Which of the following factors would MOST likely produce a falsely normal pulse oximetry reading?

A) Carboxyhemoglobin
B) Peripheral vasodilation
C) A dimly lit environment
D) Heart rate above 120 beats/min


Answer: A) Carboxyhemoglobin

Anatomy & Physiology

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Which type of bone cell has a ruffled border and secretes acids?

A. Osteoblast B. Osteocyte C. Osteoclast D. Osteochondral progenitor cell

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The PNS is

A. Somatic and Autonomic B. Potential and Graded potential C. Brain and Spinal Cord D. None of the above

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Select the incorrect association

a. adrenal medulla/vasopressin b. anterior pituitary/adenohypophysis c. epinephrine/catecholamine d. insulin/polypeptide e. posterior pituitary/neurohypophysis

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The location of conscious thought processes and the origin of all complex intellectual functions is the

A. hypothalamus. B. cerebrum. C. pons. D. corpus callosum. E. cerebellum.

Anatomy & Physiology