The drug dantrolene relaxes skeletal muscle by inhibiting the release of which ions from the sarcoplasmic reticulum?
A. Sodium ions
B. Calcium ions
C. Chloride ions
D. Potassium ions
Answer: B
You might also like to view...
Which of the following is the most technically accurate definition of premature rupture of the membranes?
a. rupture of the membranes before the onset of labour a. rupture of the membranes more than 24 hours before birth b. rupture of the membranes more than 42 hours before birth c. rupture of the membranes at less than 36 hours gestational age
A patient is prescribed metronidazole (Flagyl) for treatment of C. difficile. What should the nurse include when teaching the patient about this medication?
Select all that apply. 1. Do not drink any alcohol while taking this medication. 2. Drink a minimum of 2-1/2 to 3 quarts of fluid every day. 3. Notify the healthcare provider if urine color changes to reddish brown. 4. Changes in mentation and coordination are expected when taking this medication. 5. Contact the healthcare provider if urination becomes painful when taking this medication.
A patient comes into the emergency department with a chemical burn from contact with lye. Which facts about this type of burn should guide the nurse when assessing and planning care for this patient?
Select all that apply. 1. This is an alkali burn. 2. This type of burn tends to be deeper. 3. This is an acid burn. 4. This type of burn is easier to neutralize. 5. This type of burn tends to be more superficial.
As the popularity of seeking out and engaging in online learning grows, certain factors are being realized. What new role for participants is currently trending?
A) Students are receiving higher degrees. B) Students are influencing what the course material will cover. C) Students are also becoming teachers of their peers. D) Students are remembering the material longer.