The largest arteries of the body are classified as
A. muscular arteries.
B. arterioles.
C. elastic arteries.
D. muscular and elastic because they have the same dimensions.
E. None of the answers is correct.
C
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According to the Frank-Starling law
A. the greater the resistance from the arteries, the higher the blood pressure. B. the faster the heart rate, the larger the stroke volume. C. the more calcium available to the heart cell, the more forcefully it will contract. D. as the volume of blood entering the heart increases, ventricular contractions become more forceful.
Which statement is the most correct regarding transcription/translation?
A) The nucleotide sequence in a mRNA codon is an exact copy of the DNA triplet that coded for it. B) The nucleotide sequence in a mRNA codon is an exact copy of the DNA triplet that coded for it except that uracil is substituted for thymine. C) The nucleotide sequence in a tRNA anticodon is an exact copy of the DNA triplet that coded for it. D) The nucleotide sequence in a tRNA anticodon is an exact copy of the DNA triplet that coded for it except that uracil is substituted for thymine.
Select the sequence that correctly describes blood flow through the heart
A) left atrium to left ventricle to body B) right atrium to left atrium C) right ventricle to left ventricle D) right atrium to right ventricle to body
Of the following terms, which of them represents the cellular level of organization: carbon dioxide, lymphatic, osteocyte, digestive, epithelial?
A. Digestive B. Epithelial C. Osteocyte D. Carbon dioxide E. Lymphatic