The series of involuntary muscular contractions by which food moves through the digestive tract is called:

Which of the following is true for homologous chromosomes?

With stem cell research and assisted reproductive technologies more people are having embryos frozen.  Discuss the technology behind how these embryos were made.    What are some of the ethical issues created when embryos are frozen?

Individuals with the same phenotype

#2 _______ #5 _______ #7 _______ #8 _______ #9 _______ #10 _______ #12 _______ #13 _______ #16 _______ #20 _______ #21 _______ #22 _______ #23 _______ Each blank answer space has a number to the left of it.  You may need to look at the line above to see the number (the question formatted in a weird way), but the number to the left of each blank space corresponds to a number on the diagram.

The larynx is located at the top of the trachea.

Valves prevent the blood from flowing back.

Which of the following about the villi and microvilli (in the small intestine) is not true?  They…

The ED nurse is caring for a client who has been brought in by ambulance after sustaining a fall at home. What physical assessment finding is suggestive of a lateral basilar skull fracture?

A patient admitted with heart failure appears very anxious, complains of shortness of breath and as a rapid respiratory rate. Which nursing actions would be appropriate to alleviate this patient’s anxiety and dyspnea? Select all that apply.