Human Physiology (UPCAT-Dental)
Description: Lymphatic system and Immune system | |
Number of Questions: 25 | |
Created by: Niharika Sharma | |
Tags: Lymphatic system and Immune system Human Physiology |
In human beings, a primary lymphoid organ is a place where immune cells of the body develops and matures to the stage at which they are able to respond to a pathogen. Which one of the following is/are primary lymphoid organ(s) of the human body?
A lymphocyte is a type of white blood cell that is part of the immune system. Which among the following specialised cell types is involved in the entry of lymphocytes into lymph nodes of the body?
Pattern recognition receptors are a primitive part of the immune system of the human beings. These receptors generally include
Mononuclear phagocyte system is based on analogies in the morphology, function, origin, and dynamics of the phagocytes. Which among the following can be excluded from the mononuclear phagocyte system?
Neutrophil Defensins induces histamine secretion from the mast cells. They are generally
The paracortical area of a lymph node engrosses mainly which of the following cells?
Which of the following statements regarding a polymorphonuclear neutrophil (PMN) is true?
The membrane-attack complex (MAC) of complement pathway and perforin (PF) are important tools deployed by the immune system to target pathogens. The membrane-attack complex consists of
Acute inflammation inside the body characteristically causes
Complement component C3 plays a central role in the activation of complement system. Which among the following can cleave complement component C3?
Which of the following is not an acute phase protein?
NK cells play a major role in the host-rejection of both tumours and virally infected cells. Which among the following does not characterise Natural Killer (NK) cells of the human body?
Apoptosis is defined as the process of programmed cell death. An example of an anti-apoptotic molecule is
Which of the following statements is true regarding the cardiovascular system in a developing fetus?
Hydrops fetalis is an excess accumulation of fluid in the fetus. Which one of the following conditions is least likely to present as hydrops fetalis?
Which one of the following factors does not decrease the perinatal mortality rate?
In new borns, lack of vitamin K causes hemorrhagic disease. Which one of the following is the most common cause of late-onset haemorrhagic disease?
Which of the following lymphoid tissues is unencapsulated?
Which one of the following does not increase the rate of perinatal loss?
Which of the following diseases in the newborn is not a indication of maternal IgG antibody, crossing the placenta?
A heavy chain is the large polypeptide sub-unit of a protein complex. The first immunoglobulin heavy chain class to be manifested on the surface of a newly produced B-cell in the body is
The variable region of a heavy chain immunoglobulin is encoded by three DNA segments, VH (variable), D (diversity) and JH (joining). What is the approximate number of D segment genes in the immunoglobulin heavy chain gene locus?
Langerhans cells are found in the epidermis layer of the skin. These are generally found in
Which of the following can be excluded from the functions of macrophages?
Which among the following is a major factor in controlling the adaptive immune response of the body?