Blood travels from the left atrium to the left ventricle through the
A) fossa ovalis.
B) semilunar valve.
C) conus arteriosus.
D) mitral valve.
E) tricuspid valve.
D) mitral valve.
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Because humans stand and move upright, the term "dorsal" can be used in place of the term ________
A) Anterior B) Distal C) Inferior D) Posterior
Which sequence indicates the correct pathway for blood in the arterial flow of the upper appendage?
A. Axillary artery - brachial artery - subclavian artery - ulnar artery B. Brachial artery - subclavian artery - axillary artery - radial artery C. Axillary artery - subclavian artery - radial artery - ulnar artery D. Subclavian artery - brachial artery - axillary artery - radial artery E. Subclavian artery - axillary artery - brachial artery - ulnar artery
Of the following blood vessels, the greatest resistance to blood flow occurs in the:
veins capillaries arteries venules none of the choices are correct
If plasma levels of ________ were low, excessive cholesterol may be deposited throughout the body tissues, and cardiovascular risk could increase.
A. low-density lipoprotein B. very low-density lipoprotein C. high-density lipoprotein D. medium-density lipoprotein