What vessel is located in the atrioventricular sulcus between the left atrium and ventricle?
a. left coronary a.
b. right coronary a.
c. circumflex a.
d. anterior interventricular artery
Answer: b. right coronary a.
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A displaced abomasum occurs when the rumen fills with excessive liquid
Indicate whether the statement is true or false
Although B-cells (as plasma cells) are specialized to secrete antibodies, they require the assistance of a number of other types of cells, including
a. macrophages. b. dendritic cells. c. T-helper cells. d. all of these. e. none of these.
The right and left hemispheres remain in constant communication primarily through commissures in the
A. pituitary. B. corpus callosum. C. medulla oblongata. D. hypothalamus. E. pons.
What maintains the potassium ion concentration in the cytosol of cells?
A) Na+/K+ pump B) endocytosis C) osmosis D) diffusion