In order to assess voluntary movements, messages from proprioceptors in skeletal muscles and joints are forwarded to the
A. primary cortex.
B. cerebellum.
C. basal nuclei.
D. brainstem.
E. corpus callosum.
Answer: B
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The type of organic molecule that can replicate is a
A) nucleic acid. B) lipid. C) protein. D) carbohydrate.
Some people justify their smoking habit by saying that smoking calms them down. Is this justification correct physiologically?
A) Yes, because like caffeine, nicotine decreases heart rate. B) Yes, because nicotine acts very much like norepinephrine. C) No, because nicotine has a stimulatory effect on heart rate. D) No, because nicotine acts very much like acetylcholine. E) No, because smoking has no physiological effect in general.
Which of the following is NOT a function of examining surface features?
A. It helps to listen to heart, lung, and bowel sounds. B. It helps in the assessment of injection sites. C. It helps to determine locations for taking the pulse. D. It helps in the insertion of examination tubes. E. All of these are functions of examining surface features.
The ventral projection of the heart extends from T4 to T8.
a. true b. false