A researcher isolates an unknown tripeptide. To identify the sequence, the researcher adds trypsin which cleaves off a glycine residue and leaves a dipeptide. Following that, he adds chymotrypsin to the dipeptide which releases an unknown amino acid. The researcher evaluates the identity of this unknown amino acid via UV spectroscopy and finds that it absorbs around 280 nm. Which of the following is a possible sequence of the tripeptide?

Compared to hemoglobin, myoglobin:

A weightlifter is doing bicep curls with heavy weights over a long period of time causing lactic acid build-up due to an increased metabolic rate in his biceps. Which of the following is true in this scenario?

A patient with a history of diabetes presents to the ER in a coma. Blood tests show that the patient’s blood pH is 6.6. Knowing that the pK value of carbon dioxide-bicarbonate system is 3.6, what is the ratio of bicarbonate to CO2 in his blood?

The nurse is administering a short-acting bronchodilator via nebulizer. Which client response during the nebulizer treatment indicates that the nurse should stop the treatment?  

The nurse recognizes that the following clients are at risk for developing a pulmonary embolism. (Select all that apply)

The nurse is assisting the client who is to have a right thoracentesis. Which position will the nurse assist the client into?

The nurse is assessing a client’s lung sounds. Which nursing intervention is most appropriate?

A client is receiving oxygen via simple face mask. On assessment the nurse finds the client cyanotic and with labored respirations. Which action does the nurse prioritize?

The recently extubated client is exhibiting stridor. What action will the nurse take?