A&P II Straighterline Final Exam |Questions and Correct Answers Graded A+ | Latest 2024
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A & P 1 Straighterline
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A & P 1 Straighterline
A&P II Straighterline Final Exam |Questions and Correct Answers Graded A+ | Latest 2024
A&P II Straighterline Final Exam |Questions and Correct Answers Graded A+ | Latest 2024
A&P II Straighterline Final Exam |Questions and Correct Answers Graded A+ | Latest 2024
A&P II Straighterline Final Exam |
Questions and Correct Answers Graded
A+ | Latest 2024
Which of the following functions is associated with the nose?
A. Systemic respiration
B. Producing mucus to trap debris from the air
C. Warming inhaled air
D. Initiating the cough reflex
E. Both "Warming inhaled air" and "Producing mucus to trap debris from
the air" are correct. - Correct Answer -Both "Warming inhaled air" and
"Producing mucus to trap debris from the air" are correct.
During exercise, the oxygen-hemoglobin dissociation curve
A. Shifts to the right.
B. Shifts to the left.
C. Doesn't shift. - Correct Answer -Shifts to the right
Which law explains that an increase in volume causes a decrease in
pressure?
A. Charle's law
B. Boyle's law
C. Dalton's law
D. Henry's law - Correct Answer -Boyle's law
When CO2 levels in the blood increase, the
,A. pH of the blood increases.
B. Number of hydrogen ions in the blood decreases.
C. Blood becomes more alkaline.
D. Blood becomes more acidic.
E. Condition is called hypocapnia. - Correct Answer -Blood becomes more
acidic.
With a respiratory rate of 12 breaths per minute and a tidal volume of 500
mL, what would the minute ventilation be?
A. 6 liters per minute
B. 500 mL per minute
C. 60 liters per minute
D. 600 mL per minute
E. 41.6 mL per minute - Correct Answer -6 liters per minute
Carbon dioxide is more soluble in water than is oxygen. Which gas has the
higher rate of diffusion?
A. Carbon dioxide
B. Both will have the same rate of diffusion.
C. Oxygen - Correct Answer -Carbon dioxide
The lungs have
A. Two blood flow routes and one lymphatic supply.
B. Two blood flow routes and two lymphatic supplies.
C. One blood flow route and two lymphatic supplies.
D. Three blood flow routes and one lymphatic supply.
,E. One blood flow route and one lymphatic supply. - Correct Answer -Two
blood flow routes and two lymphatic supplies.
The serous membranes that surround the lungs are called the ________
membranes.
A. Synovial
B. Pleural
C. Peritoneal
D. Mucous
E. Pulmonary - Correct Answer -Pleural
One of the functions of the respiratory system is to alter the levels of
carbon dioxide in the blood; thus regulating _________.
A. Blood glucose levels
B. O2 levels
C. Blood volume
D. Blood pH
E. Blood pressure - Correct Answer -Blood pH
Normally, the partial pressure of oxygen gas is higher in the _________.
A. Venous blood
B. Blood of the pulmonary capillaries
C. Alveoli
D. Bronchioles - Correct Answer -Alveoli
Surfactant facilitates alveolar ventilation by
, A. Attracting water to the alveolar surface.
B. Decreasing the surface tension between water molecules on the lining of
the alveoli.
C. Increasing the surface tension between fluid and the alveoli.
D. Increasing the surface area for gas exchange.
E. Decreasing thoracic compliance. - Correct Answer -Decreasing the
surface tension between water molecules on the lining of the alveoli.
Which of the following events in the chloride shift occurs last?
A. Carbon dioxide diffuses into a red blood cell.
B. Carbonic acid dissociates to form bicarbonate and H+
C. CO2 and H2O —> H2CO3
D. Carbonic acid dissociates to form water and CO2.
E. Bicarbonate ions diffuse into the plasma. - Correct Answer -
Bicarbonate ions diffuse into the plasma.
Which of the following is NOT a factor that influences the rate of gas
diffusion through the respiratory membrane?
A. The diffusion coefficient of the gases
B. The thickness of the respiratory membrane
C. The surface area of the membrane
D. The partial pressure gradient of the gases
E. The temperature of the gases - Correct Answer -The temperature of the
gases
During exercise, ventilation initially increases due to
A. Decreased blood pH levels, stimulating baroreceptors.
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