Topic Exam 3 (Ch 9 + 10)

Question 1

you are dispatched to a residence for a 40 year old female who fainted. upon your arrival the patient is conscious and alert and states she is fine. you offer oxygen to the patient but she refuses to accept it. at this point your primary concern should be to

Answer 1

determine if she was injured when she fainted

Question 2

with anaphylactic shock each subsequent exposure following sensitization often…

Answer 2

produces a more severe reaction

Question 3

shock is the result of

Answer 3

hypo-perfusion to the cells of the body

Question 4

which of the following would most likely result in hemmorhagic shock

a. severe vomiting
b. liver laceration
c. excessive sweating
d. repeated diarrhea

Answer 4

b. liver laceration

Question 5

the NPA is most beneficial because it can maintain a patent airway in a _____ with a _____

Answer 5

semiconscious patient with a gag reflex

Question 6

when the body senses a state of hypo-perfusion the SNS releases ____ which results in tachychardia

Answer 6

epinephrine

Question 7

in infants and children a CRT that is greater than ____ is a sign of poor peripheral perfusion

Answer 7

2 seconds

Question 8

which of the following clinical signs is unique to anaphylactic shock

a. pallor
b. dizziness
c. wheezing
d. hypotension

Answer 8

c. wheezing

Question 9

the process of exchanging oxygen and CO2 between the alveoli and the blood of the capillaries is called

Answer 9

external respiration

Question 10

leaf shaped structure superior to the larynx

Answer 10

epiglottis

Question 11

in which of the following patients would the head tilt-chin lift maneuver be the MOST appropriate method of opening the airway

a. a 24 year old male who is found unconscious at the base of a tree
b. a 37 year old female who is found unconscious in her bed
c. a 45 year old male who is semiconscious after falling 20 feet
d. a 50 year old male who is unconscious following head trauma

Answer 11

b. a 37 year old female who is found unconscious in her bed

Question 12

____ is caused with a failure of the nervous system causing widespread vasodilation

Answer 12

neurogenic shock

Question 13

you are ventilating a patient with a stoma, however air is escaping from the mouth and nose. to prevent this you should

Answer 13

seal the mouth and nose

Question 14

which of the following statements regarding normal gas exchange in the lungs is correct

a. the oxygen content in the alveoli is highest during the exhalation phase
b. oxygen and CO2 diffuse across the alveolar and cellular walls via the capillaries
c. the actual exchange of oxygen and CO2 occurs in the capillaries
d. blood that returns to the lungs from the body has a low CO2 content

Answer 14

b. oxygen and CO2 diffuse across the alveolar and cellular walls via the capillaries

Question 15

_____ occurs when there is widespread dilation of the blood vessels causing blood to pool in the vascular beds

Answer 15

distributive shock

Question 16

______ is the most reliable indicator of adequately performed bag mask ventilations in an apneic adult with a pulse

Answer 16

adequate rise of the chest when squeezing the bag

Question 17

the actual exchange of oxygen and CO2 occurs in the

Answer 17

alveolar sacs

Question 18

tidal volume is defined as the volume of air that

Answer 18

moves into or out of the lungs in a single breath

Question 19

hypoxic drive is influenced by

Answer 19

low blood oxygen levels

Question 20

the pressure of gas in a full cylinder of oxygen is approximately ___ pounds per square inch

Answer 20

2000

Question 21

which of the following patients is breathing adequately:

a. a conscious male with respirations of 19 BPM and pink skin
b. a conscious female with facial cyanosis and rapid, shallow, respirations
c. a conscious male with respirations of 18 breaths/min and reduced tidal volume
d. an unconscious 52 year old female with snoring respirations and cool, pale skin

Answer 21

a. a conscious male with respirations of 19 BPM and pink skin

Question 22

you have inserted an oral airway and are ventilating an apneic woman with a BVM. she suddenly begins regurgitating large amounts of vomit. you should

Answer 22

roll her onto her side and remove the oral airway

Question 23

the physical act of moving air into and out of the lungs is called

Answer 23

ventilation

Question 24

hypovolemic shock caused by severe burns is the result of a loss of

Answer 24

plasma

Question 25

____ may be the last measurable factor to change in shock

Answer 25

BP

Question 26

a 27 year old male was stabbed in the chest during a disagreement at a poker game. as you approach him, you see that a knife is impaled in his chest. before you make physical contact with the patient (besides ensuring scene safety) you should

Answer 26

follow standard precautions

Question 27

a 25 year old unrestrained female struck the steering wheel with her chest when her car hit a tree while traveling at a high rate of speed. she has signs and symptoms of shock, which you suspect are the result of intra-thoracic bleeding. what is her greatest chance for survival

Answer 27

rapid transport to a trauma center

Question 28

hypoxia is

Answer 28

inadequate oxygen to the tissues and cells

Question 29

which of the following would most likely cause obstructive shock

a. liver laceration
b. cardiac tamponade
c. simple pneumothorax
d. spinal cord injury

Answer 29

b. cardiac tamponade

Question 30

as the single EMT managing an apneic patient’s airway, the preferred method of ventilations is

Answer 30

mouth to mask with a one way valv