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Regulation And Circulation > Respiration And Circulation > Flashcards

Respiration And Circulation Flashcards

1
Q

The muscular structure that separates the thoracic and abdominal cavity is …….

A

Diaphragm

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2
Q

What is the minimum number of plasma membrane that oxygen has to diffuse across to pass from air in the alveolus to haemoglobin inside a R.B.C.?

A

Two

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3
Q

……..is a sound producing organ

A

Larynx

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4
Q

The maximum volume of gas that is inhaled during breathing in addition to T.V. (Tidal Volume) is……….

A

IRV

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5
Q

……….muscles contract when the external intercostals muscles contract.

A

Diaphragm

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6
Q

Movement of cytoplasm in unicellular organisms is called

A

Cyclosis

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7
Q

Which of the following animals do not have closed circulation?

A

Butterfly

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8
Q

Diapedesis is performed by

A

Leucocytes

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9
Q

Pacemaker of heart is

A

SA node

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10
Q

Which of the following is without nucleus?

A

Red blood corpuscle

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11
Q

Cockroach shows what kind of circulatory system?

A

Open

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12
Q

Diapedesis can be seeing in

A

WBC

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13
Q

Opening of inferior vena cava is guarded by

A

Esutachian valve

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14
Q

…… Wave in ECG represent atrial depolarisation.

A

P

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15
Q

The fluid seen in the intercellular spaces in Human is

A

Lymph

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16
Q

The nasal cavity is divided into right and left nasal chambers by a

A

Mesethmoid

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17
Q

The volume of air that remains in the lungs after maximum respiration is …….

A

1100 to 1200 ml

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18
Q

Find out the example in which due to absence of respiratory pigment transport of respiratory gases does not take place…….

A

Cockroach

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19
Q

Which of the following has thickest wall?

A

Left ventricle

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20
Q

The free edges of cuspid valves are attached to the papillary muscles of the heart by fibres are called…..

A

Chordar tendinae

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21
Q

The volume of air inspired or expired during normal breathing is

A

TV

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22
Q

What is the partial pressure of oxygen and carbon dioxide respectively in the atmospheric air?

A

PPO2 104mmHg, PPCO2 40mmHg

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23
Q

The vital capacity of human lung is equal to

A

4600 ml

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24
Q

The exchange of gases between alveolar air and alveolar capillaries occurs by

A

Diffusion

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25
Q

Oxygen dissociation curve will shift to right on the decrease of

A

pH

26
Q

Respiratory organs in scorpion are

A

Book lungs

27
Q

Breakdown of alveoli of lungs resulting in reducing surface area for gas exchange is known as

A

Emphysema

28
Q

During inspiration, the diaphragm

A

Contracts

29
Q

Over inflation of the lungs is prevented due to

A

Hering-Breuer reflex

30
Q

Which of the following prevents collapsing of trachea?

A

Cartilaginous rings

31
Q

Which one of the following produces antibodies?

A

Lymphocytes

32
Q

Plasma protein which initiate blood coagulation is

A

Prothrombin

33
Q

The covering of heart is

A

Pericardium

34
Q

Left atrioventricular aperture is guarded by

A

Bicuspid valve

35
Q

The pulmonary trunk k and systemic aorta are joined by

A

Ligamentum arteriosum

36
Q

Ventricular depolarization is represented by

A

QRS complex

37
Q

…….is most commonly used to feel pulse

A

Radiel artery

38
Q

QRS is related to

A

Ventricular contraction

39
Q

Blood is a fluid connective tissue derived from

A

Mesoderm

40
Q

What is the increase in number of RBCs called?

A

Polycythemia

41
Q

The erythropoeitic tissue in adult is mainly found in

A

Red bone marrow

42
Q

In which of the following diseases there is uncontrolled increase in number of WBCs?

A

Leukemia

43
Q

What is the decrease in the number of WBCS called?

A

Leukopenia

44
Q

Which is the correct arrangement of types of WBCs with respect to their number in blood?
(Consider Neutrophil = N, Eosinophil = E. Basophil = B. Monocyte = M and Lymphocyte = L)

A

NLMEB

45
Q

(45) Which is the correct order in which the proteins participate in clotting of blood?

(a) Prothrombinase → Prothrombin →Thromboplastin → Thrombin

(b) Thromboplastin → Prothrombinase →
Prothrombin → Thrombin

(c) Prothrombin Thromboplastin → Thrombin —>Prothrombinase

(d) Thrombin —›Prothrombin -_—> Thromboplastin—-> Prothrombinase

A

B)Thromboplastin—>Prothrombinase____Prothrombin___Thrombin

46
Q

Decrease in platelet count is called

A

Thrombocytopenia

47
Q

Atrioventricular groove is also called a

A

Coronary sulcus

48
Q

The coronary sinus opens into the

A

Right atrium

49
Q

Name the valve from the following that guards the opening of inferior vena cava.

A

Esutachian valve

50
Q

Name the valve from the following guarding the opening of coronary sinus

A

Thebesian valve

51
Q

What is an oval aperture in the interatrial septum of the foetus called?

A

Foramen ovalis

52
Q

What is the meaning of stroke volume?

A

Amount of blood put out of the ventricles in one beat

53
Q

How much amount of blood is put out of the heart during one minute?

A

Equal to cardiac output

54
Q

What is the time taken for one cardiac cycle of normal human being?

A

0.8 second

55
Q

Deposition of fatty substances in the lining of arteries results in

A

Atherosclerosis

56
Q

Largest number of white blood corpuscles are

A

Neutrophils

57
Q

Which of the following animal have open circulatory system?

A

Cockroach

58
Q

Which of the following leucocytes have unlobed nucleus?

A

Lymphocyte

59
Q

Carbonic anhydrase is found in

A

RBCs

60
Q

The typical Lubb - Dup sounds heard in the heart of a healthy person are due to

A

closing of cuspid valves followed by the closing of the semilunar valves

61
Q

(CO)=SV × HR is the formula used to calculate the volume of blood pumped out per minute. Which of the following is the value of (CO) in a normal adult

A

5040ml./mi

Regulation And Circulation (2 decks)

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