Collagenous fibers are very abundant in
blood and hyaline cartilage
ligaments, bones, and the superficial portion of the skin
tendons, ligaments, and the deeper portion of the skin
areolar tissue, tongue, and bones
blood, adipose tissue, and osseous tissue
The Correct Answer is C
A. blood and hyaline cartilage: Blood contains plasma and cells but very few fibers, and hyaline cartilage is mostly composed of a smooth extracellular matrix with limited collagen fibers. These tissues do not have abundant collagen.
B. ligaments, bones, and the superficial portion of the skin: While ligaments and bones contain collagen, the superficial portion of the skin (epidermis) is mostly epithelial tissue with minimal collagen, making this pairing inaccurate.
C. tendons, ligaments, and the deeper portion of the skin: Tendons and ligaments are rich in collagen fibers, which provide tensile strength. The deeper portion of the skin, the dermis, also contains abundant collagen, supporting skin structure and elasticity.
D. areolar tissue, tongue, and bones: Areolar tissue has loosely arranged collagen fibers, and the tongue contains muscle tissue interspersed with connective tissue, so collagen is present but not as abundant as in tendons and ligaments.
E. blood, adipose tissue, and osseous tissue: Blood and adipose tissue contain very few collagen fibers, while osseous tissue contains collagen within its mineralized matrix, making this combination inaccurate for abundant collagen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. a segment of DNA that carries the instructions for one protein:A gene is a functional unit of DNA that contains the necessary coding sequence to produce a specific protein. It includes exons, which code for amino acids, and regulatory regions that control expression.
B. a strand of introns only:Introns are non-coding segments within a gene that are removed during RNA processing. A gene is not composed solely of introns, as it also contains exons that determine protein structure.
C. an RNA messenger that codes for a particular polypeptide:Messenger RNA is the transcript produced from a gene. While it carries the code for a protein, the gene itself is the DNA sequence, not the RNA product.
D. a three-base triplet that specifies a particular amino acid:A three-base triplet is a codon in mRNA, which specifies a single amino acid during translation. A gene consists of many codons and encompasses the full sequence necessary for the entire protein.
Correct Answer is C
Explanation
A. anaerobic:Anaerobic respiration, such as glycolysis, occurs without oxygen and produces only a small amount of ATP, typically 2 ATP per glucose molecule. It provides quick energy but is not the main source of ATP generation in cells.
B. anabolic:Anabolic reactions involve building larger molecules from smaller ones, such as protein or glycogen synthesis. These processes consume energy rather than produce it, so they do not contribute to ATP generation.
C. aerobic:Aerobic respiration occurs in the presence of oxygen and includes the Krebs cycle and electron transport chain. This pathway produces the majority of ATP, yielding around 34–36 ATP molecules per glucose, making it the primary energy source.
D. None of the Correct answers are correct:This option does not apply because aerobic respiration is the well-established pathway responsible for generating most of the cell’s ATP.
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