The antigen's foreignness is the most important determinant of immunogenicity when considering an antigen.
An antigen in immunology is a molecule, molecular structure, foreign particle, pollen grain, etc. that may attach to a particular antibody or T-cell receptor. Antigens within the body may cause an immunological response.
Antigens are outside elements. Normally, the body's defence cells don't react to molecules that belong to it (self antigen). A substance's antigenicity is often correlated with its foreignness . When compared to antigen from other members of the same species, it is less antigenic.
A foreign substance must make up the immunogen. Only substances that are not normally found in the body or exposed to the cells of the particular immune system trigger immune reactions. The immune system will distinguish between "self" and "non-self" in normal circumstances.
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Answer:
Acetylchloline
Explanation: this is one of the most richly supplied neurotransmitter in the body of man. It helps in body movement by helping muscles to strink. It also stimulate our reactions to pain.it is found only in the Central and pheripheral nervous system. It is a type of inhibitory and excitatory neurotransmitter that's help also in human memory and learning and also muscle contraction.
Answer:
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Explanation:
Answer:
c. pregnancy test
Explanation:
This question is incomplete. The options for this question are:
A. Flat plate of the abdomen
B. CBC with diff
C. Pregnancy test
D. Pelvic ultrasound
Cervical motion tenderness is found on a gynecological pelvic examination and it suggests some kind of pelvic pathology. Usually it is an indicator or pelvic inflammatory disease or ectopic pregnancy.
Adnexal tenderness occurs when there is pain or general tenderness around the area where an adnexal mass is located (usually in the ovary or fallopian tubes). These adnexal masses can be ovarian cysts, tumors or ectopic pregnancies.
This patient has amenorrhea (missing periods) and vaginal spotting. We can see that <u>both cervical motion tenderness and adnexal tenderness can be signs of ectopic pregnancies</u>. Also the fact that <u>she is missing her period </u>can indicate pregnancy. Therefore, the NP should initially order a pregnancy test to discard this option.
The president chooses the new justice. His decision has to be approved by the senate.
