As discussed in lecture, anxiety can be both adaptive (i.e., helpful) and nonadaptive (i.e., psychopathological). Describe the Yerkes-Dodson curve and apply to to a real-world situation in which anxiety is present (2 points). Explain how low, medium/moderate, and high levels of anxiety would affect one’s performance in that situation (3 points), and why performance is expected to be optimal at medium/moderate levels of anxiety (2.5 points).

Match each phase symbol with its meaning.

In the equation 2 H2 + O2 → 2 H2O, which substance is the product?

A balanced chemical equation contains the same number and type of atoms on both sides of the arrow.

Calculate the dosages, use labels where provided. Round answers to the nearest tenth. How many milligrams of Diltiazem are contained in 2.5 mL? mg

The nurse is reviewing a patient’s medical record and notes that the patient is in a coma. Using the Glasgow Coma Scale, which number indicates that the patient is in a coma?

Calculate the following dosage. Round mL answers to the nearest tent. Order: Clindamycin 0.475 g IV q12hAvailable: How many mL will you prepare for administration? mL  

Calculate the dosages, use labels where provided, and shade in the dosages on the syringe where provided. Round answers to the nearest tenth unless otherwise indicated.Order: Dexamethasone 25 mg IV statAvailable: How many milliliters will you prepare to administer? mL

An IV medication of 50 mcg in 200 mL is ordered to infuse over 2 hr. The safe dosage range is 1.5 to 3 mcg/kg/hr. The child weighs 5.7 kg. Determine the dosage range per hour in mcg/hr.  Based off the ordered dose and the safe dosage range calculated above, is it safe to administer this medication? True- Yes, the medication is safe to administer as it falls within the safe range of mcg/hr.  False- No, the medication is not safe to administer as it falls outside of the safe range of mcg/hr. 

Refer to the diagram of the syringes provided to answer the following questions.The nurse needs to administer 31 units of Humulin Regular U-100. Indicate the correct syringe the nurse should choose to accurately withdraw the dosage. Syringe A: Syringe B: