10@10 respiratory Physiology

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1 point

Which of the following is NOT an effector of respiration?

Heart

diaphragm

intercostals

trapezius

1 point

If the blood moved slower than normal through the alveolar capillaries, which of the following would have an increased uptake?

Carbon dioxide.

Carbon monoxide.

oxygen

nitrogen

1 point

Which of the following organs of the Lower Respiratory Track is involved in gas exchange

Larynx

Trachea

Bronchioles

Alveolar sacs

1 point

Dead Space during Ventilation normally is about

15 ml

150ml

1500ml

2000ml

1 point

Type II pneumocytes produce Surfactant [dipalmityl lecithin]

only during 24 weeks of gestation

only after birth so the new born can breath

begins at 24 weeks of gestation for life

only as a lubricant in amniotic fluid for 35 weeks.

1 point

In the Gas Law, PV = nRT, P = Pressure and T = Temp. In physiology experiments in metabolism, what values would be used for this calculation ?

T = Celsius Temperature and P = Atmospheric Pressure at sea level

T = Absolute Temperature and P = Atmospheric Pressure at sea level

T = Absolute Temperature and P = Atmospheric Pressure as measured by a barometer at the time of the experiment

T = absolute temp . p = Pressure at 100 m above sea level

1 point

Which of the following is NOT a function of the lungs?

Metabolism

Serves as a reservoir of blood for the left ventricle.

It is a filter to protect the systemic vasculature

none

1 point

Rate of Exchange of gas between blood & alveolar air is based on

Blood Pressure

Partial pressure differences of gases

Humidity of the air

Pollution

1 point

Which of the following spirometry measurements has the greatest sensitivity for detecting early air flow obstruction?

FVC

FEV1

FEE

FEF25-75

10.

1 point

Which of the following could NOT be part of an acinus?

alveolar sacs

Alveolar ducts

Terminal bronchioles

Respiratory bronchiole

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