The adaptive immune response is the second line of defense against non-self pathogens. Adaptive immunity, also known as acquired immunity or specific immunity, is found only in vertebrates.
<h3>What is second line of defense?</h3>
Nonspecific resistance, which destroys invaders without targeting specific individuals, is the second line of defense: phagocytic cells ingest and destroy all microbes that enter body tissues.
The adaptive immune response is the body's second line of defense against non-self pathogens. Adaptive immunity, also known as acquired immunity or specific immunity, is found only in vertebrates.
Thus, adaptive immune system is a natural, nonspecific immune response, but it is part of the body's second line of defense.
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Answer: Antigens
Explanation: The ABO system of blood grouping is based on the basis of the type of antigens that are present in the red blood cells. Erythrocytes is another name for the red blood cells. Antigens are molecules that are capable of eliciting immune response. There are two types of antigens: antigen A and B. Blood type A has only antigen A, blood type B has only antigen B, blood type AB has both antigen A and B while blood type O has no antigen (neither A nor B antigen).
Similarly, Rh trait is determined by the presence or absence of rhesus antigen in the erythrocytes. Rhesus antigen is an antigen first discovered in rhesus monkey. Rh+ indicates the presence of rhesus antigen in the red blood cells while Rh- indicates the absence of rhesus antigen in the red blood cells.
Answer:
Force is a measure of power. Velocity, on the other hand, is a quality an object has. Apply force to an object, and its velocity changes.
<span>D.
requiring governmental agencies to prepare environmental assessments and impact statements</span>
Answer:
Option A, Reduces the time nurses spend charting
Explanation:
Charting by exception or CBE and is a documents that consists of –
a) Set standards of practice and regulations
b) Findings along with exceptions and explanations against the predefined norms
c) Methods and criteria of checkups and assessments
This document in turn reduces the effort of a nurse writing facts and observation in details which shall be put in front the doctor for in-depth observations.
Hence, option A is correct
