Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 64

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Weekly Quiz Competition

Question 1
1 / -0

Which of the blood vessel may be considered as true heart in earthworm?

A
Dorsal blood vessel

B
Ventral blood vessel

C
Supra-oesophageal blood vessel

D
Anterior loop

Solution

The dorsal blood vessel on the dorsal side of earthworm has thick walls that pump the blood into the aortic arches which are 5 in number.
So, the correct option is 'Dorsal blood vessel'.
Question 2
1 / -0

Electrical activities of heart are measured by an instrument known as?

A
Electrocardiogram

B
Electrocardiograph

C
Electromyogram

D
Stethoscope

Solution

An electrocardiogram or an ECG uses an instrument to record the electrical activities of the heart. It records the electrical impulses, more specifically the change in the electrical impulses of the heart, and plots it on a graph. The readings of an individual’s ECG are compared with a standard ECG to evaluate the working of the heart and checking it for any abnormalities or diseases.
So, the correct answer is 'Electrocardiogram'.
Question 3
1 / -0

Most effective treatment for DNA deficiency (Blood Cancer) Patient is.

A
Bone marrow transplantation

B
Functional ADA injected in patient

C
Functional ADA, cDNA introduce into lymphocyte from blood and infuses to the blood of the patient

D
Functional ADA, cDNA introduces in the cell of the early embryo and it infuses in patient.

Solution

Bone marrow transplant has a great success rate in cancer treatment. It has caused an increase in the survival rate for some blood cancers. As the bone marrow which is responsible for the formation of blood cells is transplanted defects in the formation of blood cells can be reduced. During this process, the patient is given high dose chemotherapy, sometimes with whole body radiotherapy.

So, the correct option is 'Bone marrow transplantation'.
Question 4
1 / -0

Which blood group called as universal donar?

A
$$AB$$

B
$$A$$

C
$$B$$

D
$$O$$

Solution

Type O ( specifically O negative ) blood is called the universal donor type because it is compatible with any blood type. O blood group does not contain any antigen hence does not result in transfusion reactions.

So, the correct option is 'O'.
Question 5
1 / -0

Select the incorrect statement out of the following.

A
Neutrophils constitute the majority of leucocytes

B
Eosinophils resist infection.

C
Basophils secrete histamine and serotonin.

D
RBCs in mammals are enucleated and biconvex in shape.

Solution

(A) Neutrophils are the most abundant white blood cell, consisting of $$60-70\%$$ of the leukocytes, they defend against bacterial or fungal infection. They are referred to as PMN leukocytes.
(B) Eosinophil compose about $$2-4\%$$ of WBC. The count fluctuates. It rises in response to allergies, parasitic infections, collagen diseases, and disease of the spleen and CNS. That is they resist infection.
(C) Basophils are chiefly responsible for allergic and antigen response by releasing the chemical histamine & serotonin also heparin.
(D) Red Blood cells lack a nucleus, but are biconcave in shape, not Biconvex
Hence the correct option is D.
Question 6
1 / -0

To obtain a standard ECG, a patient is connected to the machine with three electrons

A
One to each ankle and to the left wrist

B
One to each wrist and to the left ankle

C
One to each wrist and to the left chest region

D
One to each ankle and to the left chest region

Solution

ECG (Electrocardiography) is the process of recording the electrical activity of the heart over a period of time using electrodes placed over the skin.
The ECG machine consists of electrodes which are connected to the patient's body to a predetermined location of the body that is on the chest, arms, and legs. So, the correct option is 'one to each wrist and to the left chest region.
Question 7
1 / -0

In the given list how many animals have complete double circulation.
Fish, Alligator, Frog, lung fish, Prawn, Crocodile birds, mammals.

A
Five

B
Four

C
Three

D
Six

Solution

Double circulation is the type of circulation in which blood goes through the heart twice. It is mainly found in birds, mammals, and some reptiles and fishes. Hence, out of the options given in the question, alligator, lungfish, crocodile, birds, and mammals have double circulation.
So, the correct answer is 'Five'.
Question 8
1 / -0

Acromion process is found in

A
Coxal bone

B
Scapula

C
Sternum

D
Clavicle

Solution

The acromial vein is actually a part of a greater network of veins located in the shoulder, near the acromion process in the scapula (shoulder blade). So the correct option is ' Scapula'.
Question 9
1 / -0

Which one of the following correctly explains the term 'chimera'

A
Spontaneously induced delections

B
Breaking a part of chromosome segment during mutation

C
Development of genetically diverse tissues in the same organism

D
During mutation at segregation, chromosome become equally distributed

Solution

Genetic chimerism or chimaera is a single organism composed of cells with distinct genotypes. In animals, this means an individual derived from two or more zygotes, which can include possessing blood cells of different blood types, subtle variations in form (phenotype) and, if the zygotes were of different sexes, then even the possession of both female and male sex organs.

So the correct option is 'Development of genetically diverse tissues in the same organism'.
Question 10
1 / -0

The main difference in the structure of arteries and veins is in

A
Tunica intima, made up of simple squamous epithelium

B
Tunica media

C
Tunica externa

D
Tunica adventitia
Solution
Arteries and veins are the types of blood vessels that supply blood from part to the other in the body. They have different types of layers present in them.
Tunica intima - It is the inner coat or layer of the arteries and veins. It is made up of only a single layer of squamous epithelial cells.
Tunica media - It is located between the inner and outer layers of the arteries and veins. They are made up of smooth cells and are elastic in nature. They are thicker in arteries than in veins due to the development of pressure on the walls of arteries.
Tunica externa - It is the outer cola or layer of the arteries and veins. It is comprised of collagen fibers and gives strength and support to the blood vessels.
Tunica adventitia - It is the additional coat or layer present in between the middle and outer coat. It provides structural stability to the arteries and veins.
So, the correct option is 'Tunica media'.

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Body Fluids and Circulation Test - 64

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Body Fluids and Circulation Test - 64

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SHARING IS CARING

Question 1

Dorsal blood vessel

Ventral blood vessel

Supra-oesophageal blood vessel

Anterior loop

Solution

Question 2

Electrocardiogram

Electrocardiograph

Electromyogram

Stethoscope

Solution

Question 3

Bone marrow transplantation

Functional ADA injected in patient

Functional ADA, cDNA introduce into lymphocyte from blood and infuses to the blood of the patient

Functional ADA, cDNA introduces in the cell of the early embryo and it infuses in patient.

Solution

Question 4

$$AB$$

$$A$$

$$B$$

$$O$$

Solution

Question 5

Neutrophils constitute the majority of leucocytes

Eosinophils resist infection.

Basophils secrete histamine and serotonin.

RBCs in mammals are enucleated and biconvex in shape.

Solution

Question 6

One to each ankle and to the left wrist

One to each wrist and to the left ankle

One to each wrist and to the left chest region

One to each ankle and to the left chest region

Solution

Question 7

Five

Four

Three

Six

Solution

Question 8

Coxal bone

Scapula

Sternum

Clavicle

Solution

Question 9

Spontaneously induced delections

Breaking a part of chromosome segment during mutation

Development of genetically diverse tissues in the same organism

During mutation at segregation, chromosome become equally distributed

Solution

Question 10

Tunica intima, made up of simple squamous epithelium

Tunica media

Tunica externa

Tunica adventitia

Solution

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