UT Online High School Chemistry A Final Exam Thorough Review, Complete Solution
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Chemistry A
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UT Online High School Chemistry A Final Exam Thorough Review, Complete Solution
Accuracy
how close a measurement is to the true value
dependent variable
changes in response to the independent variable (what you measure in an experiment and what's affected during the experiment)
Hypothesis
a p...
ut online high school chemistry a final exam thoro
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EMT Final Exam with all the correct answers(Actual test
graded A+)
833 - Your 36 y/o pt is unresponsive upon attempting to insert an OPA, the patient
gags, You should
A. Insert a nasal airway
B. Suction the oropharynx
C. Reattempt using a smaller oral adjunct
D. Insert a dual lumen airway
A. Insert a nasal airway
903 - After air passes through the vocal cords during inhalation, which structure
does it reach next?
A. Trachea
B. Epiglottis
C. Alveolus
D. Bronchus
A. Trachea
906 - You are ventilating an apneic asthmatic pt with a BVM. The patient has
inadequate chest rise. You should
A. Decrease the rate of ventilations to 10/min
B. Use an O2 powered ventilation device
C. Increase the forcefulness of ventilations
D. Increase the rate of ventilations to 20/min
A. Decrease the rate of ventilations to 10/min
909 - A 72 y/o female pt is unresponsive following an ejection from a MVC, she
has an open jaw fracture and a dialated right pupil. What is the best way to open
this pt's airway
A. Insert an OPA
B. Perform a modified head tilt chin lift
C. Insert a NPA
D. Perform jaw thrust
C. Insert a NPA
910 - A 4-Year-old female tracheostomy pt has pulled out her tracheostomy tube.
The opening is partially obstructed with skin. You should
A. Use a soft tip catheter and suction until clear
B. Insert a nasal airway into stoma
C. Wipe the area clean and perform mouth to stoma ventilation
D. Cut the skin away from the stoma
A. Use a soft tip catheter and suction until clear
908 - You are using a BVM and an OPA on an apneic pt. Suddenly it becomes
difficult to ventilate. You should first suspect that
A. The patients diaphragm has contracted
B. The pt has an airway obstruction
C. The Pt is becoming more responsive
D. The pt's lungs have collapsed
,B. The pt has an airway obstruction
946 - A 60-year-old pt with stoma is apneic. You have been suctioning pink frothy
sputum for 10 seconds and you continue to get more material. You should
A. continue suctioning and have a partner ventilate through the pt's mouth
B. suction until airway is clear
C. stop suctioning and give a breath
D. use a saline solution to moisten secretions and continue suctioning
C. stop suctioning and give a breath
947 - victim of smoke inhalation has developed difficulty breathing. He does not
like the smell of the mask you are using to deliver O2. You should
A. Switch to a NC set to deliver O2 @ 6 LPM
B. Restrain the pt and continue administering O2 via NRB
C. Explain that the mask is very important and continue its use
D. Administer blow-by O2 via Simple mask
C. Explain that the mask is very important and continue its use
948 - An unresponsive 82 y/o pt is lying supine. Their airway is most likely to be
obstructed by
A. loose dentures
B. Secretions
C. The tongue
D. Swelling of the epiglottis
C. The tongue
949 - You are inserting an OPA into a 4 y/o pt you should
A. Use a tongue depressor to keep tongue out of the way
B. Use a head tilt chin lift
C. Insert the tip pointing toward the roof of the mouth
D. Use an airway that measures one size too small and rotate
A. Use a tongue depressor to keep tongue out of the way
951 - Initial assessment reveals an alert adult pt who is SOB. He is seated in a
tripod position using accessory muscles to breathe. Vital signs are BP 140/80 P
110, R 22 with crackles, SpO2 95%. You should
A. Administer O2 via NRB
B. Ventilate the pt with a BVM to slow respirations
C. Administer O2 via NC
D. Monitor pulse oximetry
A. Administer O2 via NRB
952 When suctioning a patient, you should
A. Suction on the way in for no more than 5 seconds
B. Suction on the way out for no more than 15 seconds
C. Suction on the way in for no more than 15 seconds
D. Suction on the way out for no more than 5 seconds
B. Suction on the way out for no more than 15 seconds
1139 - Which of the following is the most appropriate way to measure for an
OPA?
A. From the patient's earlobe to angle of the jaw
B. From the center of pt's mouth to earlobe
,C. From the corner of the pt's mouth to the earlobe
D. From the tip of pt's nose to earlobe
C. From the corner of the pt's mouth to the earlobe
1141 - How should you ventilate an apneic adult pt?
A. Perform mouth to mask ventilation 12 breath per minute
B. Ventilate with a flow restricted PPV at 12-20 breaths per minute
C. Ventilate once every 5-6 seconds with a bag valve mask
D. Ventilate once every 3 seconds with a BVM
C. Ventilate once every 5-6 seconds with a bag valve mask
1142 - Your pt was involved in a MVC he is unresponsive and you hear snoring
respirations when he breathes. You should perform a
A. Head tilt neck lift with c-spine stabilization
B. Jaw thrust with c-spine stabilization
C. Tongue jaw lift with c-spine stabilization
D. Head tilt lift with c-spine stabilization
B. Jaw thrust with c-spine stabilization
1145 - A 67-year-old female is short of breath and sitting in a tripod position. She
is on home oxygen and has had a productive cough over the last few days.
During your exam, you note that she is wheezing and breathing with pursed lips.
SPO2 is 93%. You should suspect
A. Anaphylactic reaction
B. Obstructive pulmonary disease
C. AMI
D. Pulmonary embolism
B. Obstructive pulmonary disease
1338 - Which of the following indicates the correct flow range and delivery
percentage for NC?
A. 1-6 LPM / 44%
B. 10-15 LPM / 95%
C. 2-8 LPM / 28%
D. 2-4 LPM / 35%
A. 1-6 LPM / 44%
1348 - Allowing for appropriate exhalation when assisting ventilations can
reduce/alleviate
A. The amount of air required to ventilate
B. Secretions when suctioning the pt's airway
C. Airway obstructions
D. Gastric distention-
D. Gastric distention
1350 - Which of the following is TRUE about the insertion of an OPA?
A. If properly inserted the OPA will keep the tongue out of the airway
B. The OPA should be inserted until the flange rests below the patient's teeth
C. The OPA is always rotated 360 degrees as it is inserted
D. The OPA is measured between the patient earlobe and nose
A. If properly inserted the OPA will keep the tongue out of the airway
, 1351 - Which of the following statements regarding suctioning of an adult is
TRUE?
A. You should start ventilations if suction cannot clear the airway
B. You should only suction for a max of 30 seconds
C. You should insert the suction catheter only as far as you can visualize
D. You should remove the suction catheter with the suction machine turned off
C. You should insert the suction catheter only as far as you can visualize
1352. You are called to an elderly male who is having trouble breathing.
Respirations are at a rate of 24 and labored and the pt is cyanotic. Your pt is
conscious but unable to speak in full sentences. Enroute to the hospital your pt
goes into respiratory arrest. You should.
A. use a pocket mask and begin chest compressions
B. Assist ventilations with BVM and room air.
C. Assist ventilations with BVM and 100% O2
D. Start oxygen at 15 LPM via NRB
C. Assist ventilations with BVM and 100% O2
1353 - What are two manual methods of opening a patient's airway?
A. Head tilt-chin lift and NPA
B. Head tilt chin lift and OPA
C. Jaw thrust and finger sweep
D. Head tilt and jaw thrust
D. Head tilt and jaw thrust
1358 - What is the amount of air moved with one normal breath called?
A. Dead air space
B. Minute volume
C. Alveolar air
D. Tidal volume
D. Tidal volume
1360 - What does pulse oximetry measure?
A. Percent of carbon dioxide in the cells
B. Percent of tissue that is saturated with oxygen
C. The amount of plasma that is saturated
D. The amount of hemoglobin that is saturated usually with oxygen.
D. The amount of hemoglobin that is saturated usually with oxygen.
1804 - When opening the airway of an unconscious pt found lying in bed you
should
A. Place one hand on the forehead with fingertips of the other hand pinching the
nose
B. Place one hand on the forehead with the other hand on the angle of the jaw
C. Place the right hand on the base of the neck and left hand under the angle of
the jaw and tip head backward
D. Place both hands at base of neck and tip head backward to fully extend the
neck.
B. Place one hand on the forehead with the other hand on the angle of the jaw
1807 - Your pt is pale and seems anxious but is speaking in full sentences. You
should administer O2 using a
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