Respiratory system QMP Flashcards
Which of the following is NOT a typical respiratory system change observed as the result of ageing?
increased ciliary activity of epithelial calls lining upper respiratory system
decreased blood oxygen levels
aveoli become less elastic
chest wall becomes more ridgid
decreased actvity of aveolar macrophages
increased ciliary activity of epithelial calls lining upper respiratory system
Which of the following passageways are directly connected to the laryngopharynx?
larynx
oropharynx
esophagus
only larynx and esophagus
All of these choices are correct
All of these choices are correct
Deep laboured inhalations involve contraction of all the following muscles EXCEPT the
external intercostals
sternocleiodmastoid
scalene muscles
diaphragm
internal intercostals
internal intercostals
Dyspnoea is related to:
Feeling of suffocation
Difficulty in swallowing
Abnormal rapid breathing
Pain in the throat
Feeling of suffocation
What is the correct definition of dyspnoea?
A respiratory rate of 10 respirations or less
Slow heart rate
Difficulty in breathing
A complete absence of breathing
Difficulty breathing while laying flat
Difficulty in breathing
Which one of the following affects the release of oxygen from the hemoglobin?
acidity
temperature
partial pressure of oxygen
carbon dioxide in the tissue
All of the choices are correct
All of the choices are correct
The total lung capacity equals
IRV + ERV + RV + MV
TV + IRV
TV + IRV +ERV + RV
TV + ERV + RV
FRC + ERV + RV
TV + IRV +ERV + RV
What is hypoxia?
High O2 levels in the blood
Reduction of oxygen delivery to tissues
High C02 levels in the blood
High HC03 levels in the blood
Reduction of oxygen delivery to tissues
The palatine tonsils are found in the
oropharynx
nasal cavity
larynx
nasopharynx
laryngopharynx
oropharynx
Oxygen and carbon dioxide are exchanged in the lungs and through cell membranes by
active transport
filtration
osmosis
cotransport with calcium
diffusion
diffusion
The breathing rate is controlled by the respiratory centre that consists of a group of neurons located in the
cerebrum
midbrain and hypothalamus
cerebellum
medulla obongata and pons
cerebellum and cerebrum
medulla obongata and pons
What will initiate cough reflex?
Drugs
Stress
Atelectasis
Inhaled particles, foreign bodies
Inhaled particles, foreign bodies
What causes pulmonary embolism?
Cystic fibrosis
Lipids, tissue fragments, thrombus
Atelectasis
Tuberculosis
Lipids, tissue fragments, thrombus
Deep laboured inhilations involve contraction of all the following muscles EXCEPT the
diaphragm
scalene muscles
sternocleidomastoid
external intercostals
internal intercostals
internal intercostals
Which of the following is NOT found on the right lobe of lung?
pleural membrane
oblique fissure
horizontal fissure
cardiac notch
middle lobe
cardiac notch