Author: Anonymous

Q37. Answer the questions for the following rhythm.   The rhythm is [answer1]. The rate is [answer2]. Are there P waves present? [answer3] Are there R waves (QRS complex) present? [answer4] Is there a P wave to every QRS complex? [answer5] What is the length of the PR interval? [answer6]

Which of the following traits is a symplesiomorphy relative to the monophyletic clade containing tuna, salamander, turtle, and leopard according to the tree depicted below?

A patient is admitted to the emergency department for the treatment of a drug overdose causing acute respiratory acidosis. Which substance noted on the toxicology report is the most likely cause for the current diagnosis?

List the five structures found in ALL chordates.

This organism is in subphylum [subphylum] and is a member of phylum [phylum].    

    Shown here are five water molecules interacting with one another (as demonstrated by the dashed lines).  What type of chemical bond causes water molecules to be attracted to each other?        

The common ancestor of a clade of hummingbirds had a long, straight bill and most of its descendants share this trait (black circles).  However, two of its descendants possess short, curved bills (white circles).    What kind of trait is indicated by the white circles?

Briefly describe one way in which Deuterostomes and Protostomes differ in their development. (Make sure to specify which trait corresponds with which group).

Problems Prepare the problems below using Excel. Upload the workbook using the link. 1. (18 points) Xavior Sales Corporation, a merchandising company, reported total sales of $2,615,000 for May. Variable selling expenses were $99,400, fixed selling expenses were $53,600, variable administrative expenses were $124,500, and fixed administrative expenses were $138,400. The cost of merchandise purchased during the month was $1,687,500. The beginning balance in the merchandise inventory account was $238,300, and the ending balance was $244,000. In addition to the above costs, sales salaries and commissions were $37,900 plus 8% of sales. Required:  a. Prepare a contribution format income statement for May. b. Prepare a traditional format income statement for May. 2. (6 points) Electrical costs of one of Reifel Corporation’s factories are listed below: Machine- Electrical Hours Cost March 271 $5,786 April 290 $5,889 May 310 $6,054 June 269 $5,746 July 243 $5,497 August 267 $5,698 September 284 $5,811 October 249 $5,538 November 264 $5,662 Management believes that electrical cost is a mixed cost that depends on machine-hours. Required:  a. Estimate the variable cost per machine-hour and the fixed cost per month using the high-low method. Show your work. Round the variable cost per unit to the nearest cent and the fixed cost to the nearest whole dollar. b. Express these costs as a formula in the format y = mx + b. c. Using the formula derived above, estimate the electrical cost when machine-hours in a month are 280. Round to the nearest dollar. Show your work.

At a sales volume of 28,000 units, Thoma Corporation’s sales commissions (a cost that is variable with respect to sales volume) total $358,400. To the nearest whole dollar, what should be the total sales commissions at a sales volume of 27,200 units? (Assume that this sales volume is within the relevant range.)