Which of the following is not an autoimmune disease?
A. Anaphylaxis
B. Systemic lupus erythematosus
C. Rheumatic fever
D. Type I diabetes mellitus
E. Rheumatoid arthritis
A. Anaphylaxis
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Under the microscope, you observe a cell with a lobed nucleus and granular cytoplasm. Based on this information, the cell could be which of the following?
A. Platelet B. Erythrocyte C. Monocyte D. Eosinophil
The actual sites of gas exchange within the lungs include
A) bronchioles. B) alveolar ducts. C) pleural spaces. D) alveoli. E) capillary beds.
Some athletes, in order to gain an advantage over their competitors, participate in blood doping. This process increases the number of red blood cells in their cardiovascular systems and in turn delivers more oxygen to their metabolically active tissues. Which statement best describes how athletes' blood dope and the dangers associated with blood doping?
A) Athletes receive blood transfusions to increase the number of red blood cells and by doing so increase their chances of developing aids or hepatitis C. B) Hemoglobin is injected, increasing the oxygen carrying capacity of red blood cells. However, too much hemoglobin can cause hemolysis. C) Colony-stimulating factors are injected to increase the number of red blood cells. Too many, however, can clog arteries, causing a heart attack. D) Leukocytes are injected because they are larger than red blood cells. However, they make the body more susceptible to infection. E) Erythropoietin is injected stimulating more red blood cell production. An increase in red blood cells increases the hematocrit which can increase blood pressure and weaken vessels making the chances of stroke increase.
The autonomic nervous system includes ____________________, ____________________, and ____________________, which carry impulses to all smooth muscle, secretory glands, and heart muscle.?
Fill in the blank(s) with correct word