Physiology of Animal and Man (AIPVT)
Comprehensive test on respiratory physiology covering human and animal respiratory systems, organs, control mechanisms, and comparative anatomy for AIPVT aspirants.
Questions
Tidal volume (TV) is not considered as an important parameter for the calculation of which of the following?
- Total lung capacity (TLC)
- Vital capacity (VC)
- Inspiratory capacity (IC)
- Functional residual capacity (FRC)
Book lung is a respiratory organ that is composed of many fine lamellae that are situated in the abdomen. It has openings on the underside. It is found in which of the following organisms?
- Crocodile
- Mite
- Crab
- Scorpion
Which of the following respiratory pigments is found in molluscs?
- Hemerythrin
- Haemocyanin
- Chlorocruorin
- Erythrocruorin
Gaseous exchange occurs between air capillaries and blood capillaries in
- amphibians
- birds
- reptiles
- marsupials
Lungfish does not have which of the following organs in its respiratory system?
- Lungs
- Trachea
- Larynx
- Pharynx
Which of the following is true about the nasopharynx?
- It extends to the location where respiratory and digestive pathways bifurcate.
- It lies behind the oral cavity and extends from the uvula to the level of the hyoid bone.
- It extends from the base of the skull to the upper surface of the soft palate.
- It extends from the tip of the nose to the upper surface of the soft palate.
Which of the following cartilages in the larynx allow(s) and aid(s) the movement of vocal cord?
- Cricoid cartilage
- Thyroid cartilage
- Arytenoid cartilages
- Cuneiform cartilages
Epiglottis is an essential part of the respiratory pathway of humans as it opens during breathing and allows air into the larynx. Which of the following organisms is the common infectant of epiglottis?
- Streptococcus pneumoniae
- Klebsiella pneumoniae
- Haemophilus influenzae
- Streptococcus mutans
HAECK organisms are a part of normal oropharyngeal flora. C in HAECK stands for
- Citrobacter freundii
- Cardiobacterium hominis
- Corynaebacterium diptheriae
- Candida albicans
Pleural cavity is required for optimal functioning of the lungs during breathing. Which of the following animals lacks pleural cavity?
- Dog
- Horse
- Elephant
- Rhinoceros
Which of the following is the cartilage plate present at the junction where trachea bifurcates into two bronchi?
- Tracheal cartilage
- Carina of trachea
- Bronchial cartilage
- Ventricular cartilage
Collembola is a small insect. It uses which of the following for breathing?
- Trachea
- Tracheoles
- Skin
- Spiracles
Which of the following is stimulated by the pneumotaxic center?
- Inspiration center
- Expiration center
- Apneustic center
- Rhythmicity center
Which of the following processes does not take place during inhalation?
- Diaphragm moves downwards.
- Ribcage expands.
- Thoracic cavity increases in size.
- The pressure in the pulmonary cavity increases.
Spiracles of insects are surrounded by hairs to
- minimise water loss
- make the air dust free
- direct the air towards spiracles
- give protection to spiracles