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SCENARIO A (will be used for multiple questions) You patient Tom is recovering from an UE injury. Upon goniometric assessment, you note the following active values: Elbow flexion = 125 degrees Elbow extension = 2 degrees Forearm pronation = 10 degrees Forearm supination = 12 degrees Wrist flexion = 35 degrees Wrist extension = 45 degrees One of Tom’s goals is to return to full restaurant serving duty which requires that he carry trays loaded with food and beverages, with his palm & tray at shoulder height (as pictured below). Assuming his limitations are due to muscular tightness, which of the following muscles should receive the greatest emphasis during stretching exercises? Select all that apply. waiter with tray.png

The representative molecule QX4 is being studied by researchers and the information about elements Q and X is below. How many grams of QX4 would contain 2.61 x 1024 molecules of QX4 (use the information provided)? 

Given A has 5 valence electrons and X has 7 valence electrons, which is the X-A-X bond angle in AX3? 

Consider the following molecules below and determine which of the following statements are true or false.  BrF3          BeCl2            SiF4        KrF2           BH3  Two of the molecules have an incomplete octet [1] Two of the molecules have an expanded octet [2] Two of the molecules have an odd number of electrons  [3]

Given A has 5 valence electrons and X has 7 valence electrons, which is the molecular shape/geometry of AX3?   

Determine if the following molecules are polar or non-polar SeO2 is [1] IF5 is [2] CH2I2 is [3]

Determine if the following compounds are named correctly The correct name for NaNO3 is sodium nitrate [1] The correct name for PbBr2 is lead bromide [2] The correct name for P4O6 is phosphorous hexaoxide [3]

Given A has 5 valence electrons and Z has 7 valence electrons, which is the Z-A-Z bond angle in AZ3? 

 Use the molecular orbital diagram below, of a hypothetical diatomic molecule X2, to answer the following statements.   What is true about electrons in the molecular orbitals shown?   1. There are 8 electrons in bonding molecular orbitals  2. There are 8 electrons in the antibonding molecular orbitals  3. There are 12 electrons in the bonding molecular orbitals    Is the molecule stable or unstable?   4. The molecule is stable  5. The molecule is unstable     Is the molecule paramagnetic or diamagnetic?   6. The molecule is paramagnetic  7. The molecule is diamagnetic 

About 200 years ago, a small group of people settled in a relatively remote area in Venezuela called Lake Maracaibo. One of the original settlers, a female, had 10 children but also was a carrier for Huntington’s disease. Now, this population has a very high frequency of Huntington’s disease, much higher than the general population. This situation is an example of