TMC practice exam questions with correct answers|100% verified|29 pages

TMC practice exam questions with correct answers Within one second after initiating a forced vital capacity (FVC) maneuver, a patient with normal lungs should be able to exhale what percent of the FVC? A. 35-50% of the FVC B. 50-70% of the FVC C. 70-83% of the FVC D. 84-93% of the FVC Answer c. 70-83% of FVC Simple spirometry CANNOT be used to measure the A. vital capacity B. residual volume C. tidal volume D. inspiratory reserve volume Answer b. residual volume Which of the following approaches can be used to obtain a medication history from a patient with a depressed level of consciousness or who is severely agitated? A. obtain and review the patient's past medical history B. ask the patient's nurse about the patient's prescriptions C. request that the lab run a comprehensive blood drug screen D. obtain the patient's current prescription vials from the family Answer d. obtain the patient's current prescription vials from the family Which of the following thoracic ultrasound findings is consistent with the presence of a pneumothorax? A. presence of gliding sign B. absence of A-lines C. presence of barcode sign D. presence of seashore sign Answer c. presence of barcode lines Which of the following would tend to increase insensible water loss? A. hypothermia B. bypassed upper airway C. hypoventilation D. diuretic administration Answer b. bypassed upper airway Which of the following would tend to decrease a patient's energy expenditure? A. hypothermia B. inflammation C. major trauma D. agitation/pain Answer a. hypothermia A patient has acute respiratory acidosis. You would expect the base excess (BE) to range between: A. + 6 mEq/L B. - 6 mEq/L C. +/- 2 mEq/L D. +/- 8 mEq/L Answer c. +/- 2 mEq/L Which of the following arterial blood gas results would most likely be reported for a patient who is having a mild asthma attack? A. pH = 7.31 PCO2 = 50 torr PO2 = 60 torr B. pH = 7.40 PCO2 = 50 torr PO2 = 50 torr C. pH = 7.47 PCO2 = 32 torr PO2 = 60 torr D. pH = 7.47 PCO2 = 40 torr PO2 = 50 torr Answer c. pH= 7.47 PCO2= 32 torr PO2= 60 torr The Apgar score for a normal newborn infant ranges between A. 1-4 B. 4-7 C. 7-10 D. 10-13 Answer c. 7-10 On inspection of a patient's ECG strip, you note no identifiable P waves; rapid irregular undulations of the isoelectric line; and an irregular ventricular rhythm. In addition, the precordial cardiac rate is greater than the peripheral pulse rate. The most likely problem is: A. 2nd degree (Wenckebach) heart block B. ventricular fibrillation C. atrial fibrillation D. ventricular tachycardia Answer c. atrial fibrillation In inspecting an elderly female patient, you note that her spine has an abnormal anterposterior (AP) curvature. Which of the following terms would you use in charting this observation? A. kyphosis B. scoliosis C. kyphoscoliosis D. pectus excavatum Answer a. kyphosis During auscultation of a patient's chest, you hear intermittent "bubbling" sounds at the lung bases. Which of the following chart entries best describe this finding? A. "bronchial sounds heard at lung bases" B. "wheezes heard at lung bases" C. "rhonchi heard at lung bases" D. "crackles (rales) heard at lung bases" Answer d. "crackles (rales) heard at lung bases" While assessing a patient's radial pulse, you note that the pulse feels full and bounding. Which of the following conditions would be the most probable cause of this finding? A. hypovolemia B. hypertension C. cardiovascular shock D. low cardiac output Answer b. hypertension A patient is cachexic, exhibits generalized edema and dry skin, and appears listless. The most likely problem is: A. heart failure B. Addison's disease C. renal failure D. malnutrition Answer d. malnutrition