✔️ Med 116 Ch 7
* T helper cells
HIV attacks and destroys which element in the immune system?
* there is now a cure for HIV infection if detected early
Which of the following statements regarding HIV testing is not true?
* Helicobacter pyloric is believed to be the cause of all ulcers
Which of the following statements regarding Hpylori in ulcers are false?
* anti-Rh gamma globulin (RhoGAM)
Most cases of Hemolytic disease of the newborn can be prevented by administering ___________ to the Rh-negative mother.
* O
The ABO blood type of the universal donor is:
*direct contact
Transmission of the EBV causing infectious mononucleosis is transmitted primarily by?
* IgE
Which of the following classes of antibodies is involved in allergic reactions?
* Epstein-Barr virus (EBV)
Which of the following is a causative agent of infectious mononucleosis is?
*normal flora of phagocytosis
Which of the following nonspecific immunity mechanism involves the process of certain cells engulfing and destroying microorganisms or cellular debris?
* all are correct
Which of the following pairs is correct regarding the diagnosis of infectious mononucleosis?
* human chorionic gonadotropin (hCG)
Pregnancy testing is based upon the detection of?
*active immunity
Which of the following provides Long term protection against future infections due to production of antibodies that were formed naturally during an infection or artificially by vaccination?
* there is no preventive measures for hemolytic anemia
Which of the following statements is false?
* 15-25
the age group in which symptoms of EBV are most often displayed is?
* 85%, 15%
About ____ % of North Americans are Rh positive and _____ % are Rh negative.
* B cells
*Which of the lymphocytes differentiate into plasma cells and memory cells with subsequent production of antibodies?
* first morning sample
The first sample for pregnancy testing is obtained as?
* 50th and 80th
HCG levels peak between the _________ days of pregnancy
