Examchief78

PCCN Exam 1 with Questions and Answers There are _____ layer of the heart. A. 6 layers B. 5 layers C. 4 layers D. 3 layers ANSWER B. 5 layers The 5 layers of the heart from the outside in are the pericardium, epicardium, myocardium, endocardium and the cardiac skeleton. Mr. Key has a regular heart rate of 80 beats per minute. The pacemaker of the heart is likely the: A. AV node B. Bundle of HIS C. endocardium D. SA node ANSWER D. SA node The SA node generates impulses of 60-1...

PCCN Test with Questions and Answers The MOST sensitive indicator of change in the neurological function of an alert patient is: A. Pupil changes B. Disorientation C. Unresponsiveness D. Changes in behavior ANSWER B. Disorientation The nurse is assessing a patient with tachycardia, cool clammy skin, decreased urine output, tachypnea, and altered mental status. The patient is MOST LIKELY experiencing: A. Cardiogenic shock B. Left-sided heart failure C. Right-sided heart failure D. H...

PCCN 1.2 Exam with Questions and Answers Discharge education for a patient after a percutaneous coronary intervention (PCI) with transradial access should include: a. "Do not play tennis for 1 week." b. "Do not take a tub bath for 1 week." c. "It is normal to feel some numbness and tingling in the hand." d. "It is normal to feel some intermittent chest pain for about a week." ANSWER a Which of the following findings would occur in dilated cardiomyopathy? A. M...

PCCN Neurological Exam with Questions and Answers The most sensitive indicator of changes in intracranial pressure in the unresponsive patient is: a. A change in pulse pressure b. A change in pupillary response c. Blood glucose levels d. Response of the cranial nerves ANSWER a. A change in pulse pressure In patient who are unresponsive, the second physical assessment sign to change is the pulse pressure: the systolic pressure raises, the diastolic drops and the patient's heart rate ...

PCCN Exam with Latest Questions and Answers Two days following a near-drowning accident, a pt is dyspneic, using accessory muscles, expectorating large amounts of secretions and reporting feeling of impending death. Changes to the assessment data include RR- 24 TO 36 CXR clear to bilateral diffuse infiltrates ABG 40% face mask or 100% non-rebreather mask pO2 120 mm Hg to 56 mm Hg pCO2 33 mmHg to 56 mmHg pH 7.42 to 7.35 HCO3 24 meq/L to 27 mEq/L Which of the ff do these changes most ...

PCCN Endocrine Exam with Questions and Answers Imbalances in which of the following hormones will MOST DIRECTLY impact fluid balance: A. Aldosterone and cortisol. B. Thyroxin and ADH. C. Aldosterone and ADH. D. Cortisol and epinephrine. ANSWER C. Aldosterone is a mineral corticoid that regulates extracellular fluid volume by increasing reabsorption of sodium and chloride, which causes water to be retained. Aldosterone is released by the adrenal cortex through activation of the renin angio...

PCCN Exam with Questions and Answers Coronary artery perfusion is dependent upon: A. diastolic pressure B. systolic pressure C. afterload D. systemic vascular resistance (SVR) ANSWER A. diastolic pressure Diastolic pressure in the aortic root is higher than left ventricular end-diastolic pressure (LVEDP), the pressure exerted on the ventricular muscle at the end of diastole when the ventricle is full. This enables blood to flow from a higher pressure through open arteries to a lower pres...

CCRN Renal Exam 2 with Questions and Answers A 24-year-old man has been diagnosed with acute kidney injury as a result of severe hemorrhaging after a motor vehicle collision. Which of the following would be expected laboratory values for this patient? A. Low urinary osmolality, high urinary sodium concentration B. High urinary osmolality, high urinary sodium concentration C. Low urinary osmolality, low urinary sodium concentration D. High urinary osmolality, low urinary sod...

CCRN Exam 2 with Questions and Answers A patient with an inferior wall MI and right ventricular infarction develops tachycardia and hypotension. what would be the best initial treatment for hypotension? a. nitro gtt b. dopamine gtt c. dobutamine d. fluid boluses ANSWER D which of the following complications would the rn assess for after an arteriogram? a. impaired renal function b. acid base imbalance c. elevated liver enzymes d. incr MAP ANSWER A a pt experiencing ST segment el...

CCRN Respiratory Exam with Questions and Answers What is indicative of a massive pulmonary embolism? (A) fever, purulent sputum, hypoxemia (B) hypoxemia, hypotension, increased alveolar dead space (C) hypoxemia, shunt, decreased surfactant production (D) hypoventilation, wheezing, air trapping ANSWER (B) A pulmonary embolism results in increased alveolar dead space; hypoxemia and hypotension are present when the pulmonary embolism is massive. Choice (A) is indicative of pneumonia. Choic...