What is the pH of a solution with a [H+]=1X10-7 mol/L?
A) 2
B) 7.4
C) 6
D) 7
E) 8.2
D
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________ = respiratory rate × (tidal volume - anatomic dead space)
A) Vital capacity B) Respiratory minute volume C) Pulmonary ventilation rate D) Alveolar ventilation rate E) External respiration rate
The statement "Its postganglionic axons always use acetylcholine as the neurotransmitter" is
A) true only for the parasympathetic nervous system. B) true only for the sympathetic nervous system. C) true for both the parasympathetic and sympathetic nervous systems. D) not true for either the parasympathetic or sympathetic nervous systems. E) true only for the somatic nervous system.
Which of the following is not a part of the pelvis?
A) sacrum B) coccyx C) coxal bone D) lumbar vertebrae E) pubic symphysis
A mechanoreceptor in the papillary layer of the dermis that responds to fine touch is a
A) tactile (Merkel) disc. B) root hair plexus. C) free nerve ending. D) Bulbous corpuscle. E) tactile (Meissner) corpuscle.