When a muscle is stimulated, which of the following is released from the sarcoplasmic reticulum?
a. Sodium
b. Acetylcholine
c. Calcium
d. Potassium
C
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Which of the following is one the three primary functions of the uterus?
a. Site for cyclic discharge of blood fluid b. Site of fetus nourishment and protection during pregnancy c. Organ to expel the fetus during labor d. All of the above
A condition in which a person exhibits abnormal behavior but is able to function within the normal boundaries of reality is known as:
a. a psychosis. b. schizophrenia. c. a neurosis. d. a behavioral emergency.
A patient has experienced partial- and full-thickness thermal burns to the anterior chest, abdomen, and arms in an industrial accident. Which action would be appropriate in the care of this patient?
A) Cool the burns with water and cover the burns with a sterile, dry burn sheet B) Cool the burns with water on scene and during rapid transport to the emergency department C) Cool the burns with water and then cover the burns with saline-soaked dressings soaked in sterile water D) Cool the burns on scene and apply ice packs to the burned areas during transport
You have been called for a 4-year-old female who is short of breath. Her mother informs you that she has had a fever and runny nose for two days and today began to have difficulty breathing. Furthermore, the mother is having a difficult time waking her daughter up. You find the girl lying in bed with snoring respirations despite use of the head-tilt, chin-lift airway maneuver. Your assessment reveals her to be responsive to painful stimuli and breathing at 12 times per minute with minimal chest and abdominal rise and fall. Her skin is warm to the touch with cyanosis around the lips. Your partner informs you that her heart rate is 124 beats per minute. What is your immediate action in caring for this child?
A) Positive pressure ventilation B) Suctioning the airway C) Application of a nonrebreather face mask and oxygen D) Insertion of a nasal airway