Question 17
Sperm maturation occurs in tightly coiled tubules called the ________.
| a. |
epididymus |
b. |
vas deferens |
c. |
testes |
d. |
placenta |
Question 22
During embryonic development, a human develops three germ layers: the ectoderm, endoderm and mesoderm.
| a. | TRUE | b. | FALSE |
Question 25
Queen bees produce haploid male drones through a process called ________.
| a. |
asexual reproduction |
b. |
parthenogenesis |
c. |
regeneration |
d. |
haploidy |
Question 26
Growth factors may be given to AIDS patients in order to ________.
| a. |
increase production of white blood cells |
b. |
decrease the number of red blood cells |
c. |
produce additional clotting factors |
d. |
prevent pathogens from reproducing |
Question 27
The first step of starch digestion is performed by ________.
| a. |
the tongue mixing food with saliva |
b. |
taste buds secreting pepsin |
c. |
amylase in the saliva |
d. |
the tongue mixing food with saliva which contains amylase |
In: Biology
A story in the Wall Street Journal reveals that “Tall Workers Earn More Money”. Ron, the president of a company, wants to know whether the relationship between salary and height exists in his own company, and obtains the following data from the human resources department.
a. Calculate the correlation between salary and height, and describe the relationship between these two variables.
b. How much of the variability in salary can be accounted for by height?
c. Is there a significant correlation between salary and height?
|
Employee |
Salary (X) (in $1000s of dollars) |
Height (Y) (in inches) |
|
Max |
45 |
72 |
|
Jacob |
38 |
70 |
|
Jesse |
39 |
74 |
|
Jennifer |
33 |
60 |
|
Jeremy |
40 |
63 |
|
Brian |
36 |
68 |
|
Barbara |
42 |
67 |
|
Benny |
35 |
64 |
|
Rhonda |
47 |
77 |
|
Kelly |
45 |
69 |
|
Miriam |
37 |
67 |
|
Gloria |
34 |
66 |
|
Shirley |
42 |
70 |
|
Eden |
46 |
73 |
In: Statistics and Probability
1. Surgery and Germs Joseph Lister (5 April 1827 - 10 February 1912 and for whom Listerine is named!) was a British physician who was interested in the role of bacteria in human infections. He suspected that germs were involved in transmitting infection, and so he tried using carbolic acid as an operating room disinfectant. In 75 amputations, he used carbolic acid 40 times. Of the 40 amputations using carbolic acid, 34 of the patients lived. In the 35 amputations without carbolic acid, 19 lived. The question of interest is whether carbolic acid is effective in increasing the chances of surviving an amputation. a. Is this an experiment or an observational study? b. Are the sample sizes large enough to use the normal approximation? c. Use Minitab, R or a calculator, estimate the difference in survival rates using a 95% confidence interval and interpret your interval in context. d. Do you have any concerns about the ethics of this study?
In: Statistics and Probability
When scuba diving, it is important to come back to the surface of the water from deep dives slowly. If this does not happen, then the diver can get the “bends”. Using the information provided below, determine the moles of N2 and O2 dissolved in 7.5 L of blood at 298 K at a depth of 100.0 feet below the surface of the water and at the surface of the ocean. If the diver were to suddenly return to the surface, how many moles of N2 and O2 would “undissolve” from the blood (assume no loss of gas molecules from the system)? What volume would this amount of N2 and O2 occupy at the surface of the ocean? What would happen to a human if that volume of N2 and O2 were not expelled through the lungs? Based on your answers, explain why returning to the surface of the ocean after a deep dive is so important, and what the “bends” is. (Henry’s Law constants at 25°C K(O2) = 4.40×109 Pa, K(N2) = 8.68×109 Pa.)
In: Chemistry
Age-earnings profiles, especially those for men, tend to be very steep early on and then flatten out. According to the human-capital investment framework, this occurs because
|
on-the-job training investments have a higher payoff for younger workers. |
||
|
on-the-job training investments that lead to the acquisition of general skill will be paid for by workers in the form of lower wages. |
||
|
on-the-job training investments lead to new skills and subsequently higher wages |
||
|
All of these. |
A government policy likely to be helpful in dealing with structural unemployment is
|
a requirement that firms give employees advance notice of plant closings. |
||
|
a minimum wage law. |
||
|
an increase in unemployment insurance. |
||
|
the creation of public sector jobs. |
Employment contracts for the majority of American workers take the form of
|
formal documents precisely specifying in advance the obligations of each party |
||
|
oral agreements that can be legally enforced when necessary. |
||
|
a broad set of informal understandings between each party. |
||
|
collective bargaining agreements made between an employer and a union. |
In: Economics
1- Nursing Facility’s
2- Adult Day Care
Assume you are responsible for the management and administration of the two facilities listed above. You have to orient the newly appointed manager by providing an overview on managing long-term care. You also need to discuss the programs of the two facilities.
· What are the various multidisciplinary departments (teams) included in your facilities? Listed Above
· Who comprise the target population being served by the various programs provided by your chosen facilities?
· What are the major staffing and human resource issues faced by your chosen facilities?
· What are the significant trends in long-term care likely to impact the operation of the various programs provided by your chosen facilities, and what is your plan of action to overcome them?
· What are the various forms of cooperation and integration existing in your chosen facilities? Discuss the nature of management, financing, and quality issues related to integration and cooperation in the facilities?
In: Nursing
Whenever someone suggests that when families or guardians be financially compensated for agreeing to donate organs from a loved one (or someone in their care) who has just died, the following objection is made: If the formerly “free” organ now has a price placed upon it, then transplant operations will become more expensive. Is this an economically valid argument? Why or why not?
(The present system requires that organ donation be voluntary on behalf of individuals making donations, or the families who make the decision regarding a loved one who is about to die. Furthermore, the donation is made to a non-profit organ procurement organization, which then receives a fee when it directs the newly procured organ to the hospital where it will be used in the transplant operation.)
PLEASE KEEP IN MIND THAT THIS IS NOT A QUESTION ABOUT THE ETHICS OF SELLING HUMAN ORGANS. WE ARE DEALING WITH THE ECONOMIC ARGUMENT THAT OPPONENTS OF SUCH TRANSACTIONS HAVE BEEN MAKING. Furthermore, DO NOT ASSUME ANY ROLE OF INSURANCE OR GOVERNMENT PAYMENTS IN YOUR ANSWER.
In: Economics
Q1. Suppose you are a Development Economist working at the United Nations Development Program and you are provided with the following information:
The Human Development Report shows that the HDI of South Africa was 0.653 (and its rank was 121) and that of the Peru was 0.767 (and its rank was 82). South Africa’s per capita income (in PPP dollars) was 11,192 and that of Peru was 5,678.
Comment and explain how you will analyze these countries economic development strategies?
Q2. Briefly explain what makes the Lewis model a “development” model rather than an “economic growth” model?
Q3. During the past decade, India has invested about 22% of its GDP while China’s investment rate has been double that of India’s. India’s annual growth rate has been about 6% while that of China has been about 9%. What conclusions can you draw in terms of economic growth and development theories and models?
In: Economics
In: Accounting
Chronic kidney disease is a gradual loss of kidney function. In this assignment, you will explore this disease in more detail using the scenario below.
Scenario:
You are a healthcare provider who is preparing to meet with a
patient who has recently been diagnosed with chronic kidney
disease. You are tasked with explaining this disease and its
treatment options to your patient.
To complete this assignment, do the following:
Research this disease using a minimum of 2 source(s). You can use your textbook for one of the sources. Choose the remaining sources from the GALE Virtual Reference Library provided on the Structure and Function of the Human Body library guide page.
In a minimum of 2 pages (not counting the references page), address the following:
Explain how chronic kidney disease develops and the potential causes.
Describe the treatment options that exist.
Include a references page at the end of your document, formatted using the APA guidelines, that lists your research sources.
In: Nursing