Biology - Mock Test 95

Question 941

Opening to the trachea is covered by a small flap of tissues termed as the ______

A) Glottis B) Trachea C) Epiglottis D) Larynx

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Question 942

The respiratory membrane, through which gas must diffuse, consists of the followings EXCEPT?

A) Alveolar cells and endothelial cells of the capillary B) Lymphatic vessel basement membrane C) Epithelial basement membrane D) Capillary basement membrane

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Question 943

Which one of the following statements is NOT correct about primary bronchi?

A) The trachea splits into the primary bronchi B) Primary bronchi supply air to the right and left lungs C) These are lined with stratified squamous epithelium D) Supporting cartilage of primary bronchi is plate-like shaped

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Question 944

The kind of tissue that forms the supportive structure in our Pinna (external ears) is also found in ?

A) Tip of the nose B) Vertebrae C) Nails D) Ear ossicles

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Question 945

Which one of the following is NOT correct?

A) The nasal cavity warms and humidifies the air before it enters the lungs. B) The right lung is composed of three lobes, but the left lung has only two lobes C) Lung volumes and vital capacity measure lung function. D) The visceral pleura is in direct contact with the chest wall.

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Question 946

Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as ?

A) 70% carbaminohemoglobin and 30% as bicarbonate B) Carbaminohemoglobin in RBCs C) Bicarbonate in blood plasma and RBCs D) Free CO2 in blood plasma

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Question 947

What protects the moist membranes of the respiratory tract?

A) Mucus and cilia B) A 'c' shaped cartilage rings C) A pebbly epidermal surface D) An acidic glands

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Question 948

The amount of air a person takes in during normal, restful breathing is called the ______

A) Dead space B) Tidal volume C) Vital capacity D) Ventilation rate

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Question 949

Amount of air in the lungs that remains after deep breathing is called ______

A) Dead space B) Residual volume C) Vital capacity D) Ventilation rate

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Question 950

Asthma is due to ?

A) Elasticity of lungs is reduced B) Degradation of alveolar wall C) Bronchioles constrict due to muscle spasms D) Damage in diaphragm

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