STUDY QUESTIONS, PRACTICE TEST AND
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,The nurse should monitor for which adverse effect after A. Digoxin toxicity
administering hydrochlorothiazide [HydroDIURIL] and digoxin
[Lanoxin] to a patient? Digoxin levels have an inverse relationship with potassium levels. Because
hydrochlorothiazide can lower potassium levels, combined use of hydrochlorothiazide
A. Digoxin toxicity and digoxin poses a risk for elevated digoxin levels and ensuing digoxin toxicity.
B. Decreased diuretic effect
C. Dehydration
D. Heart failure
The nurse is caring for a patient with heart failure who needs a C. Spironolactone [Aldactone]
diuretic. Which agent is likely to be chosen, because it has
been shown to greatly reduce mortality in patients with heart Spironolactone is a potassium-sparing diuretic used to treat both hypertension and
failure? edema. It is a preferred drug in heart failure, because it has been shown to have a
cardioprotective effect, reducing mortality in patients with heart failure.
A. Furosemide [Lasix]
B. Hydrochlorothiazide [HydroDIURIL]
C. Spironolactone [Aldactone]
D. Mannitol [Osmitrol]
The nurse is reviewing the home medication list with the A. Hypertension
patient. The nurse recognizes that hydrochlorothiazide is used
primarily for which condition? The primary indication for hydrochlorothiazide is hypertension, a condition for which
thiazides are often the drugs of first choice. Hydrochlorothiazides are used for the other
A. Hypertension conditions, but the primary indication is hypertension.
B. Edema
C. Diabetes insipidus
D. Protection against postmenopausal osteoporosis
,The nurse is teaching a patient who has a new prescription for C. "I will call my doctor if I begin having menstrual irregularities."
spironolactone [Aldactone]. Which statement by the patient
indicates that the teaching was effective? Spironolactone is a potassium-sparing, aldosterone-blocking diuretic. As such, it can
cause endocrine effects, such as gynecomastia, menstrual irregularities, impotence,
A. "I will use salt substitutes to lower my sodium intake." hirsutism, and deepening of the voice. Patients taking spironolactone should avoid salt
substitutes because they contain potassium, and high-potassium foods should be
B. "I will increase my intake of foods that are high in avoided with this drug. Ideally, all diuretics should be taken in the morning to prevent
potassium." nocturia.
C. "I will call my doctor if I begin having menstrual
irregularities."
D. "I will take this medication at bedtime each evening."
The nurse knows that diuretics mostly affect which function of A. Cleansing and maintenance of extracellular fluid volume
the kidneys?
Most diuretics block sodium and chloride reabsorption, thus affecting the maintenance of
A. Cleansing and maintenance of extracellular fluid volume extracellular fluid volume.
B. Maintenance of acid-base balance
C. Excretion of metabolic waste
D. Elimination of foreign substances
The healthcare provider orders mannitol 72 gm infusion over C. 3 gm
24 hours. The nurse plans to set the infusion pump for how
many grams per hour? To infuse 72 grams over 24 hours, divide 72 by 24 for the total per hour. 72 divided by 24
equals 3 grams per hour.
A. 1 gm
B. 2 gm
C. 3 gm
D. 4 gm
, The nurse plans to closely monitor for which clinical C. Decreased blood pressure
manifestation after administering furosemide [Lasix]?
High-ceiling loop diuretics, such as furosemide, are the most effective diuretic agents.
A. Decreased pulse They produce more loss of fluid and electrolytes than any others. A sudden loss of fluid
can result in decreased blood pressure. When blood pressure drops, the pulse probably
B. Decreased temperature will increase rather than decrease. Lasix should not affect respirations or temperature. The
nurse should also closely monitor the patient's potassium level.
C. Decreased blood pressure
D. Decreased respiratory rate
The healthcare provider orders furosemide [Lasix] 20 mg IV C. 2 mL
twice daily. The medication available is furosemide [Lasix] 10
mg/mL. How many mL will the nurse administer with each The healthcare provider has ordered 20 mg of furosemide [Lasix], which is available in 10
dose? mg/mL. Multiply 10 mg/mL by 2 to equal 20 mg/2 mL. The nurse will administer 2 mL of
furosemide to equal 20 mg with each dose.
A. 0.5 mL
B. 1 mL
C. 2 mL
D. 4 mL
Which of the following statements about mannitol [Osmitrol] A. Mannitol cannot be given orally, B. Mannitol can cause edema, and D. Diuresis begins
are correct? Multiple answers in 30 to 60 minutes after administration.
Select all that apply.
Mannitol does not diffuse across the GI epithelium and cannot be transported by the
A. Mannitol cannot be given orally. uptake systems that absorb dietary sugars. Accordingly, to reach the circulation, the drug
B. Mannitol can cause edema. must be given parenterally. Diuresis begins in 30 to 60 minutes and persists 6 to 8 hours.
C. Mannitol can cause renal failure. Mannitol can leave the vascular system at all capillary beds except those of the brain.
D. Diuresis begins in 30 to 60 minutes after administration. When the drug exits capillaries, it draws water along, causing edema. Mannitol is use in
E. Mannitol is a loop diuretic. prophylaxis of renal failure. Mannitol is an osmotic diuretic, not a loop diuretic.