Place the following parts of a reflex arc in the correct order beginning with the sensory receptor. (1) motor neuron (2) interneuron (3) effector (4) sensory neuron (5) sensory receptor
A. 5, 1, 2, 3, 4
B. 5, 3, 2, 4, 1
C. 5, 4, 3, 2, 1
D. 5, 2, 3, 4, 1
E. 5, 4, 2, 1, 3
E
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After a particularly bad forearm break, a person loses motor function and feeling in their 4th and 5th phalanges, along with the side of the hand directly above these fingers. Which nerve(s) has/have been damaged?
A. The obturator nerves B. The axillary nerve C. The musculocutaneous nerves D. The ulnar nerve
Hyperparathyroidism
A. causes bulging eyes and goiters. B. is detected by low blood calcium ion concentration. C. is most often caused by injury. D. is most often caused by a tumor.
Which of the following is not true about a positive Babinski reflex?
A) normal in newborns B) abnormal in adults C) a sign of injury to descending spinal tracts D) causes you to close your eyes when you sneeze E) causes flaring of the toes when the sole is stroked
The formation of a pocket of the plasma membrane to bring in solid materials is called
A. pinocytosis. B. phagocytosis. C. facilitated diffusion. D. exocytosis.