Physiology, Respiratory System Quiz 1

At the end of expiration

Normal quiet expiration is brought about by contraction/recoil of

Major part of energy utilized during breathing is to overcome

The area normally resonant to percussion is

Muscle of quite inspiration

Muscle of forceful inspiration

Negative intra pleural pressure is due to

Which of the following is the bet-known metabolic function of the lung

Almost 70% of work of breathing

If the diameter of alveoli is reduced to half, resistance becomes

Exchange through lungs depends upon

Lung compliance is increased in

Surfactant is released by

Lamellar bodies are found in

Surfactant

Regarding surfactant, which is appropriate

Surfactant production in lungs starts at

Surfactant is composed mainly of

Which of the following will happen in surfactant deficiency

Vital capacity

FRC is

Lung function that can not be measured by spirometry

Residual volume

Vital capacity

Which of the following can be measured by spirometery

Which lung function test is diagnostic of asthma

Normal FEV1 / FVC ratio is

Functional residual capacity is

Tida volume is calculated by

If a person inhales 500 ml of air during each breath with respiratory rate of 10 breath/min. Calculate the alveolar ventilation

After forced expiration residual volume will be

Anatomical dead space

When a branch of pulmonary artery is blocked by embolus, following lung function increases

Ventilation perfusion mismatch in which ventilation > Perfusion is called as

Which one of the following is diffusion limited

Which of the following decreases arterial O2 saturation without decrease arterial O2 tension

Ventilation is very high at

Gas used to measure diffusion in lung is

Ventilation perfusion ratio is maximum at apex of lung due to

Which of the following is higher at the apex of the lung than at the base when a person is standing

20 years old smoker while ascending stairs, had sudden right sided sharp chest pain and breathlessness, most likely cause of breathlessness

Under physiolocial conditions, highest partial pressure of oxygen is observed in

Lungs receive blood at rest in liter per minute

A person having anemia, the systemic arterial blood oxygen content is decrease. What will be its effect on alveolar ventilation

A body, venous O2 saturation is highest in

Airflow obstruction is present when EFV1/VC is less than

Physiological shunt is a condition that can occur in which case

Partial pressure of oxygen in arterial blood depends on

Ventilation perfusion imaging is valuable in

Blood in which of the following vessels has lowest PO2

Co2 increases during first minute of apnoea by

Hypoxemia does not depend on

Which of the following conditions causes a decrease in arterial O2 saturation without a decrease in O2 tension

The most important pulmonary function test in bronchial asthma

In which of the following most likely reduction in arterial oxygen tension occurs

Blood in which of the following vessels normally has lowest Po2

In pulmonary fibrosis all values are low except

In pulmonary artery embolism which will happen

In asthma which is most characteristics finding

Hyperbaric oxygen is most likely used in

Patient ABG showing PCo2=25, PO2=50, PH=7.42,HCO3=11. Most likely cause is

Boy with peripheral cyanosis

Which of the following forms of hypoxemia is not corrected by O2 administration