A bundle of muscle cells within a muscle belly is called a
A) myofiber.
B) muscle sheath.
C) perimysium.
D) myofilament.
E) fascicle.
E) fascicle.
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Bill wants to determine his blood type, so he takes a few drops of blood from a puncture wound in his finger and mixes it with various antisera. His blood cells agglutinate when mixed with the anti-A sera but not with the anti-B or anti-D sera. Which of
the following is not true? A) Bill could receive type A-negative blood in a transfusion. B) Bill could donate blood to an individual with type AB blood. C) Bill is Rh negative. D) Bill's plasma contains B antibodies. E) Bill's plasma contains Rh antibodies.
The penis is homologous to the __________.
A. labia minora B. mons pubis C. urethra D. vagina E. clitoris
The concentration gradient for Na+
a. favors its movement into the cell at resting potential. b. favors its movement out of the cell at resting potential. c. is maintained by the Na+-K+ pump. d. both (a) and (c) above. e. both (b) and (c) above.
The space superficial to the meninges in the spinal cord area and in which an anesthetic is injected to block pain impulses from the pelvic area is the
A) dural sinus. B) epidural space. C) subarachnoid space. D) subdural space.