Which of the following is LEAST involved in pulmonary circulation?

Place the following in correct sequence from the formation of a drop of urine to its elimination from the body. 

Which, if any, of the following observations are consistent with the effect of purifying selection, and which, if any, are consistent with the effect of positive selection? A) Human populations that are accustomed to high-starch diets have  higher copy numbers of the α-amylase gene (amalyse is an enzyme that breaks down starch) than human populations with a low starch diet. . [A] B) Telomere DNA sequences in all vertebrates have tandem TTAGGG repeats. [B] C) Humans show very high levels of heterozygosity at the classical HLA loci. [C] D) Human calmodulin and an ortholog in Drosophila each have 149 amino acids and differ at just four amino acid positions. [D]

A physician writes an order for ampicillin 1 gram every 6 hours for a client. The nurse knows what is missing in this order?

An older adult male client is admitted to the cardiac ICU after suffering a heart attack. Upon taking a history after the client is stable, the nurse charts that he weighs over 275 lb (123.75 kg), has a history of heart disease in his family, suffers frequent stress at work, drinks alcohol daily, and smokes two packs of cigarettes daily. What are some modifiable risks factors for this client that has attributed to his heart attack? (Select all that apply.)

A nurse researching a diet for a client with diabetes includes foods that supply energy to the body.  Which of the following are classes of nutrients that supply this energy? (Select all that apply.)

After failing a nursing exam, the nursing student states, “That exam is written terribly.” What coping strategy would the nursing instructor identify?

A client has not had a bowel movement for 4 days and has been prescribed milk of magnesia 1.5 teaspoons orally as needed for relief of constipation. How many milliliters will the nurse administer (round the answer to the nearest tenth)?

A primary health-care provider orders 2 liters per minute (lpm) oxygen for a client.  Which type of oxygen device should the nurse use when implementing this order?

The nurse prepares to administer a parenteral medication. When withdrawing medication from a glass ampule, which action by the nurse is best?