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.Management Sciences
Category: Respiratory System
Oxygen affinity is increased by all except_________________?
A. Alkalosis
B. Hypoxia
C. Increased HbF
D. Hypothermia
Which of the following adaptations will be apt to increase the work capacity at high altitude_________________?
A. Increased workload, decreasing duration of exercise
B. Increased workload, increasing duration of exercise
C. Decreasing workload, increasing duration of exercise
D. Decreasing workload, decreasing duration of exercise
Carotid body function in an organ work as_______________?
A. Differential pressure of oxygen in arterial blood
B. Differential pressure of oxygen in venous blood
C. Differential pressure of oxygen in in tissue fluids
D. Differential pressure of oxygen in in hemoglobin synthesis
Limitation of inspiration by vagal lung inflation signals is called the______________?
A. Autonomic reflex
B. Bainbridge reflex
C. Herring – Breur reflex
D. Dynamic stretch reflex
The volume of gas in the lungs at the end of normal expiration is____________?
A. Expiratory reserve volume
B. Functional residual capacity
C. Residual volume
D. Inspiratory reserve volume
Carbon monoxide poisoning causes_______________?
A. Hypoxic hypoxia
B. Oxygen dissociation curve shifts to left
C. Cyanosis
D. Diffusion capacity of lungs decreases
Muscle of expiration____________?
A. Diaphragm
B. Internal intercostals
C. External intercostals
D. Rcti Abdominis
Vital capacity is a measure of________________?
A. Tidal volume
B. Inspiratory reserve volume plus expiratory volume
C. Tidal volume plus inspiratory reserve volume plus expiratory reserve volume
D. Expiratory reserve volume plus reserve volume
Oxygen as an emergency drug is contraindicated in______________?
A. Anaphylaxis
B. Asthma
C. Hyperventilation
D. COPD
At high altitudes the following changes takes place except_______________?
A. Increase in respiratory rate
B. Increases in depth of respiration
C. Increase in oxygen carrying capacity of blood
D. Increase in partial pressure of CO2
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