17. The Blood
Leukocytes
- Open QuestionMultiple ChoiceMore than one choice may apply.Which of the following formed elements are phagocytic?a. Erythrocytesb. Neutrophilsc. Monocytesd. Lymphocytes
- Open QuestionWhat four characteristics of WBCs are important to their response to tissue invasion or injury?
- Open QuestionWhich kinds of WBCs contribute to the body's nonspecific defenses?
- Open QuestionBesides the ability to move by amoeboid motion, what other physiological attributes contribute to the function of white blood cells in the body?
- Open QuestionName the three types of lymphocytes and identify their functions,
- Open Questiona. If you had a severe infection, would you expect your WBC count to be closest to 5000, 10,000, or 15,000/μl?b. What is this condition called?
- Open QuestionHow do red blood cells differ from white blood cells in both form and function?
- Open QuestionHow do elements of blood defend against toxins and pathogens in the body?
- Open QuestionIn the disease mononucleosis ('mono'), the spleen enlarges because of increased numbers of phagocytes and other cells. Common signs and symptoms of this disease include pale complexion, a tired feeling, and a lack of energy sometimes to the point of not being able to get out of bed. What might cause these signs and symptoms?
- Open Question
Match the following leukocytes with the correct definition.
____Basophil
____B lymphocyte
____Neutrophil
____Monocyte
____T lymphocyte
____Eosinophil
a. Destroys bacteria; directly phagocytoses bacteria
b. Responds to parasitic worm infection and mediates the allergic response
c. Activates all parts of the immune response; directly kills cancer or virally infected cells
d. Secretes inflammatory mediators
e. Agranulocyte that matures into macrophage
f. Agranulocyte that secretes antibodies
- Open Question
Fill in the blanks: Lymphocytes are derived from the_____cell line, whereas the other leukocytes are derived from the_____cell line.
- Open Question
A blood sample from your patient shows that she has decreased numbers of neutrophils. Predict the effects of this condition. How would it differ if numbers of T lymphocytes were decreased instead?
- Open QuestionLymphocytes continuously circulate through the body using blood and lymph as their transport vehicles. What is the importance of this recirculation behavior?