THE CIRCULATORY SYSTEM
1) Name the following :
a) The liquid part of blood.
b) Tissue type to which blood belongs.
c) The mammalian blod cell lacking nucleus and mitochondria.
d) Increase in the number of eosinophils in blood.
e) Clotting within an intact blood vessel.
f) The instrument that detects the functioning of heart by the graphical record.
g) The fluid which excludes when blood clot.
h) The process by which WBCs engulf and ingest bacteria.
i) A vitamin required for clotting of blood.
j) The respiratory pigment contained in RBCs.
k) Any two organelles absent in mature RBCs.
2) Give the numerical values of the undermined sentences.
a) Average lifespan of RBCs is
b) Range of RBCs per cubic mm in a normal adult human female is.
c) Range of RBCs in an adult human male is
d) Approximate percentage of water in plasma is
e) Number of WBCs in adult human is
f) Neutrophils constitute about____ percent of total WBCs
g) There are about___ platelets per cubic mm of blood in an adult.
h) pH of blood is ____
3) Mention the function of each of the undermined structure:
For example
White blood cells -- phagot
On a similar pattern, Fill in the blanks in the following cases to represent relationship between structures and their special functional activities.
a) Blood Platelets
b) Neutrophil
c) Erythr
d) Pulmonary vein
e) Pericardium
f) Aorta
g) Lymphocytes
h) The spleen
4) Fill in the blanks
a) ____ is blood plasma from which fibrinogen, the blood clotting protein has been removed.
b) fibrinogen, the blood clotting agent can be removed by ____
c) An increase in the number of WBCs in the blood is called____ and decrease in the number of WBCs is called ____.
d) Blood cells are manufactured in____ from ____.
e) Oxygen combines with Haemoglobin present in RBC to produce _____.
f) Fibrinogen is converted into fibrin by____.
g) Arteries carry blood from ____ to ____.
h) Lymph contains ____ but takes ____ and ____
i) Number of heartbeats in an adult person is____.
5) Choose the correct options:
i) White blood cells engulf bacteria in a process called
a) Diapedesis
b) phagocytosis
c) Active transport
d) passive transport
ii) Which blood vessels carry blood from lungs to heart ?
a) Pulmonary veins
b) coronary arteries
c) coronary veins
d) pulmonary arteriea
iii) pH range of blood is
a) 2.3- 4.5 b) 8.9-9.5 c) 7.3-7.45 d) 0-1
iv) In adult human, RBC has
a) No nucleus
b) double nuclei
c) bilobed nucleus
d) multinuclei
v) In persons living at high altitudes, RBCs are
a) more in number
b) less in number
c) same in number
d) destroyed suddenly
vi) neutrophils engulf microbes by:
a) phagocytosis
b) endocytosis
c) exocytosis
d) pinocytosis
vii) Heptic portal vein, transport blood from :
a) stomach and intestine into liver
b) Liver to heart
c) Heart to liver
d) intestine to liver
viii) In man, systolic and diastolic pressure are about:
a) 120mm of Hg and 80 mm of Hg.
b) 80mm of Hg and 120 mm of Hg.
c) 120mm of Hg and 120 mm of Hg.
d) 80mm of Hg and 40 mm of Hg.
6) Match the column
Column A
a) Tricuspid valve
b) Bicuspid valve
c) Semilunar valves
d) SA node
e) Pulmonary artery
Column B
i) Carry deoxygenated blood for oxygenation
ii) conduct impulses
iii) guards the opening between right auricle and right ventricle
iv) guards the opening between left auricle and left ventricle
v) prevent back flow of blood from aorta.
7) Match the column
Column A
a) The liquid coming out of blood during clotting
b) relaxation of heart
c) contraction of heart
d) the muscle that never becomes fatigue
e) hardening of arteries
Column B
i) cardiac muscles
ii) diastole
iii) Systolic
iv) Arteriosclerosis
v) serum
8) Define the following:
a) Lymph nodes
b) Portal system
c) diostol
d) Diapedesis
e) pericardium
f) Rh factor
9) Complete the following Table by filling the blanks:
organs name of an artery or vein way of transportation
a) heart pilluminary vein _____
b) ____ pulmonary artery heart to lung
c) ____ renal artery _____
d) kidney ____. Kidney to posterior vena cava
e) Liver hepatic portal vein. _____
f) ____ hepatic artery ______
10) Why do the oxygenated and deoxygenated blood not mix up in the human heart ?
11) When are the sounds LUBB and DUBB produced during the heartbeat ?
12) Why does the left ventricle has ahicker wall than the right ventricle ?
13) What do you mean by the double circulation of blood ?
14) Why is the systolic pressure higher than the diastolic pressure?
15) What is systematic circulation ?
16) Differentiate between blood and lymph on the basis of the following characteristics:
a) colour
b) location
c) composition
d) platelets
e) flow
17) Give the reasons for the following:
a) Only veins and not the arteries are provided with valves .
b) The arteries are deep seated in the body.
18) Why does the blood not clot inside the body ?
19) Give a schematic representation of the process of blood clotting
20) what are the function of the blood ?
21) why is it necessary to know the blood groups before transfusion.
22) What is hemophilia
23) Name any lymph gland present in the human body. Write its function.
24) Define pulse. What is the pulse rate of a normal human adult ?
25) Enumerate any four difference between white blood cells and red blood cells .
26) What is the function of blood plasma ?
27) What are the function of hepatic artery ?
28) The figure given below represents the section of the human heart.
a) Name the parts number 1 to 8.
b) Which structures help in maintaining the direction of the flow of blood ?
c) To which organ/s does the blood vessels (labelled 3) carry blood?
d) What is the main difference in the quality of blood containing in part 6 and 7.
29) The following simplified diagram refers to the outline plan of circulation of blood in a mammal. Study the diagram and write the name of the blood vessels according to the given number.
a) Several hours after a meal containing a lot of protein, which vessel will contain highest concentration of Urea ?
b) Which vessel would contain the highest concentration of the amino acid and glucose soon after meal ?
c) Which vessel begin and ends in capillaries ?
e) Which vessel will contain the smallest number of red blood cells per unit volume of blood ?
30) The diagram below shows part of the capillary bed in an organ of the mammalian body. Some of the blood arriving at the capillaries at points labelled A moves out into the spaces between the tissue cells. Study the diagram and answer the questions that follow:
a) When the liquid from the blood is surrounding the cells, what is it called ?
b) Name any one important components of the blood which remains inside the capillaries and fails to move out into the spaces .
c) Some of the liquid surrounding the cells does not pass directly back into the blood but eventually reaches it by another route through vessel X. Name the fluid present in vessel X.
31) The diagram below represents a certain category of blood vessels showing the role of special structure in their walls :
a) Name the kind of blood vessels shown
b) Name the structure shown inside the blood vessels .
c) What is the role of these structures?
d) Towards which side of the figure (top or bottom) is the heart located ?
32) The figure given below are cross sections of blood vessels:
a) identify the blood vessel A, B, C.
b) Name the party level 1-4.
c) Mention two structural differences between A and B.
d) Name the type of blood that flows (a) through A and (b) through B.
e) In which of the above vessels referred in(iv) does exchange of gases actually take place ?
33) The diagram below represents circulation in the human body, Answer the questions that follow:
a) Name the blood vessel labelled 1, 3, 6 and 7.
b) Name the blood vessel that supplies blood to the walls of the heart with oxygen.
c) Draw a neat labelled diagram, of the blood vessel numbered 2 as seen in a cross section.
d) Mention one structural difference between blood vessels numbered 4 and 5
No comments:
Post a Comment