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FREE AND STUDY GAMES ABOUT CH-22 EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -50 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: POSSIBLE CAUSES OF HYPOXIA INCLUDE
Answer:
TOO LITTLE OXYGEN IN THE ATMOSPHERE
Question 2: RESPIRATORY CONTROL CENTERS ARE LOCATED IN THE
Answer:
MEDULLA AND PONS
Question 3: WHAT IS NOT A STIMULUS FOR BREATHING
Answer:
RISING BLOOD PRESSURE
Question 4: UNLIKE INSPIRATION, EXPIRATION IS A PASSIVE ACT BECAUSE NO MUSCULAR
CONTRACTIONS ARE INVOLVED. EXPIRATION HOWEVER DEPENDS ON TWO FACTORS.
WHAT ARE THE TWO FACTORS
Answer:
THE RECOIL OF ELASTIC FIBERS THAT WERE STRETCHED DURING INSPIRATION AND THE
INWARD PULL OF SURFACE TENSION DUE TO THE FILM OF ALVEOLAR FLUID.
Question 5: WHAT IS A CORRECT STATEMENT ABOUT NEURAL MECHANISMS OF
RESPIRATORY CONTROL
Answer:
THE PONS IS THOUGHT TO BE INSTRUMENTAL IN THE SMOOTH TRANSITION FROM
INSPIRATION TO EXPIRATION
Question 6: NERVE IMPULSES FROM ____ WILL RESULT IN INSPIRATION
Answer:
THE VENTRAL RESPIRATORY GROUP
Question 7: WHAT DOES NOT INFLUENCE THE INCREASE IN VENTILATION THAT OCCURS AS
EXERCISE IS INITIATED.
Answer:
DECREASE IN LACTIC ACID LEVELS
Question 8: FOR GAS EXCHANGE TO BE EFFICIENT THE RESPIRATORY MEMBRANE MUST BE
Answer:
0.5 TO 1 MICROMETER THICK
Question 9: WHAT IS A TRUE STATEMENT REGARDING THE RESPIRATORY RATE OF
NEWBORNS
Answer:
THE RESPIRATORY RATE OF A NEWBORN IS AT ITS HIGHEST RATE APPROXIMATELY 40-80
RESPIRATIONS PER MINUTE
Question 10: WHICH RESPIRATORY ASSOCIATED MUSCLES WOULD CONTRACT IF YOU
WERE TO BLOW UP A BALLOON
Answer:
INTERNAL INTERCOSTALS AND ABDOMINAL MUSCLES WOULD CONTRACT
Question 11: BECAUSE THE LUNGS ARE FILLED WITH FLUID DURING FETAL LIFE WHAT
STATEMENT IS TRUE REGARDING RESPIRATORY EXCHANGE
Answer:
RESPIRATORY EXCHANGES ARE MADE THROUGH THE PLACENTA
Question 12: TIDAL VOLUME IS AIR
Answer:
EXCHANGED DURING NORMAL BREATHING
Question 13: WITH THE BOHR EFFECT MORE OXYGEN IS RELEASED BECAUSE A
Answer:
DECREASE IN PH (ACIDOSIS)WEAKENS THE HEMOGLOBIN OXYGEN BOND
Question 14: WHAT BEST DESCRIBES THE FORCES THAT ACT TO PULL THE LUNGS AWAY
FROM THE THORAX WALL AND THUS COLLAPSE THE LUNGS
Answer:
THE NATURAL TENDANCY FOR LUNGS TO RECOIL AND THE SURFACE TENSION OF THE
ALVEOLAR FLUID
Question 15: WHAT IS NOT FOUND IN THE RIGHT LOBE OF THE LUNG
Answer:
CARDIAC NOTCH
Question 16: IN THE PLASMA THE QUANTITY OF OXYGEN IN SOLUTION IS
Answer:
ONLY ABOUT 1.5% OF THE OXYGEN CARRIED IN DISSOLVED FORM.
Question 17: COMPLETE THE FOLLOWING STATEMENT:
AIR MOVES OUT OF THE LUNGS WHEN THE PRESSURE INSIDE THE LUNGS IS
Answer:
GREATER THAN PRESSURE IN THE ATMOSPHERE
Question 18: THE RESPIRATORY MEMBRANE IS A COMBINATION OF____
Answer:
ALVEOLAR AND CAPILLARY WALLS AND THEIR FUSED BASEMENT MEMBRANES
Question 19: THE AMOUNT OF AIR THAT CAN BE INSPIRED ABOVE THE TIDAL VOLUME IS
CALLED
Answer:
INSPIRATORY RESERVE
Question 20: INTRAPULMONARY PRESSURE IS THE
Answer:
PRESSURE WITHIN THE ALVEOLI OF THE LUNGS
Question 21: THE STATEMENT " IN A MIXTURE OF GASES THE TOTAL PRESSURE IS THE SUM OF THE INDIVIDUAL PARTIAL PRESSURES OF GASES IN THE MIXTURE" PARAPHRASES
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