The statement which is false about the intergumentary system is option D. "Keratin is the pigment responsible for skin color."
Even though the skin color of human beings is affected y different substances, the pigment melanin is responsible for it. Melanin is produced within the skin in cells known as melanocytes and it determines of the skin color of darker-skinned humans.
For instance, the skin color of those who have light skin is determined primary by the bluish-white connective tissue placed beneath the dermis and by the hemoglobin which circulates in the veins of the dermis.
<span>In infectious mononucleosis the monospot test detects heterophil antibodies.</span> <span>The mononuclear spot test or monospot test is a form of the heterophile antibody test for a rapid detection of infectious mononucleosis due to Epstein–Barr virus (EBV). The test is specific for heterophile antibodies produced by the human immune system in response to EBV infection. About 70%–80% of patients with infectious mononucleosis produce these heterophile antibodies, which are not specific for EBV infection but are good predictors.</span>
The correct answer is thrombocytes.
Thrombocytes sometimes called blood platelets are an important compound of the blood. Their main role is to repair damage and prevent excessive damage when an injury occurs. Thee platelets do this by forming blood clots at the site of the injury. Recent studies have shown that these structures also have a role in the defense against parasites.
