A child is having tests done to determine parathyroid function. The clinic nurse knows that the parathyroid hormone (PTH) regulates the homeostasis of what in the serum?
a. Sodium
b. Calcium
c. Potassium
d. Magnesium
ANS: B
The parathyroid glands secrete PTH. Along with vitamin D and calcitonin, PTH regulates the homeostasis of serum calcium concentrations.
You might also like to view...
Order: Titrate Levophed 2-12 mcg/min Available: Levophed 4 mg in 500 mL D5W The IV is infusing at 30 mL/hr. What is the dosage infusing at this flow rate? _______________
a. 4 mcg/hr b. 30 mcg/min c. 4 mcg/min d. 240 mcg/min
Which antihypertensive medication is contraindicated in patients who have chronic obstructive pulmonary disease (COPD) and asthma?
a. Propranolol (Inderal): beta-adrenergic re-ceptor blocker b. Hydrochlorothiazide (HydroDIURIL): diuretic c. Diltiazem (Cardizem): calcium antagonist d. Captopril (Capoten): ACE inhibitor
Which nursing intervention should be included in the nursing plan of care for a patient with hepatic impairment and hypochloremia?
A) Administer ammonium chloride. B) Discontinue a loop diuretic and change to another class of drug. C) Infuse a hypotonic saline solution. D) Encourage intake of low-chloride foods.
To remove a rigid contact lens from a client's eye, the nurse would first:
A. Use a lens suction cup B. Squeeze the upper and lower lids together C. Slide the lens onto the white of the eye and pinch it off D. Draw the skin of the outer eye taut and ask the client to blink