Which of the following drugs is a thiazide diuretic?
a. hydrochlorothiazide
b. propranolol
c. timolol
d. furosemide
a. Hydrochlorothiazide is a thiazide-type diuretic that acts in the distal tubule of the kidney to inhibit sodium chloride (NaCl) reabsorption back into the blood. This allows an increased level of sodium in the tubule, which holds water, resulting in increased urination.
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Which of the following is the proper position for maintaining the airway in a child with a decreased level of consciousness?
A) Flexing the neck to place the chin on the chest; placing a folded towel under the back of the head if necessary B) Placing the head and neck in a neutral position; using a folded towel under the shoulders if necessary C) Using a cervical collar to keep the chin elevated D) Hyperextension of the neck; placing a pillow under the back if necessary
Protection of the patient during laser surgery would include ________
A. wet towels C. matte-finish metal airways B. protective eyewear D. both A and B
The job responsibility of the electrocardiograph (ECG) technician is to
A. attach electrodes to the patient's scalp and connect them to a recording instrument. B. record the electrical impulses reaching the heart muscles. C. examine specimens of human body tissues and fluids. D. prepare and administer radioactive drugs and operate radiation detection instruments.
A 9-month-old male has had numerous episodes of vomiting and diarrhea. On assessment, the infant is listless. He has unlabored tachypnea; absent radial pulses and weak brachial pulses; and cool, mottled extremities. This infant is experiencing:
A: respiratory failure with decompensated shock. B: acute gastroenteritis with compensated shock. C: moderate dehydration with compensated shock. D: severe dehydration with decompensated shock.