338839
The lateral and lower side of thoracic chamber is bounded by ____ respectively
1 Ribs, diaphragm
2 Vertebral column, ribs
3 Diaphragm, ribs
4 Ribs, sternum
Explanation:
The thoracic chamber is formed dorsally by vertebral column, ventrally by the sternum, laterally by the ribs and on the lower side of the dome-shaped diaphragm
BIOXI17: BREATHING AND EXCHANGE OF GASES
338840
A person suffers from punctures in his chest cavity in an accident, without any damage to the lungs. Its effect could be
1 Reduce breathing rate
2 No change in breathing rate
3 Cessation of breathing
4 First increases then reduced breathing rate
Explanation:
Punctures in chest cavity causes collapse of lungs resulting in apnoea (cessation of breathing). Breathing occurs due to negative intrapleural prssure created by use of respiratory muscles.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338841
Which of the following is an incorrect statement w.r.t lungs?
1 They are thin vascularized, irregular walled bag-like structures.
2 They provide high surface area for gaseous exchange.
3 They are lined with simple columnar epithelium
4 There are 300-350 million alveoli in each lung.
Explanation:
The cells lining alveoli of lungs are simple squamous epithelial cells.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338842
Cartilaginous rings in trachea are incomplete at which surface?
1 Dorsal
2 Ventral
3 Lateral
4 Ventrolateral
Explanation:
Trachea contains16-20 C-shaped rings of hyaline cartilage are present which are incomplete at the dorsal surface.
338839
The lateral and lower side of thoracic chamber is bounded by ____ respectively
1 Ribs, diaphragm
2 Vertebral column, ribs
3 Diaphragm, ribs
4 Ribs, sternum
Explanation:
The thoracic chamber is formed dorsally by vertebral column, ventrally by the sternum, laterally by the ribs and on the lower side of the dome-shaped diaphragm
BIOXI17: BREATHING AND EXCHANGE OF GASES
338840
A person suffers from punctures in his chest cavity in an accident, without any damage to the lungs. Its effect could be
1 Reduce breathing rate
2 No change in breathing rate
3 Cessation of breathing
4 First increases then reduced breathing rate
Explanation:
Punctures in chest cavity causes collapse of lungs resulting in apnoea (cessation of breathing). Breathing occurs due to negative intrapleural prssure created by use of respiratory muscles.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338841
Which of the following is an incorrect statement w.r.t lungs?
1 They are thin vascularized, irregular walled bag-like structures.
2 They provide high surface area for gaseous exchange.
3 They are lined with simple columnar epithelium
4 There are 300-350 million alveoli in each lung.
Explanation:
The cells lining alveoli of lungs are simple squamous epithelial cells.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338842
Cartilaginous rings in trachea are incomplete at which surface?
1 Dorsal
2 Ventral
3 Lateral
4 Ventrolateral
Explanation:
Trachea contains16-20 C-shaped rings of hyaline cartilage are present which are incomplete at the dorsal surface.
338839
The lateral and lower side of thoracic chamber is bounded by ____ respectively
1 Ribs, diaphragm
2 Vertebral column, ribs
3 Diaphragm, ribs
4 Ribs, sternum
Explanation:
The thoracic chamber is formed dorsally by vertebral column, ventrally by the sternum, laterally by the ribs and on the lower side of the dome-shaped diaphragm
BIOXI17: BREATHING AND EXCHANGE OF GASES
338840
A person suffers from punctures in his chest cavity in an accident, without any damage to the lungs. Its effect could be
1 Reduce breathing rate
2 No change in breathing rate
3 Cessation of breathing
4 First increases then reduced breathing rate
Explanation:
Punctures in chest cavity causes collapse of lungs resulting in apnoea (cessation of breathing). Breathing occurs due to negative intrapleural prssure created by use of respiratory muscles.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338841
Which of the following is an incorrect statement w.r.t lungs?
1 They are thin vascularized, irregular walled bag-like structures.
2 They provide high surface area for gaseous exchange.
3 They are lined with simple columnar epithelium
4 There are 300-350 million alveoli in each lung.
Explanation:
The cells lining alveoli of lungs are simple squamous epithelial cells.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338842
Cartilaginous rings in trachea are incomplete at which surface?
1 Dorsal
2 Ventral
3 Lateral
4 Ventrolateral
Explanation:
Trachea contains16-20 C-shaped rings of hyaline cartilage are present which are incomplete at the dorsal surface.
338839
The lateral and lower side of thoracic chamber is bounded by ____ respectively
1 Ribs, diaphragm
2 Vertebral column, ribs
3 Diaphragm, ribs
4 Ribs, sternum
Explanation:
The thoracic chamber is formed dorsally by vertebral column, ventrally by the sternum, laterally by the ribs and on the lower side of the dome-shaped diaphragm
BIOXI17: BREATHING AND EXCHANGE OF GASES
338840
A person suffers from punctures in his chest cavity in an accident, without any damage to the lungs. Its effect could be
1 Reduce breathing rate
2 No change in breathing rate
3 Cessation of breathing
4 First increases then reduced breathing rate
Explanation:
Punctures in chest cavity causes collapse of lungs resulting in apnoea (cessation of breathing). Breathing occurs due to negative intrapleural prssure created by use of respiratory muscles.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338841
Which of the following is an incorrect statement w.r.t lungs?
1 They are thin vascularized, irregular walled bag-like structures.
2 They provide high surface area for gaseous exchange.
3 They are lined with simple columnar epithelium
4 There are 300-350 million alveoli in each lung.
Explanation:
The cells lining alveoli of lungs are simple squamous epithelial cells.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338842
Cartilaginous rings in trachea are incomplete at which surface?
1 Dorsal
2 Ventral
3 Lateral
4 Ventrolateral
Explanation:
Trachea contains16-20 C-shaped rings of hyaline cartilage are present which are incomplete at the dorsal surface.
