Coronary arteries may become blocked
A. by a thrombus, producing a coronary thrombosis.
B. and cause the formation of atherosclerotic lesions.
C. as the direct result of angina pectoris.
D. as the direct result of an infarct (area of tissue death) in the heart.
E. All of these can block coronary arteries.
Ans: A. by a thrombus, producing a coronary thrombosis.
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Fill in the blank(s) with the appropriate word(s).
A sensillum is ____
a. a hollow sensory bristle that contains chemoreceptors b. located on the antennae, foot, or mouthparts of aquatic insects c. a specialized olfactory receptor in invertebrates d. common to earthworms, insects, and cnidarians e. a type of taste receptor in vertebrates
What does "transfer RNA" actually transfer?
A. Anticodons B. Codons C. Ribosome D. Amino acids
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A) lose more iron (during menstruation). B) have fewer red blood cells. C) have less bone marrow. D) eat less red meat than males. E) have a smaller volume of blood.