An adult patient with an abnormal respiratory rate should:
A) be given oxygen at 4 L/min with a nasal cannula.
B) be assessed immediately for heart rate abnormalities.
C) be evaluated for other signs of inadequate ventilation.
D) receive ventilatory assistance with a bag-mask device.
Answer: C) be evaluated for other signs of inadequate ventilation.
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Answer the following statement(s) true (T) or false (F)
1. Excitable cells respond to outside stimuli by means of changes in plasma membrane shape. 2. Smooth and cardiac muscles are under involuntary control. 3. Dendrites in a neuron send outgoing signals to other cells. 4. The duct of an endocrine gland leads into the bloodstream rather than onto an epithelial surface. 5. Scar tissue helps to hold an organ together but does not restore normal function of the damaged tissue.
What inner ear structure detects acceleration and deceleration movements of the head?
A. Auditory ossicles B. Maculae C. Spiral organ D. Scala vestibule E. Cupulas
The sternocleidomastoid and trapezius muscles are innervated by which cranial nerve?
A) VII B) XI C) XII D) X E) IX
Which of the following are TRUE of class I major histocompatibility complex (MHC) molecules?
A) Class I MHC molecules are only present on erythrocyte surfaces. B) Class I MHC molecules present exogenous antigens. C) Class I MHC molecules bind complement. D) Class I MHC molecules present endogenous antigens.