The term used to denote the difference in volume between the total lung capacity and the vital capacity is
tidal volume
ventilation rate
residual volume
all of these
Correct Answer :
C. residual volume
Related Questions
The process of breathing-in of oxygen rich air from outside is called
expiration
inspiration
respiration
oxidation
The opening into the wind pipe or trachea is called
larynx
epiglottis
glottis
bronchi
The term used to denote the difference in volume between the total lung capacity and the vital capacity is
tidal volume
ventilation rate
residual volume
all of these
Tissue respiration is a process by which
carbohydrates are synthesised
proteins are broken down
fat molecules are metabolised
energy is liberated
The capacity of lungs for air in a healthy man is about
500 ml
1000 ml
2000 ml
3000 ml
The vibrations of which of these membranes produces vocal sounds?
Glottis
Vocal cords
Vocal sacs
Epiglottis
To take air into the lungs, the diaphragmmust be
dome shaped
oblique
flattened
normal
In a man at rest the body's cells consume approximately
5000 ml of oxygen per day
5000 ml of oxygen per hour
500 ml of oxygen per hour
200 ml of oxygen per minute
Oxygen will diffuse through a membrane only if it is
moist
immersed in water
very thin
vascular
The respiratory tubes devoid of car-tilagenous rings are
trachea
bronchi
bronchioles
none of these
Ciliated epithelium in the trachea of mammals helps in
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
The iron containing haemoglobin pigment is a
protein
polysaccharide
enzyme
none of these
The greatest volume of air that can be expired after a maximum inspiratory affect, is its
residual volume
tidal volume
vital capacity
lung volume
Emphysema is a respiratory disease in which
the larynx is closed
the trachea gets narrowed
the gas exchange area of lungs is increased
the gas exchange area of lungs is decreased
Colour of oxyhaemoglobin is
dull red
bluish red
bright red
dull brown
Which of the following can respire in total absence of air (anoxyliosis)?
Amoeba
Bed bug
Hydra
Tapeworm
Pulmonary artery
returns highly oxygenated blood to the left heart for distribution throughout the body
returns highly oxygenated blood to right heart for distribution throughout the body.
delivers blood to lungs low in oxygen
delivers highly oxygenated blood in lungs
The regulatory centre for respiration is situated in the
cerebral cortex
hypothalamus
medulla oblongata
procencephalon
The oxygen content of expired air in man is
3 per cent
25 per cent
16 per cent
20 per cent
The "mountain sickness" in persons climbing to high attitudes without the aid of oxygen cylinders is due to
lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia
The maximum volume of inspirable air is called
vital capacity
residual volume
inspiratory capacity
any of these
The rate of respiration is lowest at
sleeping
running
eating food
playing
In response to high altitude hypoxia supply of oxygen to the tissue is maintained by
increased alveolar ventilation and increased cardiac output
shift in the haemoglobin dissociation curve to the right
increased erythrocytes and haemoglobin content of blood
all of these
A normal man respires in a minute
25-30 times
10-15 times
14-18 times
20-25 times
The respiratory disease immediately related to cigarette smoking is
hypercapnia
pulmonary edema
hypoxia
emphysema
The membrane covering the lungs is
conjunctiva
pleura
meninges
peritoneum
The metal associated with haemoglobin is
Copper
Magnesium
Iron
Manganese
Internal respiration refers to
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
Anoxia means
absence of oxygen
diminished amount of oxygen delivered to the tissues
both (a) and (b)
none of these
Oxygen is transported to every cell of the body through
RBC
WBC
Both (a) and (b)
RBC and hormones