Which one of the following lymphoid organ is large at birth but reduces with age?
Thymus
The thymus is a primary lymphoid organ responsible for the maturation of T-lymphocytes. Its characteristics include:
1. Large size during childhood, supporting the development of immunity.
2. Gradual reduction in size and activity after puberty, a process known as involution.
Other lymphoid organs like bone marrow and spleen do not shrink with age.
Similar Questions
Smack is chemically:
Identify the incorrect statement/s:
(A) Intestinal perforation and death may occur in severe cases of typhoid infection.
(B) Common cold is caused by Rhinoviruses.
(C) Lips and fingernails may turn grey to bluish colour in severe cases of pneumonia.
(D) Pneumonia is caused by Salmonella.
(E) Typhoid fever could be confirmed by Widal test.
Match List-I with List-II:
List-I (Types of barriers)
List-II (Examples)
List-I List-II (A) Cytokine barriers (I) Mucus coating (B) Physical barriers (II) Tears from eyes (C) Cellular barriers (III) Phagocytosis (D) Physiological barriers (IV) Interferons Choose the correct answer from the options given below:
Antibodies are secreted by:
Which of the following is not a Sexually Transmitted Disease?
Which of the following statements is incorrect with respect to Medical Termination of Pregnancy?
Which disorder is caused by the substitution of Glutamic acid (Glu) by Valine (Val) at the sixth position of the beta globin chain of haemoglobin?
Match List-I with List-II:
List-I (Disease) List-II (Pathogen/Genera) (A) Amoebiasis (I) Wuchereria (B) Filariasis (II) Entamoeba histolytica (C) Ringworm (III) Hemophilus influenzae (D) Pneumonia (IV) Epidermophyton Choose the correct answer from the options given below:
Which of the following plays a significant role in our stomach in checking disease-causing microbes?
The common approach(es) for the treatment of cancer is/are:
(A) Vaccination
(B) Surgery
(C) Physiotherapy
(D) Radiation therapy
(E) Immunotherapy
Choose the correct answer from the options given below:
Important Questions from Human Health and Diseases
Smack is chemically:
Identify the incorrect statement/s:
(A) Intestinal perforation and death may occur in severe cases of typhoid infection.
(B) Common cold is caused by Rhinoviruses.
(C) Lips and fingernails may turn grey to bluish colour in severe cases of pneumonia.
(D) Pneumonia is caused by Salmonella.
(E) Typhoid fever could be confirmed by Widal test.
Match List-I with List-II:
List-I (Types of barriers)
List-II (Examples)
List-I List-II (A) Cytokine barriers (I) Mucus coating (B) Physical barriers (II) Tears from eyes (C) Cellular barriers (III) Phagocytosis (D) Physiological barriers (IV) Interferons Choose the correct answer from the options given below:
Select the statements which hold true for immune system:
A. Innate immunity or nonspecific immunity is present at the time of birth
B. Acquired immunity is never pathogen specific
C. Cytokine barriers are a part of innate immunity
D. Rheumatoid arthritis is an auto-immune disease
Choose the correct answer from the options given below.
Solid wastes generated from hospitals are generally disposed of by:
