The internal urethral sphincter is the ________ located at the ________ in males.
A. skeletal muscle; distal end of the urethra
B. smooth muscle; junction of the urinary bladder and the urethra
C. skeletal muscle; junction of the urinary bladder and the urethra
D. smooth muscle; distal end of the urethra
Answer: B
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Which type of membrane does not open to the exterior, does not contain glands, but does secrete fluid?
A. Synovial B. Cutaneous C. Gobletal D. Mucous E. Serous
Which of the following represents an accurate analogy of dual innervation?
A. A remote control that can increase and decrease the volume of a television B. The water tank refilling when a toilet has been flushed C. An HVAC system that warms a cool room or cools a hot room D. Both "An HVAC system that warms a cool room or cools a hot room" and "A remote control that can increase and decrease the volume of a television" are correct.
Immunoglobulins that are found on the surface of B cells and that may activate antibody production are
A) IgA. B) IgD. C) IgE. D) IgG. E) IgM.
ACTH controls both DHEA and cortisol secretion
Indicate whether the statement is true or false