Prepare for Army AFNS and civilian nursing admissions in one place. Choose a pathway or browse all questions. Each pathway includes common preparation. These are original practice questions, not verified official past papers.
Biology · Question 791
What is the difference between respiration and breathing?
They are identical processes
Breathing is mechanical while respiration involves both mechanical and biochemical processes
Respiration occurs in plants while breathing occurs in animals
Respiration is mechanical while breathing is biochemical
Show AnswerHide Answer
Correct answer: B
Breathing is mechanical while respiration involves both mechanical and biochemical processes
Breathing is mechanical while respiration involves both mechanical and biochemical processes is the answer marked in the supplied practice source.
Biology · Question 792
How is speech produced?
By vibrations of vocal cords and movements of lips, cheeks, and tongue
By vibration of vocal cords only
By movement of tongue only
By air movement through trachea
Show AnswerHide Answer
Correct answer: A
By vibrations of vocal cords and movements of lips, cheeks, and tongue
By vibrations of vocal cords and movements of lips, cheeks, and tongue is the answer marked in the supplied practice source.
Biology · Question 793
What is the function of mucus secreted by trachea and bronchi?
To exchange gases
To trap dust and bacteria
To pump air
To produce sound
Show AnswerHide Answer
Correct answer: B
To trap dust and bacteria
To trap dust and bacteria is the answer marked in the supplied practice source.
Biology · Question 794
What is the function of cilia in trachea and bronchi?
To vibrate and produce sound
To exchange gases
To produce mucus
To move mucus upward
Show AnswerHide Answer
Correct answer: D
To move mucus upward
To move mucus upward is the answer marked in the supplied practice source.
Biology · Question 795
Are breathing movements voluntary or involuntary?
Only voluntary during sleep
Completely voluntary
Mostly involuntary but can be controlled temporarily
Completely involuntary
Show AnswerHide Answer
Correct answer: C
Mostly involuntary but can be controlled temporarily
Mostly involuntary but can be controlled temporarily is the answer marked in the supplied practice source.
Biology · Question 796
Why is the percentage of respiratory disorders higher in Pakistan?
Because of cold climate
Due to genetic factors
Due to air pollution concentration
Because of high altitude
Show AnswerHide Answer
Correct answer: C
Due to air pollution concentration
Due to air pollution concentration is the answer marked in the supplied practice source.
Biology · Question 797
What was the death rate of pneumonia before antibiotics?
33%
10%
25%
50%
Show AnswerHide Answer
Correct answer: A
33%
33% is the answer marked in the supplied practice source.
Biology · Question 798
What is the death rate of lung cancer?
500,000 annually
1 million annually
800,000 annually
1.3 million annually
Show AnswerHide Answer
Correct answer: D
1.3 million annually
1.3 million annually is the answer marked in the supplied practice source.
Biology · Question 799
What happens to lungs when a person stops smoking?
No change occurs
Lungs deteriorate further
Gradual repair and contaminant removal
Immediate complete recovery
Show AnswerHide Answer
Correct answer: C
Gradual repair and contaminant removal
Gradual repair and contaminant removal is the answer marked in the supplied practice source.
Biology · Question 800
What is nicotine?
A powerful poison
A lung stimulant
A vitamin
A respiratory enzyme
Show AnswerHide Answer
Correct answer: A
A powerful poison
A powerful poison is the answer marked in the supplied practice source.