Contraction of the muscle that is attached to the radial tuberosity results in
A) flexion of the forearm.
B) extension of the forearm.
C) abduction of the forearm.
D) adduction of the forearm.
E) rotation of the shoulder.
Answer: A
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The pattern of synaptic connectivity where a large number of presynaptic neurons provide input to a single postsynaptic neuron, is known as
A) integration. B) potentiation. C) saltatory conduction. D) divergence. E) convergence.
An eight-year-old boy comes home from school feeling feverish and complaining of a sore and swollen throat and cheeks. What common childhood disease might he have contracted? If he must have this disease, why is it better for him to have it this year than ten or more years later and what other complications can this disease cause?
What will be an ideal response?
Which statement is correct?
a) During external respiration, equilibrium is reached for O2 when the partial pressure for O2 in the pulmonary capillaries and the alveoli are the same. b) During external respiration, oxygen is unloaded from the blood. c) During internal respiration, carbon dioxide is unloaded from the blood. d) The greater the available surface area the lower the amount of gas exchange during internal respiration.
What structure is a component of the renal corpuscle?
A) collecting duct B) papillary duct C) nephron loop D) glomerulus