I need mcqs on Respiratory system...
Answers
Answer:
Here are the MCQs
Opening to the trachea is covered by a small flap of tissues termed as the ______.
A
Glottis
B
Trachea
C
Epiglottis
D
Larynx
Question 2
The exchange of gases between inhaled air and blood is referred as ______.
A
Cellular respiration
B
External respiration
C
Internal respiration
D
Circulatory respiration
Question 3
The maximum volume of air contained in the lung by a full forced inhalation is called
A
Vital capacity
B
Tidal volume
C
Total lung capacity
D
Inspiratory capacity
Question 4
Aerobic respiratory pathway is also termed as ______ pathway.
A
Anabolic
B
Catabolic
C
Creatine phosphate
D
Amphibolic
Question 5
The maximum volume of air that can be released from the lungs by forceful expiration after deepest inspiration is called the ______.
A
Total lung capacity
B
Vital capacity
C
Tidal volume
D
Ventilation rate
Question 6
Which one is the cofactor of carbonic anhydrase?
A
Cu
B
Zn
C
Fe
D
Mg
Question 7
The trachea divides into two smaller tubes called ______.
A
Bronchi
B
Trachea
C
Microtrachea
D
Eustachian tubes
Question 8
Listed below are four respiratory capacities (a - d) and four jumbled respiratory volumes of a normal human adult
Respiratory capacities
Respiratory volumes
(a) Residual volume
2500 mL
(b) Vital capacity
3500 mL
(c) Inspiratory reserve volume
1200 mL
(d) Inspiratory capacity
4500 mL
Which one of the following is the correct matching of two capacities and volumes?
A
(a) 4500 mL, (b) 3500 mL
B
(b) 2500 mL, (c) 4500 mL
C
(c) 1200 mL, (d) 2500 mL
D
(d) 3500 mL, (a) 1200 mL
Question 9
Inner surface of the bronchi, bronchioles and fallopian tubes are lined by
A
Cubical epithelium
B
Columnar epithelium
C
Squamous epithelium
D
Ciliated epithelium
Question 10
Which one of the following statement is NOT correct regarding trachea?
A
It usually lies posterior to the muscular esophagus.
B
It splits into the right and left bronchi to supply air to the lungs
C
Opening to the trachea is covered by epiglottis.
D
Tracheal rings are C-shaped
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Answer:
1. Gas exchange takes place in the
a. pharynx.
b. larynx.
c. alveoli.
d. trachea.
2. The area between the lungs is known as the
a. thoracic cage.
b. mediastinum.
c. pleura.
d. hilum.
3. Involuntary breathing is controlled by
a. the pulmonary arterioles.
b. the bronchioles.
c. the alveolar capillary network.
d. neurons located in the medulla and pons.
4. The sternal angle is also known as the
a. suprasternal notch.
b. xiphoid process.
c. scapula.
d. angle of Louis.
5. Soft and low-pitched breath sounds normally heard over most of both lungs are
a. bronchovesicular.
b. bronchial.
c. tracheal.
d. vesicular.
6. High-pitched breath sounds are best heard by using
a. the diaphragm of the stethoscope.
b. the bell of the stethoscope.
c. both the bell and the diaphragm of the stethoscope.
d. a stethoscope with tubing at least 20" (50 cm) in length.
7. Louder, clearer voice sounds during auscultation of the lungs are called
a. adventitious sounds.
b. egophony.
c. bronchophony.
d. fremitus.
8. Which continuous breath sounds are relatively high pitched with a hissing or shrill quality?
a. coarse crackles
b. rhonchi
c. wheezes
d. fine crackles
9. Normal breath sounds heard over most of both lungs are described as being
a. loud.
b. intermediate.
c. very loud.
d. soft.
10. Bronchial breath sounds are normally heard
a. over most of both lungs.
b. between the scapulae.
c. over the manubrium.
d. over the trachea in the neck.
11. Which is correct about vesicular breath sounds?
a. Inspiratory sounds last longer than expiratory ones.
b. Inspiratory and expiratory sounds are about equal.
c. Expiratory sounds last longer than inspiratory ones.
d. Inspiratory and expiratory sounds are indistinguishable.
12. Which percussion note would you hear over the airless area in atelectasis?
a. dull
b. resonant
c. flat
d. hyperresonant
13. Although the exact cause is unknown, pulmonary fibrosis has most commonly been associated with
a. asthma.
b. cigarette smoking.
c. prolonged shallow breathing.
d. immobility.
14. Wheezes most commonly suggest
a. secretions in large airways.
b. abnormal lung tissue.
c. airless lung areas.
d. narrowed airways.
15. Which of the following indicates a partial obstruction of the larynx or trachea and demands immediate attention?
a. rhonchi
c. pleural rub
b. stridor
d. mediastinal crunch
16. Which of the following would you expect to find over the involved area in a patient with lobar pneumonia?
a. vesicular breath sounds
b. egophony
c. decreased tactile fremitus
d. muffled and indistinct transmitted voice sounds
17. Findings in a patient with pneumothorax include
a. a dull percussion note.
b. decreased to absent breath sounds.
c. increased tactile fremitus.
d. late inspiratory crackles.