Changes in the external and internal environment are ________ that are detected by the sensory system.
A. sensations
B. transducers
C. receptors
D. stimuli
E. adaptations
Answer: D
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Within the red pulp of the spleen are enlarged capillaries called _________, which have a discontinuous basal lamina that allows blood cells to enter and exit easily
A. splenic cords B. trabecular vessels C. splenic vessels D. splenic sinusoids E. trabecular cords
Which statement about malnutrition-induced night blindness is most accurate?
A) The impaired vision is caused by reduced cone function. B) Visual pigment content is reduced in cones more than rods. C) Vitamin supplements can reverse degenerative changes. D) The most common cause is vitamin D deficiency.
Which gives the correct order for the structures through which newly formed urine is transported once it leaves the nephron?
A. Collecting duct - collecting tubule - papillary duct - minor calyx B. Minor calyx - collecting tubule - collecting duct - papillary duct C. Collecting tubule - papillary duct - minor calyx - collecting duct D. Collecting tubule - collecting duct - papillary duct - minor calyx E. Papillary duct - collecting tubule - collecting duct - minor calyx
Which of the following is NOT true about the EEG (electroencephalogram)?
A. The EEG is a field potential generated by the activity of large numbers of neurons. B. During epileptic seizures, the EEG remains normal. C. An evoked potential is a change in the EEG in response to a stimulus. D. Alpha and beta EEG patterns are seen in awake individuals. E. The EEG rhythm slows during drowsiness and sleep.