The primary function of _____ is to defend tissues against infections and foreign substances
A) erythrocytes
B) leukocytes
C) plasmas
D) platelets
Answer: B
You might also like to view...
The pulmonary valve is an atrioventricular valve
Indicate whether the statement is true or false
The patient has been diagnosed with an anemia in which the bone marrow fails to produce enough red blood cells. This is which of the following?
A. Pernicious B. Aplastic C. Iron-deficiency D. Sickle cell
Which of the following statements regarding sexuality and aging is true?
A) Sexual activity and sexual desire both decrease with age. B) An active sex life may help to increase longevity. C) Sexuality is not important as men and women age. D) High sexual self-esteem has little relevance to women's sexual activity later in life.
Read the health record excerpt below:Endometrial Bx: Hyperplasia with atypia.According to the excerpt, what kind of diagnostic procedure did the patient undergo?
A. An imaging procedure using sound waves emitted from a device inserted in the vagina B. An instrument used to examine the vagina C. A test used to detect cancer cells, most commonly in the cervix D. The removal of a sample of the inner layer of the uterine tissue in order to examine it E. A record of a breast exam