ANATOMY AND PHYSIOLOGY I quiz 2, attempt 2 2021 (QUESTIONS AND ANSWERERS)

Question text Covalent bonds form when Select one: a. atomic nuclei fuse. b. molecules become ionized. c. neutrons are transferred from one atom to another. d. protons are lost from atoms. e. electrons are shared between two atoms. Question 2 Correct 1.75 points out of 1.75 Flag question Question text Electrons Select one: a. comprise the majority of the mass of an atom. b. are located in the nucleus of an atom. c. have a positive charge of one. d. are the subatomic particles most involved in bonding behavior of atoms. e. do not participate in the bonding of atoms. Question 3 Correct 1.75 points out of 1.75 Flag question Question text X-rays can be used to view bones because Select one: a. x-rays pass through bone. b. x-rays react with bone. c. x-rays can not pass through bone. d. bones are less dense than soft tissue. Question 4 Correct 1.75 points out of 1.75 Flag question Question text Which of the following is not a use of X-ray imaging? Select one: a. breast cancer screening in mammography b. upper digestive tract abnormalities following barium ingestion c. brain tumor progression d. vertebrae fractures Question 5 Correct 1.75 points out of 1.75 Flag question Question text Heat energy is Select one: a. the form of energy that actually does work. b. movement of ions or electrons. c. energy that flows between objects with different temperatures. d. stored energy that could do work but is not doing so. e. energy that moves in waves. Question 6 Correct 1.75 points out of 1.75 Flag question Question text When the hydrogen bonds that maintain a protein's three-dimensional shape are broken, the protein becomes nonfunctional, and is said to be Select one: a. essential. b. denatured. c. structural. d. unsaturated. e. saturated.