Recent questions tagged human-physiology

The immunologically active regions on a complex antigen that actually bind to B-cell or T-cell receptors are known as

asked Apr 3, 2014 by pady_1

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Langerhans cells and myeloid cells are which type of cells ?

asked Apr 3, 2014 by pady_1

1 answer

Movement of circulating neutrophils into tissues is known as

asked Apr 3, 2014 by pady_1

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Which of the granulocytic cells have bilobed nucleus ?

asked Apr 3, 2014 by pady_1

1 answer

Which of the granulocytic cells cytoplasm stains with the basic dye methylene blue ?

asked Apr 3, 2014 by pady_1

1 answer

All blood cells arise from which type of cells ?

asked Apr 3, 2014 by pady_1

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The maturation site for T-lymphocytes is

asked Apr 3, 2014 by pady_1

1 answer

Macrophages in the connective tissue is called

asked Apr 3, 2014 by pady_1

2 answers

Antibody found in the blood after antigen stimulation and also has the ability to cross placenta is

asked Apr 3, 2014 by pady_1

1 answer

When a ligand or a hormone is binded to the GPCRs , a group of cell surface receptors activates which proteins ?

asked Apr 3, 2014 by pady_1

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Inositol 1,4,5-trisphosphate (IP3) in cell signaling is referred as

asked Apr 3, 2014 by pady_1

1 answer

cAMP and cGMP are broken down by which enzymes ?

asked Apr 3, 2014 by pady_1

1 answer

Which part of the cell is involved in communicating with the other cells, through binding of ligands i.e. hormones, neurotransmitters etc. to the receptor proteins on its surface ?

asked Apr 3, 2014 by pady_1

1 answer

Regarding Blood groups : Match the following and choose the incorrectly matched / combination least likely to be seen : (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;

asked Apr 2, 2014 by pady_1

1 answer

Match the following & choose the most appropriate option:

asked Apr 2, 2014 by pady_1

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Regarding Nature of various types of muscles : Match the following and choose the most appropriate option: (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;

asked Apr 2, 2014 by pady_1

2 answers

Regarding Types of Synovial joints and their examples : Match the following & choose the most appropriate option:

asked Apr 2, 2014 by pady_1

1 answer

Regarding DISORDERS OF MUSCULAR AND SKELETAL SYSTEM : Match the following and choose the most appropriate option: (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;

asked Apr 2, 2014 by pady_1

1 answer

Regarding gastro-intestinal hormones : Match the following and choose the most appropriate option: (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;

asked Apr 2, 2014 by pady_1

1 answer

Regarding Types of neurons : Match the following and choose the most appropriate option: (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;

asked Apr 2, 2014 by pady_1

1 answer

Regarding Respiratory diseases : Match the following and choose the most appropriate option: (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;

asked Apr 2, 2014 by pady_1

1 answer

Regarding dentition : Match the following and choose the most appropriate option:

asked Apr 2, 2014 by pady_1

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Small amounts of urea enter the _____ (K) of _ (J) which is transported back to the interstitium by the _____ (L). The above described transport of substances facilitated by the special arrangement of Henle’s loop and vasa recta is called the counter current mechanism that helps to maintain a concentration gradient in the _ (C). Presence of such interstitial gradient helps in an easy passage of water from the _______ (L).

asked Mar 26, 2014 by pady_1

1 answer

___ (D) is transported by the (E) of _ (J) which is exchanged with the ____ (G) of _ (I). (D) is returned to the interstitium by the (H) of __ (I).

asked Mar 26, 2014 by pady_1

1 answer

The proximity between the _ and , as well as the in them help in maintaining an increasing osmolarity from 300 mOsmolL–1 in the _ (A) to about 1200 mOsmolL–1 in the _____ (C). This gradient is mainly caused by _ and ________ .

asked Mar 26, 2014 by pady_1

1 answer

Each nephron has two parts – the glomerulus and the renal tubule. Glomerulus is a tuft of capillaries formed by the _______ (A). Blood from the glomerulus is carried away by an (B). The renal tubule begins with (C), which encloses the glomerulus. alongwith _ (C), is called the (D). The tubule continues further to form a highly coiled network – __ (E).

asked Mar 26, 2014 by pady_1

1 answer

A hairpin shaped __________ (C) is the next part of the tubule which has (D) and _ (E). The _ (H) emerging from the (I) forms a fine capillary network around the renal tubule called the peritubular capillaries. A minute vessel of this network runs parallel to the (C) forming _______ (J) .

asked Mar 26, 2014 by pady_1

1 answer

Each nephron has two parts – the glomerulus and the renal tubule. The renal tubule begins with (A) and continues further to form a highly coiled network – (B) . (C) is the next part of the tubule whose ascending limb continues as another highly coiled tubular region called (F). The (F) of many nephrons open into a straight tube called _________ (G) .

asked Mar 26, 2014 by pady_1

1 answer

Identify F,G, H, I and J in order :

asked Mar 26, 2014 by pady_1

1 answer

Inside the kidney there are two zones, an _____ (A) and an _ (B). The medulla is divided into a few conical masses (C) projecting into the . The cortex extends in between the medullary pyramids as ____ (E).

asked Mar 26, 2014 by pady_1

1 answer

Identify A, E, G, K, N, O, P in order in the picture :

asked Mar 26, 2014 by pady_1

1 answer

The (I) and (J) branches give rise to minute fibres throughout the ventricular musculature of the respective sides and are called . These fibres alongwith (I) and (J) are known as ______ (L) .

asked Mar 26, 2014 by pady_1

1 answer

A bundle of nodal fibres, ________ continues from the (D) which passes through the to emerge on the top of the _ (H) and immediately divides into a (I) and (J).

asked Mar 26, 2014 by pady_1

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A patch of nodal tissue present in the _ of the (C) is called the (B). Another mass of nodal tissue seen in the called the ____________ (D) .

asked Mar 26, 2014 by pady_1

1 answer

A thin, muscular wall called the separates the right and the left atria, whereas a thick-walled, (H) , separates the left and the right ventricles. The atrium and the ventricle of the same side are also separated by a thick fibrous tissue called the ___ .

asked Mar 26, 2014 by pady_1

1 answer

What are E,F and G in order?

asked Mar 26, 2014 by pady_1

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Regarding ECG - choose the incorrect answer :

asked Mar 26, 2014 by pady_1

1 answer

What are C and D in order? What does the looped part represent?

asked Mar 26, 2014 by pady_1

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What are A and B in order ? What does the looped part represent?

asked Mar 26, 2014 by pady_1

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During contraction : 1. Actin filaments are pulled towards the centre of ‘A’ band. The ‘Z’ line attached to these actins are also pulled inwards thereby causing a shortening of the sarcomere. 2. ‘I’ bands get reduced, whereas the ‘A’ bands retain the length Regarding 1 and 2 : What are A,B and C in order?

asked Mar 26, 2014 by pady_1

1 answer

Which of the following is important for muscle contraction and nerve transmission ?

asked Mar 26, 2014 by pady_1

1 answer

The HMM component projects outwards at regular distance and angle from each other from the surface of a polymerised myosin filament and is known as _____ (D) . The _ (C) is an active ATPase enzyme and has binding sites for _ (B) and _______ (A).

asked Mar 26, 2014 by pady_1

1 answer

Structure of Contractile Proteins (Myosin) : Many monomeric proteins called _ (E) constitute one thick filament. Each (E) has two important parts, a (C) with a and , the former being called the and the latter, the ____ .

asked Mar 26, 2014 by pady_1

1 answer

Structure of Contractile Proteins (Actin) : Each actin filament is made of two __ (C) helically wound to each other. Each (C) is a polymer of monomeric . Two filaments of another protein, _ (B) also run close to the (C) throughout its length. In the resting state a subunit of ___ (A) masks the active binding sites for myosin on the actin filaments

asked Mar 26, 2014 by pady_1

1 answer

The portion of the muscle fibre between two successive _ (A) is considered as the functional unit of contraction and is called a (E) . In a resting state, the edges of thin filaments on either side of the thick filaments partially overlap the free ends of the thick filaments leaving the central part of the thick filaments. This central part of thick filament, not overlapped by thin filaments is called the (D) .

asked Mar 26, 2014 by pady_1

2 answers

In the centre of each _______ (C) is an elastic fibre called (A) which bisects it. The thin filaments are firmly attached to the _ (A). The thick filaments in the (B) are also held together in the middle of this band by a thin fibrous membrane called _ . The (B) and ___ (C) are arranged alternately throughout the length of the myofibrils.

asked Mar 26, 2014 by pady_1

1 answer

Each myofibril has alternate dark and light bands on it. The light bands contain and is called _ (C), whereas the dark band called (B) contains ___ .

asked Mar 26, 2014 by pady_1

1 answer

Each organised skeletal muscle in our body is made of a number of ________ (A) held together by a common collagenous connective tissue layer called _ . Each __ (A) contains a number of _ (B). Each is _ (B) lined by the plasma membrane called __________ (C).

asked Mar 26, 2014 by pady_1

1 answer

Hypothalamic hormones originating in the __________ (A), pass through axons and are released from their nerve endings. Hypothalamic hormone reach the pituitary gland through a _ (B) and regulate the functions of the (D). The (C) is under the direct neural regulation of the ________ (E).

asked Mar 26, 2014 by pady_1

1 answer

Hormones which interact with _______ mostly regulate by the interaction of _ (C) with the _______ (D).

asked Mar 26, 2014 by pady_1

1 answer

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