NURSES LABS MIDTERMS Flashcards
The three primary elements that determine the pressure in the cardiovascular system are heart rate, stroke volume, and:
A. Baroreceptors
B. Peripheral resistance
C. Renin-Angiotensin-Aldosterone System (RAAS)
D. All of the above
- Answer: B. Peripheral resistance.
Untreated hypertension can result to which of the following:
A. Stroke
B. Renal failure
C. Loss of vision
D. All of the above
D. All of the above
A student nurse was asked to take the blood pressure of a patient in the emergency room. The BP reads 140/90 mmHg. She would be correct to say that this BP belongs to ____________ classification.
A. Normal
B. Elevated
C. Stage 1 Hypertension
D. Stage 2 Hypertension
D. Stage 2 Hypertension
- Which of the following medications will decrease the therapeutic effects of quinapril (Accupril)?
A. NSAIDs
B. Allopurinol
C. Antacids
D. All of the above
A. NSAIDs.
A patient receiving nitroprusside begun manifesting headache, distant heart sounds, imperceptible pulses, and shallow breathing. The nurse knows that these are signs of?
A. Reflex tachycardia
B. Hypothyroidism
C. Cyanide toxicity
D. Severe alteration of blood pressure
C. Cyanide toxicity.
The primary treatment for heart failure (HF) is ___________.
A. Increasing the heart rate so the heart can pump more blood
B. Decreasing the heart rate so the heart can rest
C. Increasing contractility so the heart will be able to pump more blood
D. Decreasing contractility to prevent muscle fatigue
C. Increasing contractility so the heart will be able to pump more blood.
The most common cause of HF is ______________.
A. Hypertension
B. Valvular heart diseases
C. Cardiomyopathy
D. Coronary artery disease (CAD)
D. Coronary artery disease (CAD)
Digoxin was prescribed to a patient with ventricular tachycardia. What should the nurse do?
A. Administer the drug as ordered.
B. Discuss the order with the doctor.
C. Discontinue other intravenous medications before administering digoxin.
D. Count apical pulse for one full minute before administering.
B. Discuss the order with the doctor.
What is the antidote for digoxin intoxication?
A. Diphenhydramine
B. Atropine sulfate
C. Digoxin immune fab (Digibind, DigiFab).
D. Phosphodiesterase inhibitors
C. Digoxin immune fab (Digibind, DigiFab).
An infant who is receiving cardiac glycosides has an apical pulse of 80 beats per minute. Which is the best nursing intervention for this assessment finding?
A. Administer drug as ordered.
B. Withdraw the drug and notify doctor.
C. Assess apical pulse every hour for the next five hours.
D. Decrease drug dose and administer.
B. Withdraw the drug and notify doctor.
What signals the novice nurse that intravenous milrinone was combined to furosemide in management of patients with heart failure?
A. Presence of bubbles
B. Pink discoloration of the solution
C. Formation of precipitates
D. No obvious sign. Solution is clear.
C. Formation of precipitates
What is the therapeutic level for digoxin?
A. 0.5-2 ng/mL
B. 1.5-2 ng/mL
C. 0.5-1.5 mg/mL
D. 0.5-2 mg/mL
A. 0.5-2 ng/mL.
In severe cardiac glycoside toxicity, all of the following should be in the bedside, except _________.
A. Lidocaine
B. Phenytoin
C. Calcium channel blocker
D. A and B only
C. Calcium channel blockers.
Type of angina which involves spasm of the blood vessels
A. Stable angina
B. Pre-infarction angina
C. Unstable angina
D. Prinzmetal angina
D. Prinzmetal angina.
Contraction and relaxation in each cardiac cycle is controlled by:
A. autonomic nervous system
B. the heart
C. cranial nerves
D. central nervous system
B. the heart.
All of the following can cause arrhythmia, except:
A. acidosis
B. respiratory depression
C. hyperkalemia
D. none of the above
D. None of the above.
Verapamil and diltiazem belong to which class of antiarrhythmics?
A. Class IV
B. Class III
C. Class Ia
D. Class II
A. Class IV
The conduction system of the heart include the following:
A. Sinoatrial node
B. Bundle of Purkinje
C. His Fibers
D. Atriomyocardial node
A. Sinoatrial node.
The phase of cardiac muscle cell action potential characterized by calcium entering the cell and potassium leaving the cell.
A. Phase 1
B. Phase 2
C. Phase 3
D. Phase 4
B. Phase 2.
Beta-adrenergic blockers belong to which class of antiarrhythmics?
A. Class Ia
B. Class Ib
C. Class II
D. Class IV
C. Class II.
Which class of antiarrhythmics blocks potassium channels?
A. Class Ia
B. Class IV
C. Class Ib
D. Class III
D. Class III.
This is the preferred antiarrhythmic in Advanced Cardiac Life Support protocol.
A. ibutilide (Corvert)
B. propranolol (Inderal)
C. procainamide (Pronestyl)
D. amiodarone (Cordarone)
D. amiodarone (Cordarone)
What is the difference between Class Ia and Ib antiarrhythmics?
A. Ia depresses phase 0 and Ib depressed phase I.
B. Ia shortens the duration of action potential and Ib prolongs the duration of action potential.
C. Ia prolongs the duration of action potential and Ib shortens the duration of action potential.
D. Ia extremely slows down conduction and Ib has no effect on conduction.
C. Class Ia prolongs duration of action potential and Ib shortens the duration of action potential.
A patient who is receiving quinidine should avoid the following foods, except:
A. skim milk
B. broccoli
C. Both A and B
D. none of the above
C. Both A and B
The drug of choice for treatment of supraventricular tachycardia associated with Wolff-Parkinson-White syndrome.
A. adenosine
B. verapamil
C. digoxin
D. lidocaine
A. adenosine.
Lipid levels of individuals with coronary artery disease (CAD) is usually high. All of the following are factors of CAD, except:
A. Men
B. Gout
C. Untreated Chlamydia infections
D. None of the above
D. None of the above.
Antihyperlipidemic agent that is used to decrease plasma cholesterol levels.
A. HMG-CoA reductase inhibitors
B. Phosphodiesterase inhibitors
C. Bile acid sequestrants
D. Cholesterol absorption inhibitor
C. Bile acid sequestrants
A pregnant woman needs a lipid-lowering agent. What would be the best class of lipid-lowering agent for pregnant women?
A. HMG-CoA reductase inhibitors
B. Bile acid sequestrants
C. Cholesterol absorption inhibitors
D. Phosphodiesterase inhibitors
B. Bile acid sequestrants.
The only statin with outcome data to show effectiveness in decreasing CAD and incidence of myocardial infarction.
A. atorvastatin (Lipitor)
B. simvastatin (Zocor)
C. pravastatin (Pravachol)
D. fluvastatin (Lescol)
C. pravastatin (Pravachol)
Which of the following medical conditions will render antihyperlipidemics ineffective?
A. biliary obstruction
B. diabetes mellitus
C. both A and B
D. none of the above
A. biliary obstruction.
This drug works on the brush border of the intestines.
A. ezetimibe
B. pitavastatin
C. gemfibrozil
D. colestipol
A. ezetimibe
- A patient who is taking a bile acid sequestrant complains of abdominal distention and nausea. What should the nurse do?
A. Document, withdraw drug, and notify doctor.
B. Provide comfort measures.
C. Prepare emergency equipment at bedside.
D. Dismiss the complaint.
B. Provide comfort measures.
What vitamin plays a role in lowering cholesterol concentration?
A. Vitamin C
B. Vitamin E
C. Vitamin B3
D. Vitamin B2
C. Vitamin B3
When should statins be taken to maximize its therapeutic effects?
A. After meals
B. During meals
C. At night
D. In the mornings
C. At night.