Synovial fluid
Pleural fluid
Pericardial fluid
Amniotic fluid
Blood

Question 26

Risk factors for umbilical cord prolapse

Answer 26

1. Abnormal presentation of the fetus
2. Lack of prenatal care
3. Twins (2nd born twin)
4. Gestational diabetes

Question 27

More likely to cause respiratory depression: IN vs PR midazolam

Answer 27

PR

Question 28

Diphenhydramines MOA

Answer 28

H1 antagonist
No effect on histamine release

Question 29

Longest peak effect of prehospital sedatives

Answer 29

Lorazepam (60-90 minutes)

Question 30

Guidelines for activities in radioactive zones based on radiation level

Answer 30

5 rem - all activities
10 rem - protect major property, save lives, protect large populations
25 rem - only saving lives/protecting large populations

Question 31

First line treatment in pregnant patient with V-tach and pulse

Answer 31

1. Lidocaine
2. Procainamide