The muscular strands which characterize the interior surface of the ventricular myocardium are called ___.
a) musculi pectinati
b) chordae tendinae
c) trabeculae carne
d) papillary muscles
Answer: b) chordae tendinae
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Plasma consists of
A. platelets, red blood cells, and white blood cells. B. dissolved protein fibers and a watery ground substance. C. dissolved ground matrix and a lining of epithelial cells. D. platelets and a watery ground substance. E. dissolved blood cells and a liquefied ground substance.
The skin is attached to the muscles of the body by the ________ layer
A) Subcutaneous B) Dermis C) Hypodermis D) Epidermis
The sequence of nucleotides in a messenger RNA molecule is needed to determine the sequence of
A. nucleotides in a gene. B. amino acids in a protein. C. amino acids in DNA. D. nucleotides in the anticodons of tRNA. E. codons in DNA.
Which respiratory disorder results from long-term irritation of the epithelium of the bronchial tree?
A. Chronic bronchitis B. Asthma C. Pneumonia D. Emphysema