Body Fluids and Circulation MCQ Test – 4 16

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MCQs (Multiple Choice Questions) on NEET Body Fluids and Circulation / Cardiovascular System / Circulatory System | Question Paper no. 04

Circulation of Body Fluids: Quiz - 4

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Question 1
Atrioventricular valves are supported by strands of connective tissue called ______.
A
endocardium
B
myocardium
C
chordae tendineae
D
cardiac fibers
Question 2
Which one of the followings refers to blood cancer characterized by uncontrolled proliferation of abnormal/immature white blood cells in the bone marrow?
A
Hypertension
B
Atherosclerosis
C
Leukemia
D
Pulmonary embolism
Question 3
Consider the following statements about biomedical technologies:

(a) During open heart surgery blood is circulated in the heart-lung machine

(b) Blockage in coronary arteries is removed by angiography

(c) Computerised Axial Tomography (CAT) shows detailed internal structure as seen in a section of body

(d) X-ray provides clear and detailed images of organs like prostate glands and lungs

Which two of the above statements are correct?

A
(a) and (b)
B
(b) and (d)
C
(c) and (d)
D
(a) and (c)
Question 4
Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?

A
Peak P and Peak R together – systolic and diastolic blood pressures
B
Peak P – Initiation of left atrial contraction only
C
Complex QRS – One complete pulse
D
Peak T – Initiation of total cardiac contraction
Question 5
Which type of white blood cells are concerned with the release of histamine and the natural anti coagulant heparin?
A
Monocytes
B
Neutrophils
C
Basophils
D
Eosinophils
Question 6
What is true about RBCs in humans?
A
They do not carry CO2 at all
B
They carry about 20-25 percent of CO2
C
They transport 99.5 percent of O2
D
They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma
Question 7
If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?
A
The flow of blood into the pulmonary artery will be reduced
B
The flow of blood into the aorta will be slowed down
C
The pacemaker will stop working
D
The blood will tend to flow back into the left atrium
Question 8
The cells lining the blood vessels belong to the category of
A
Columnar epithelium
B
Connective tissue
C
Smooth muscle tissue
D
Squamous epithelium
Question 9
In humans, blood passes from the post caval to the diastolic right atrium of heart due to:
A
Pressure difference between the post caval and atrium
B
Pushing open of the venous valves
C
Suction pull
D
Stimulation of the sino auricular node
Question 10
The most active phagocytic white blood cells are:
A
Neutrophils and monocytes
B
Neutrophils and eosinophils
C
Lymphocytes and macrophages
D
Eosinophils and lymphocytes
Question 11
To obtain a standard ECG, a patient is connected to the machine with three electrodes
A
One to each wrist and to the left ankle
B
One to each ankle and to the left wrist
C
One to each wrist and to the left chest region
D
One to each ankle and to the left chest region
Question 12
The blood does not clot inside the body because of :
A
Oxygenation of blood
B
Movement of blood
C
Heparin in blood
D
Absence of fibrinogen in blood
Question 13
Which is the correct sequence of arrangement of types of W.B.C. in decreasing order in terms of number per mm3 of human blood?
A
Eosinophils > Basophils > Neutrophils
B
Basophils > Eosinophils > Neutrophils
C
Neutrophils > Eosinophils > Basophils
D
Eosinophils > Neutrophils > Basophils
Question 14
The blood calcium level is lowered by the deficiency of:
A
Calcitonin
B
Parathormone
C
Thyroxine
D
Both Calcitonin and Parathormone
Question 15
The average diameter of Red Blood Corpuscles of man is
A
7.2 μm
B
8.1 μm
C
9.2 μm
D
10.3 μm
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16 thoughts on “Body Fluids and Circulation MCQ Test – 4”

  • Reply ↓
    chaudhari harsh

    this questions are very usefull in all entrance exams

  • Reply ↓
    zahid shabir

    these questions are very useful for all medical students

  • Reply ↓
    vikash jha

    11th question ans shoulb be “C”
    electrodes are connected 2 in the wrist and 1 in left chest…

    • Reply ↓
      vaishali shukla

      yes its ans should be ‘c’. bcoz when we have to obtain a standard ECG than we connect it wid both d wrist and wid a left chest

        • divya reddy

          as per ncert textbook, ans should be option ‘a’ one to each wrist and to the left ankle.

    • Reply ↓
      PRATEEK MANGAL

      it,s answer is “a” itself b’coz vikash electrodes are connected to chest only for higher recomendations

  • Reply ↓
    rafquat rana

    was enjoying while answering the mcqs…. nyc work