A cell junction that allows movement of molecules between the cytoplasm of adjacent of cells is a:
a. desmosome
b. tight junction
c. intermediate junction
d. gap junction
Answer: d. gap junction
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a. is located at the axon hillock b. is located in the axon terminal c. contains only chemically gated channels d. conducts graded potentials to the axon e. causes action potentials to move toward the cell body and dendrites
Which of the following muscles is not a major muscle used to flex the thigh at the hip?
A. Sartorius B. Rectus femoris C. Biceps femoris D. Iliopsoas
A Pap test is used to detect ________.
A. ovarian cancer B. pregnancy C. the time of ovulation D. cervical cancer E. a prolapsed uterus
Your professor says something profoundly funny. You are tempted to laugh but because you failed to brush your teeth this morning all you can do is to manage a closed-mouth smile. What muscle are you primarily using?
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