As well as flexing the knee, the sartorius also .
a. extends and medially rotates the hip joint
b. adducts the thigh
c. flexes and laterally rotates the hip joint
Answer: c. flexes and laterally rotates the hip joint
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The motor cortex is activated by a widespread pattern of neuronal discharge known as the:
a. activation potential b. threshold potential c. readiness potential d. sensori-motor potential e. autonomic potential
Which of these is NOT part of a cell?
A. Plasma membrane B. Cytoplasm C. Nucleus D. Protozoa
When water is lost, but electrolytes are retained,
A) the osmolarity of the extracellular fluid falls. B) osmosis moves water from the intracellular fluid to the extracellular fluid. C) both the extracellular fluid and the intracellular fluid become more dilute. D) there is an increase in the volume of the intracellular fluid. E) None of the answers is correct.
Each immunoglobulin (Ig) has ________ antigen-bonding site(s)
A) four B) two C) one D) three E) six