Downers - Labetalol Flashcards

1
Q

What is the typical IV push dose range for Labetalol in adults?
(Select all that apply)

A. 1-5 mg q5 min
B. 5-20 mg q10 min
C. 25-50 mg q15 min
D. 50-100 mg q10 min

A

B. 5-20 mg q10 min

Corn PACU:
Use rapid acting meds - Labetalol 5 - 25mg. Hydralyzine 5 - 10mg, Metoprolol 1 - 5mg.

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2
Q

Which of the following accurately describes the mechanism of action (MOA) of Labetalol?
(Select 2)

A. Selective alpha-1 blockade
B. Nonselective beta blockade
C. Selective beta-1 blockade
D. Nonselective alpha blockade

A

A. Selective alpha-1 blockade
B. Nonselective beta blockade

MOA: selective alpha 1 blockade with nonselective beta blockade (ratio of 1:7 alpha/beta)

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3
Q

What is the maximum dose of Labetalol that can be administered via IV push within a specified time frame?

A. 100 mg
B. 200 mg
C. 300 mg
D. 400 mg

A

C. 300 mg

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4
Q

What is the concentration of Labetalol used for IV administration?
(Select all that apply)

A. 1 mg/mL
B. 2 mg/mL
C. 5 mg/mL
D. 10 mg/mL

A

C. 5 mg/mL

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5
Q

What is the typical duration of action for Labetalol?
(Select all that apply)

A. 1-2 hours
B. 2-4 hours
C. 6-8 hours
D. 12 hours

A

B. 2-4 hours

Onset: 1-2 minutes; duration 2-4 hours (long duration, so be patient with how much you give)

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6
Q

What is the onset time of Labetalol when administered intravenously?

A. 30 seconds
B. 1-2 minutes
C. 5 minutes
D. 10 minutes

A

B. 1-2 minutes

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7
Q

What is the half-life of Labetalol?
(Select all that apply)

A. 1 hour
B. 2.5 hours
C. 5.5 hours
D. 8 hours

A

C. 5.5 hours

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8
Q

Which processes are involved in the elimination of Labetalol from the body?
(Select 2)

A. Hepatic metabolism
B. Renal excretion
C. Fecal excretion
D. Pulmonary elimination

A

A. Hepatic metabolism
B. Renal excretion

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9
Q

Which of the following conditions is Labetalol used to treat?
(Select 2)

A. Hypertension (HTN)
B. Angina
C. Congestive heart failure (CHF)
D. Asthma

A

A. Hypertension (HTN)
B. Angina

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10
Q

What is a notable effect of Labetalol on blood pressure management?

A. Decreases systemic blood pressure without causing reflex tachycardia
B. Increases systemic blood pressure by enhancing cardiac output
C. Leads to reflex tachycardia as a common side effect
D. Maintains blood pressure while increasing heart rate

A

A. Decreases systemic blood pressure without causing reflex tachycardia

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11
Q

What condition is a contraindication for the use of Labetalol?
(Select all that apply)

A. Hypertension (HTN)
B. Angina
C. Congestive heart failure (CHF)
D. Myocardial infarction

A

C. Congestive heart failure (CHF)

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12
Q

Which of the following precautions should be taken when administering Labetalol?
(Select 3)

A. Labetalol crosses the placenta.
B. Labetalol significantly affects uterine blood flow.
C. Labetalol should be used cautiously in pregnant patients.
D. Labetalol does not impact uterine blood flow.

A

A. Labetalol crosses the placenta.
C. Labetalol should be used cautiously in pregnant patients.
D. Labetalol does not impact uterine blood flow.

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13
Q

Which of the following statements about Labetalol’s side effects is correct?
(Select 2)

A. Labetalol can cause orthostatic hypotension
B. Skin tingling is a side effect of Labetalol.
C. Orthostatic hypotension is not a known side effect of Labetalol.
D. Labetalol does not typically cause skin-related side effects.

A

A. Labetalol can cause orthostatic hypotension
B. Skin tingling is a side effect of Labetalol.

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