Explain what is meant by a blood pressure reading of 120/80 mm Hg
What will be an ideal response?
Blood pressure is reported in millimeters of mercury (mm Hg) with the higher systolic pressure (120 mm Hg) written first. The pressure reading of 120/80 translates to a systolic pressure of 120 mm Hg and a diastolic pressure of 80 mm Hg. Systolic pressure is the pressure in the arteries at the peak of ventricular contraction while diastolic pressure is the pressure in the arteries when the ventricles are relaxing.
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Male pattern baldness has a genetic switch that turns on in response to ________.
A) age B) size C) weight D) male hormones
The nose serves all of the following functions EXCEPT ________
A) cleansing the air B) warming and humidifying the air C) as a passageway for air movement D) as the direct initiator of the cough reflex
What is the function of the corpora quadrigemina?
A) They are important for the sense of taste. B) They are important for maintaining balance. C) They are reflex centers for visual and auditory stimuli. D) They are olfactory relay centers.
Sensory receptors for balance are found in the
A. pinna. B. cochlea. C. auditory ossicles. D. semicircular canals. E. auditory tube.