Physio Practice Test 2
Physio practice test 2
- 1.Transection of the brainstem below the medulla
- A.
A. results in apneustic breathing
- B.
B. stops respiration
- C.
C. does not affect automatic respiration
- D.
D. causes irregular respiration
- 2.Work of breathing is mostly due to
- A.
A. surface tension elasticity
- B.
B. tissue elasticity
- C.
C. viscous resistance
- D.
D. airway resistance
- 3.Lung diffusion capacity is measured by
- A.
A. carbon-dioxide
- B.
B. carbon-monoxide
- C.
C. Nitrous oxide
- D.
D. Oxygen
- 4.‘Pacemaker’ for automatic rhythmic respiration is
- A.
A) nucleus parabrachialis lateralis
- B.
B) Pre-Botzinger nucleus
- C.
C) Pneumotaxic centre
- D.
D) Apneustic centre
- 5.One of the following is true (in the upright position)
- A.
A. Ventilation is maximum at the top
- B.
B. Perfusion is minimum at the base
- C.
C. Ventilation /perfusion ratio is minimum at the base
- D.
D. Intrapleural pressure is maximum at the top
- 6.Specific compliance is
- A.
A. C/FRC
- B.
B. C/IRV
- C.
C. IRV/C
- D.
D. C/TLC
- 7.. The VA/Q ratio at the base of the lungs is
- A.
A. 3
- B.
B. 0.8
- C.
C. 0.6
- D.
D. 1.2
- 8.Diffusion defect hypoxia is a type of --------- hypoxia
- A.
A. histotoxic
- B.
B. anaemic
- C.
C. hypoxic
- D.
D. stagnant
- 9.The normal ratio of physiological to anatomical dead space is
- A.
A) 1 : 2
- B.
B) 2 : 1
- C.
C) 1 : 1
- D.
D) 1 : 0.5
- 10.Carbon-dioxide is mostly carried as
- A.
A) carbamino compound
- B.
B) carboxy hemoglobin
- C.
C) dissolved gas in the plasma
- D.
D) bicarbonate in plasma
Questions: 10 | Attempts: 127 | Last updated: Oct 20, 2018
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