ATI RN
Multiple Choice Questions on Cells Tissues and Organs Questions
Question 1 of 5
What is the difference between "loose" connective tissue(CT) and "dense" connective tissue?
Correct Answer: A
Rationale: The preponderance of fibres is what makes the CT "dense". Cartilage is classified as supportive CT.
Question 2 of 5
Which one of the following terms best describes a phospholipid. It consists of a:
Correct Answer: C
Rationale: Polar= hydrophilic head of phosphate(which can dissolve in the aqueous extracellular solution because water molecules are polar); non-polar= hydrophobic tails of lipid, which being non-polar, cannot dissolve in aqueous solutions.
Question 3 of 5
Which of the following statements about "leak channels" in the plasma membrane is correct?
Correct Answer: B
Rationale: This is the definition of leak channels. They may be "gated" which means shut until stimulated to open. J refers to facilitated diffusion.
Question 4 of 5
What is the tissue that covers the body surface and lines internal tubes called?
Correct Answer: A
Rationale: Epithelial tissue has one surface "open" to the exterior or to the contents of the tube.
Question 5 of 5
In a strand of DNA, what is the combination of deoxyribose and phosphate and base known as?
Correct Answer: D
Rationale: Three nucleotides form a codon and many codons form a chromatid.