Nokea
The client on nitroglycerin complains of a headache. How does the nurse explain this?
- A. This is a normal side effect of nitroglycerin.
- B. This is an allergic reaction to nitroglycerin.
- C. This is an indication of overdose.
- D. This is a sign of heart failure.
Correct Answer: A
Rationale: The correct answer is A: This is a normal side effect of nitroglycerin. Nitroglycerin is a vasodilator that relaxes blood vessels, including those in the head, leading to headaches. The nurse should explain that this is a common and expected side effect of the medication.
B: This is incorrect because a headache from nitroglycerin is not indicative of an allergic reaction.
C: This is incorrect as a headache is not typically a sign of overdose with nitroglycerin.
D: This is incorrect as a headache from nitroglycerin is not specifically linked to heart failure.
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State the Indications and Modes of Mechanical Ventilation.
- A. Respiratory failure
- B. ARDS
- C. Both A and B
- D. None of the above
Correct Answer: C
Rationale: Mechanical ventilation is used for respiratory failure and acute conditions like ARDS.
What is a chronic condition where the heart is unable to pump blood effectively, leading to fluid buildup in the lungs and other parts of the body?
- A. Heart failure
- B. Myocardial infarction
- C. Pericarditis
- D. Pulmonary edema
Correct Answer: A
Rationale: Step 1: Heart failure is the correct answer because it is a chronic condition where the heart is unable to pump blood effectively.
Step 2: This ineffective pumping leads to fluid buildup in the lungs (pulmonary congestion) and other parts of the body (edema).
Step 3: Myocardial infarction (B) is incorrect as it is an acute condition resulting from a blockage in coronary arteries causing heart muscle damage.
Step 4: Pericarditis (C) is incorrect as it is inflammation of the pericardium, the outer lining of the heart, not directly related to heart pumping efficiency.
Step 5: Pulmonary edema (D) is incorrect as it specifically refers to fluid accumulation in the lungs, not necessarily linked to heart failure.
If Mr. Cook does not take his hydrochlorothiazide every day because it causes nocturia, it would be important to first
- A. tell him that you understand but that he must take the medicine as prescribed
- B. discuss the role of diuretics in the treatment of hypertension
- C. ascertain how much medicine he is taking as well as what time of the day he takes his diuretic
- D. encourage more potassium in his diet
Correct Answer: C
Rationale: Understanding the timing and dosage helps tailor interventions.
What test uses sound waves to create pictures of the heart, allowing doctors to see how well the heart is functioning?
- A. Echocardiogram
- B. MRI
- C. CT scan
- D. X-ray
Correct Answer: A
Rationale: The correct answer is A: Echocardiogram. An echocardiogram uses sound waves to create images of the heart, providing information on its structure and function. It helps doctors assess the heart's pumping ability, valve function, and overall health. MRI (B) uses magnets and radio waves to create detailed images but does not rely on sound waves. CT scan (C) uses X-rays to produce images and is not specific to the heart. X-ray (D) provides a basic image of the heart but lacks the detail and functionality assessment of an echocardiogram.
What is the term for the ability of cardiac cells to respond to a stimulus by initiating a cardiac impulse?
- A. Excitability
- B. Contractility
- C. Rhythmicity
- D. Conductivity
Correct Answer: A
Rationale: The correct answer is A: Excitability. Excitability refers to the ability of cardiac cells to respond to a stimulus by initiating a cardiac impulse. This process is essential for the heart to function properly. Contractility (B) is the ability of cardiac muscle to shorten forcibly when stimulated. Rhythmicity (C) refers to the heart's ability to generate a regular rhythm of contractions. Conductivity (D) is the ability of cardiac cells to transmit electrical impulses. Excitability is the most fitting term in this context as it specifically describes the response of cardiac cells to a stimulus.