The solid ball of cells that has been likened to a mulberry is called a
A) chorion.
B) blastula.
C) gastrula.
D) morula.
E) blastocyst.
D
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Answer the following statements true (T) or false (F)
1. Positive chemotaxis is a feedback system that signals leukocyte migration into damaged areas. 2. A condition of leukocytosis indicates over 11,000 white blood cells per cubic millimeter in the blood. 3. Basophils increase in number when parasitic invasion occurs. 4. Leukopenia is an abnormally low number of leukocytes. 5. A person with type B blood could receive blood from a person with either type B or type O blood.
In response to the hormone secretin, the pancreas secretes a fluid
A) rich in enzymes. B) rich in bicarbonate ion. C) rich in bile. D) rich in mucus. E) that contains only amylase.
What results from right ventricular failure?
A. Pulmonary congestion B. Compression of the heart by serous fluid or blood in the pericardial cavity C. Mitral valve prolapse D. Systemic congestion E. Inflammation of the endocardium
In general, the parasympathetic division will
A. Decrease digestive functions B. Increase digestive functions C. Increase cardiac rate D. Increase breathing rate