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A dental hygienist employed by a children’s hospital dental clinic is responsible for coordinating programs to serve medically compromised children in the service area.  The population consists of a mix of diverse SES and ethnic groups.  The dental hygienist’s responsibilities include managing the clinic that provides dental and dental hygiene treatment for the children, training hospital staff in the daily oral care of hospitalized children,  serving as a resource to the hospital staff, conducting oral hygiene educational programs for clinic patients and their parents, and supervising the distribution of self-care fluoride products.  The effectiveness of the educational programs is evaluated by comparing pre-test and post-test scores of knowledge and oral health behavior of the clinic patients.   Answer questions #28-31 The primary role of the public health dental hygienist in this scenario is to provide direct patient treatment.  The dental hygienist’s role in this program is primarily coordination, training, and serving as a resource that fulfills the role of the public health hygienist. 

24) Which of these is hydrophobic?A) Cl-    B) K+    C) Water    D) Glucose    E) Fat

22) ________ differ from one another in their number of neutrons and atomic mass.          A) Electrolytes B) Cations C) Anions D) Isotopes

17) The study of how hormones function is called ________.A) endocrinologyB) pathophysiologyC) neuroanatomyD) histologyE) neurophysiology

11) Which of the following lists levels of human structure from the most complex to the simplest?A) Organelle, cell, tissue, organ, organ systemB) Organ system, organ, cell, tissue, organelleC) Organ, organ system, tissue, cell, organelleD) Organ system, organelle, tissue, cell, organE) Organ system, organ, tissue, cell, organelle

10) An ________ is composed of two or more tissues types, whereas ________ are microscopic structures in a cell.A) organ; moleculesB) organelle; moleculesC) organ; organellesD) organ system; organellesE) organ system; organs

19) Sodium has an atomic number of 11 and an atomic mass of 23. Sodium has ________.A) 12 neutrons and 11 protonsB) 12 electrons and 11 protonsC) 12 electrons and 11 neutronsD) 12 protons and 11 electronsE) 12 protons and 11 neutrons

9) Stereoscopic vision provides ________. A) color perception B) bipedalism C) opposable perception D) depth perception E) opposition of thumbs

Ellen is pregnant and tells Janet, one of her coworkers, that she is scheduled to get a fetal sonogram. Janet expresses alarm and warns Ellen about the danger of exposing a fetus to X-rays. Discuss why you think Janet’s concern is warranted of unwarranted. 

26) In a workout your muscle cells produce lactate, yet you maintain a constant blood pH because ________.    A) endothelial cells secrete excess H+ to prevent a decrease in pHB) the respiratory system removes excess H+ from the blood before the pH is loweredC) metabolic acids are neutralized in muscle cells before released into the bloodD) metabolic bases are produced at the same rate by muscle cells to neutralize the acidsE) the body contains chemicals called buffers that resist changes in pH