RESPIRATORY QUIZ

1. The exchange of gases between blood and cell is called

a. Pulmonary ventilation
b. Internal respiration
c. External respiration
d. Cellular respiration
2. The nose saves all the following function EXCEPT:
a. As the initiator of the cough reflex
b. Warming and humidifying the air
c. Cleaning of the air
d. As a passageway for air moment
3. Surface tension if the alveolar fluid is reduced by the presence of
a. Mucus
b. Sebum
c. Surfactant
d. Water
4. When the diaphragm and the external intercostal muscles contract which of the following
action does not occur?
a. Air moves into the lungs
b. The interpleural pressure increase
c. The diaphragm moves inferiorly
d. The intrapulmonary pressure
5. When we inhale
a. Alveolar pressure decreases and intrapleural pressure increase
b. Both alveolar pressure and intrapleural pressure increase
c. Both alveolar pressure and intrapleural pressure increase
d. Alveolar pressure increases and intrapleural pressure decrease
6. Which of the body system listed below caproate to apply O2 to cells and aluminum CO2?
a. Digestive system
b. Cardiovascular system
c. Urinary system
d. Respiratory system
e. Endocrine system
7. In the lungs
a. Pco2 in the alveoli is the same as that in the capillaries
b. Po2 in the alveoli is the same as that in the capillaries
c. Pco2 in the alveoli is higher than that in the capillaries
d. Pco2 in the alveoli is lower than that in the capillaries
8. As blood enter the systemic capillaries
a. Po2 in the blood is the same as Pco2 in the tissue
b. Po2 in the blood is higher than that in the tissue
c. Po2 in the blood is lower than that in that tissue
d. Po2 in the blood is the same as that in the tissue
9. During swallowing the glottis is covered by
a. False vocal card
b. True vocal card
c. Epiglottis
d. Addams apple
10. Which of the following describes a correct order if structure in the respiratory passageway?
 a. Pharynx, trachea larynx, bronchi, bronchiole
b. Larynx, pharynx, trachea, bronchioles, bronchi
c. Trachea, pharynx, larynx, bronchi, bronchiole
d. Pharynx, larynx, trachea, bronchi, bronchial
11. The primary chemical stimulus for breathing is the concentration of
a. Corban monoxide in the blood
b. Carbon dioxide in the blood
c. Oxygen in the blood
d. Carbonic acid in the blood
12. During internal and external respiration gases move by
a. Osmosis
b. Active transport
c. Diffusion
d. Endocytosis
13. Most oxygen in the blood is transported
a. As gas dissolved in plasma
b. As ox hemoglobin
c. As carboxyhemoglobin
d. As bicarbonate
14. Which one of the following statements is incorrect?
a. Tuberculosis is caused by a rod shape bacterium mycobacterium tuberculosis
b. Tuberculosis is highly infectious and can be spread by auburn droplets
c. Tuberculosis can’t be treated antibiotics
d. Is pulmonary tuberculum the elasticity of lungs is produced
15. The figure is given below show small part if human lungs where exchange if gases take
place.in which one of the options given below the one-part A, B, C or D is correctly identified
along with its
Function
a. Alveolar cavity - main site exchange of respiratory gases
b. Red blood cell - transported of co mainly
c. Arterial capillaries - passes oxygen to tissue
d. capillaries wall – exchange of O and CO take place here
16. In which part of the respiratory system gaseous exchange taken place?
a. Alveoli
b. Pharynx
c. Larynx
d. Trachea
17. Which of the following gas in releases out during the process of respiration?
a. Oxygen
b. Hydrogen
c. Carbon dioxide
d. None of the above
18. Which of the following statement is false about the trachea?
a. Has C-shaped rings
b. It is covered by epiglottis
c. It splits into the right and left lungs
d. None of the above
19. The maximum volume of air contained in the lungs by full forced inhalation is called
a. Tidal volume
b. Vital capacity
 c. Ventilation rate
d. Total lungs capacity
20. Which of the following is the function if the trachea?
a. Gaseous exchange
b. Filter the air we breath
c. Exhales the air from the body
d. All the above
21. Which one of the following organs function as an air conditioner?
a. Larynx
b. Pharynx
c. Nasal chambers
d. All of the above
22. A central cavity of the kidney where urine is collected after…..
a. Ureter
b. Pelvis
c. Urethra
d. Urinary bladder
23. Aldosterone play role in
a. Transport of water
b. Transport of Kc ion into kidney
c. ….
d. ….
24. The muscles that control urine in bladder are known as.
a. Smooth muscles
b. ……
c. ……
d. ……
25. Reabsorption of water by counter current multiplier mechanisms take place at
a. Prosomal tubule
b. Distal tubule
c. Collecting duct
d. Loop of Henle
26. Antidiuretic hormones help in reabsorption of water by changing permeability of:
a. Proximal tubule
b. Colleting tubule
c. Collecting duct
d. Loop of Henle
27. Aldosterone help in conservation or active absorption of
a. Distal tubule
b. Potassium
c. Calcium
d. …..
28. In nephron most of the reabsorption take place In the
a. Distal tubule
b. Ascending lamb
c. Proximal tubule
d. Descending lamb
29. Blood center the glomerular through
a. Efferent arteriole
b. Renal arteries
 c. Afferent arteriole
d. Renal vein
30. Which portion of nephron is under the control of ADH?
a. Bowman capsule
b. Ascending arm
c. Distal collecting ducts
d. Descending arm
31. Detection of change and signaling for effector response to the control system is
a. Negative feedback
b. Positive feedback
c. Inter coordination
d. Feedback mechanisms
32. What are three components of mechanism of homeostatic regulation
a. Receptor control center and effectors
b. Sensory motor and associative neuron
c. Cerebellum cerebrum and forebrain
d. CNS PNS and nervous system
33. The process through which the body maintain the internal environment from harms of
fluctuation in an external environment is called
a. Behavior of organisms
b. Adaptation
c. Homeostasis
d. Osmoregulation
34. Site of filtration in nephron is
a. Glomerulus and bowman capsules
b. Ascending and descending arm
c. Proximal and distal end
d. Loop of Henle

35. Antidiuretic hormones in the increase of

a. Salt
b. Amino acids
c. Water
d. Ammonia
36. Active uptake ___________in the ascending of limb or loop of Henle is promoted
+
a. C
b. C
++
c. Ca
d. Na+

37. Active pumping of Na+ occur it which part of nephron?

a. Proximal tubule
b. Ascending loop of Henle
c. Descending loop of Henle
d. Collecting duct
38. Which one of the following is the main nitrogenous waste product in human?
a. Urea
b. Ammonia
 c. Salt
d. Uric Acid
39. Which one of the following is responsible for the production concentrated urine?
a. Juxtamedullary, Nephron
b. Proximal Tubule
c. Cortical Nephron
d. Distal Tubule
40. Reabsorption of useful constituents normally takes place in which one of the following.
a. Proximal Tubule
b. Bowman Capsule
c. Distal Tubule
d. Glomerulus
41. Which of the following parts excretory system in human acts as countercurrents multipher?
a. Kidney
b. Medulla
c. Cortex
d. Loop of Henle
42. Anti-Diuretic Harmonic (ADH is released from.
a. Anterior Pituitary Lube
b. Hypothalamus
c. Posterior Pituitary Lube
d. Thalamus
43. During muscle contraction
a. All bound shortens
b. Myosin filaments shorten
c. Actin filaments shorten
d. Z-Line Disappear
44. Muscles is made of up many cells which are referred to as:
a. Myofilament
b. Myofibrils
c. Sarcolemma
d. Muscles fiber
45. The pigment which store oxygen in muscles as:
a. Hemoglobin
b. Myoglobin
c. Myosin
d. Actinomycin
46. The length of myofibril from one Z-band to the next is known as:
a. Sarcomere
b. Sarcolemma
c. Sarcoplasm
d. Muscles fiber

47. Calcium ion released during a muscle’s fiber contraction attached with:
a. Myosin
b. Actin
c. Tropomyosin
d. Troponin
48. Each muscles fiber surrounded by membrane called:
a. Sarcomere
 b. Twitch fiber
c. Sarcolemma
d. Capsule
49. When calcium ion is released from the sarcoplasmic reticulum the bond
with_____________during muscles contraction.
a. Tropomyosin
b. Cytosol’s ion
c. Sarcolemma
d. Tropine
50. Where can we find H zone in the figure of fine structure of skeletal muscles myofibril
a. In the mad of A-band
b. In 1- band
c. Besides the Z-line
d. Along the 1-band
51. The length of myofiber from one Z-band in the next described as:
a. Sarcolemma
b. Sarcoplasm
c. Sarcomere
d. Muscles fiber
++
52. The Ca ion released during a muscle’s fiber contraction attached with
a. Myosin
b. Actin
c. Tropomyosin
d. Troponin
53. The repeated protein pattern of myofiber is called
a. Sarcomere
b. Zyomere
c. Sarcolemma
d. Cross bridge
54. When more energy is required in muscles contraction than that energy can also be produce by
________________as a secondary source
a. Glucose
b. Phosphocreatine
c.