which symptoms are serious adverse effects of beta-adrenergic blockers such as propranolol (inderal)?

1. Headache, hypertension, and blurred vision.

2. Wheezing, hypotension, and AV block.

3. Vomiting, dilated pupils, and papilledema.

4. Tinnitus, muscle weakness, and tachypnea. - CORRECT ANSWER B. Wheezing, hypotension, and AV block.

2. represents the most serious adverse effects of beta-blocking agents. AV block is generally associated with bradycardia and results in potentially life-threatening decreases in cardiac output. Additionally, wheezing secondary to bronchospasm and hypotension represent life- threatening respiratory and cardiac disorders. (A, C, and D) are not associated with beta- blockers.

The healthcare provider prescribes naloxone (Narcan) for a client in the emergency room. Which assessment data would indicate that the naloxone has been effective? The client's...

A. Statement that the chest pain is better

2. respiratory rate is 16 breaths/minute.

3. seizure activity has stopped temporarily.

4. pupils are constricted bilaterally. - CORRECT ANSWER B.

Naloxone (Narcan) is a narcotic antagonist that reverses the respiratory depression effects of opiate overdose, so assessment of a normal respiratory rate (B) would indicate that the respiratory depression has been halted. (A, C, and D) are not related to naloxone (Narcan) administration.

A client has myxedema, which results from a deficiency of thyroid hormone synthesis in adults. The nurse knows that which medication should be contraindicated for this client?

1. liothyronine (cytomel) to replace iodine

2. Furosemide (Lasix) for relief of fluid retention

3. Pentobarbital sodium for sleep