A student nurse asks a nurse how atropine (Atropair) increases heart rate. What is the nurse's best response?
A. Blocking the beta receptors of the parasympathetic nervous system
B. Directly stimulating the sympathetic nervous system
C. Potentiating the effects of acetylcholine on nicotinic receptors
D. Blocking the effects of acetylcholine by occupying muscarinic receptors
Answer: D
You might also like to view...
A woman expecting to pick her husband up at the airport has instead just been told that he has been killed in an airplane crash. Crisis counselors are present to help loved ones cope with the sad and sudden news
Which response by the counselor would be most appropriate to make next? a. State, "I will stay with you," and allow for a period of silence so she can process the news of her loss. b. Ask, "What would help you in this difficult time? Would you like to speak with a chaplain?" c. Ask, "Is there is someone who's supportive, who can take you home and spend time with you over the next few days?" d. State, "We realize this is very sudden and unexpected and very upsetting. The airline is committed to helping you in this difficult time.".
A female client with a history of breast cancer who is entering menopause is seeking information about how to manage hot flashes. What information can be provided to the client?
1. Estrogen is the only reliable method of treatment for hot flashes. 2. Olive oil and black cohosh are effective in the management of hot flashes. 3. The client should be advised that she will have to wait until menopause has finished for the hot flashes to cease. 4. Soy and black cohosh can be used to manage the hot flashes associated with menopause.
The client is receiving oxygen by nonrebreather mask, but the bag is not deflating on inspiration. What action should be taken by the nurse?
1. Turn the client to the left side. 2. Increase the percentage of oxygen being delivered. 3. Check for an airtight seal between the client's face and the mask. 4. Increase the liter flow of oxygen being delivered.
MS is characterized by remissions and exacerbations. What happens to the myelin during
each of these phases? What will be an ideal response?