Which statement is accurate concerning drugs classified as adrenergic antagonists?
1. They are also known as anticholinergics.
2. Their actions will block the neurotransmitter acetylcholine.
3. Their actions are the opposite of those of sympathomimetics.
4. They will stimulate the sympathetic nervous system.
3
Rationale 1: They are also known as sympatholytics.
Rationale 2: They block adrenergic receptors, not cholinergic receptors.
Rationale 3: Adrenergic antagonists inhibit the actions of the sympathetic nervous system.
Rationale 4: Adrenergic antagonists inhibit the actions of the sympathetic nervous system.
Global Rationale: Adrenergic antagonists inhibit the actions of the sympathetic nervous system. They are also known as sympatholytics. They block adrenergic receptors, not cholinergic receptors.
You might also like to view...
The nurse is teaching a group of parents about the role of testosterone in puberty for boys
To evaluate the group's understanding, the nurse asks, "What physiologic effects related to testoste-rone can you expect to see in your sons?" Which of the following responses indicates an under-standing of the role of testosterone in male puberty? (Select all that apply.) a. "It promotes skeletal muscle growth." b. "It increases height and weight." c. "It delays epiphyseal closure." d. "It causes a high-pitched voice." e. "It causes acne."
The nurse is advised that a patient diagnosed with hyperthyroid crisis will be admitted from the emergency department. The nurse prepares to care for a patient with which possible conditions?
1. Atrial fibrillation 2. High fever 3. Heart failure 4. Constipation 5. Agitation
A client diagnosed with post-traumatic stress disorder is demonstrating signs of increased arousal. Which of the following did the nurse most likely assess in this client?
1. Sleep disturbance 2. Crying 3. Irritability 4. Angry outbursts 5. Exaggerated startle response 6. Sleeping
The nurse suspects that a pregnant client is experiencing effects to the gastrointestinal system because of elevated progesterone levels. What did the nurse assess to make this clinical determination? Select all that apply
1. Nausea 2. Bloating 3. Diarrhea 4. Vomiting 5. Constipation