An electrically neutral molecule has the formula C3H4O2N. If the carbon atoms form the usual number of bonds, how many covalent bonds will each hydrogen atom have with other atoms in the molecule?
What will be an ideal response?
Answer: 1
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The lymphatic circulation is a( n ) _____ system. Select one:
a. open b. closed c. one-way d. none of the choices
Which of the following is a normal response to the plantar reflex test in an infant?
A) plantar flexion of the foot B) slight flexion of the forearm C) extension of the great toe and spreading of the other toes D) slight extension of the forearm
A nurse is caring for a patient who exhibits the following symptoms:
(1) inability to maintain balance while walking (2) normal intelligence (3) can initiate voluntary movements although they are somewhat uncoordinated. (4) decreased tone in the skeletal muscles The patient is probably suffering from a condition that affected the A. midbrain. B. cerebellum. C. basal ganglia. D. cerebral cortex. E. brainstem.
In response to high blood pressure, stretch receptors called ________ in the walls of arteries carrying blood to the head, will trigger a reflex that causes the heart to ________ its beats per minute
A) chemoreceptors; increase B) baroreceptors; decrease C) proprioceptors; increase D) baroreceptors; increase E) proprioceptors; decrease