This figure shows a cross section of the spinal cord. What structure does number 4 indicate?
A. Posterior median sulcus
B. White commissure
C. Lateral funiculus
D. Anterior median fissure
E. Anterior funiculus
Answer: D
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When muscles on opposite sides of a joint develop tension, what determines the direction of joint movement?
A. muscle strength B. muscle flexibility C. net torque D. none of the above
Henry has a cut on his thigh that becomes infected. The lymph nodes in his __________
enlarge. A) thoracic region B) cervical region C) supratrochlear region D) inguinal region
Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation channels in the motor end plate, bringing about depolarization of the motor end plate
Indicate whether the statement is true or false
David has been feeling tired lately, and after having blood work completed, it shows elevated TSH, low iodine, and low thyroid hormone levels. Predict the possible cause from the choices below
A. David could possibly have a thyroid tumor. B. David may have iodine deficiency that is causing his thyroid to produce too little thyroid hormone. C. David could have a pituitary gland tumor. D. Too little information is given to determine the cause.