Question

In: Biology

Q35) True or False?    Common sites of metastasis of    breast cancer include the bones,...

Q35) True or False?
   Common sites of metastasis of
   breast cancer include the bones,
   lymph nodes, lungs, liver, brain
       a) True     b) False



Q36) Pulmonary Embolism:-
a) Is a killer if not treated fast and
    properly
b) Is due to obstruction of one
    or more arteries by a
    thrombus or thrombi
c) Seriously implicated in its  
   causation are Deep Vein
   Thrombosis(DVT); Amniotic Fluid;
    and certain major surgeries, for
    for example, hip surgeries;
     lipid deposits
d)Could lead to sudden onset
    of cyanosis, shock and death
e) All the above are correct



Q37) Nephrotic syndrome is
         characterized by:-
a) Proteinuria   b) Edema
c) Hypoalbuminemia
d) All of the above



Q38)The medical term for Stroke is
       a)Pulmonary embolism
       b)Cardiac tamponade
       c)Cardiovascular accident (CVA)
       d)Deep vein thrombosis (DVT)



Q39)B - cells (of white blood cells):-
a) Are processed by the Thymus
b)Originate from the bone marrow
c)Once released into the blood,
      remain in the blood
d) Are responsible for cell -
      mediated immunity
e) All of the above are correct



Q40) Macrophages:-
a) Are large, phagocytic cells
     that outlive neutrophils
b) Develop from mast cells
c)Often die after a single
    phagocytic event
d)Have same function as eosinophils
e) All the above are correct


Solutions

Expert Solution

35) TRUE
although breast cancer can metastasize to any part of the body however it primarily metastasizes to the bone (the most common site), lungs, regional lymph nodes, liver as well as brain.


36E. ALL OF THE ABOVE ARE CORRECT
Primary embolism occurs when a blood clot or other foreign matter like tumour blocks an artery of pulmonary circulation. the clot is commonly starts in arm or leg known as Deep vein thrombus, from where it travels towards the lungs. other causes of embolism, result from embolus formed from fat droplets, amniotic fluid.
massive embolism leads to sudden onset of cyanosis, shock and death.

37.D) All of the above

nephrotic syndrome causes damage to the kidneys thus too much protein is released into the urine (proteinuria. it is also characterised by hypoalbuminemia (low levels of albumin in the blood) and edema (swelling of ankles, foot and around the eyes).

Q38 C) CARDIOVASCULAR ACCIDENT.

stroke occurs when blood flow to the part of the brain is stopped and is medically termed as cardiovascular accident (CVA). Cardiac tamponade is a condition in which blood gets filled in the space between sacs that encase heart and the muscles of the heart. DVT is a condition in which clot is formed in the vein located deep within the body.


Q 39B)Originate in the bone marrow.

both b and T cells originate from the hematopoietic stem cells of the bone marrow, T cells mature in the thymus gland while the B cells mature in the bone marrow or in the lymph node. B cells are responsible for humoral immunity while the T cells are responsible for cell mediated immunity.

Q40. A) are large phagocytic cells that outlive neutrophils.

Macrophages are the phagocytic cells that arise from white blood cells called as macrophages and live for months, patrolling our body. Eosinophils destroys invading germs and create an inflammatory response. Mast cells release histamine that promotes inflammation.


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