What is the pacemaker that sets the rate of the heartbeat?
A. The SA node
B. The AV node
C. The atrioventricular bundle
D. The vagus nerve
E. The subendocardial conducting network
Answer: A
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Which process is not used to move substances out of a cell?
A. Exocytosis B. Phagocytosis C. Active transport D. Simple diffusion E. Facilitated diffusion
Which of the joints shown in the figure is classified as a biaxial joint?
a) B b) C c) D d) E e) More than one selection is correct
The knee is an example of which type joint?
A. fibrous B. synarthroses C. synovial D. amphiarthroses
Which of the following statements concerning the uterus is true?
A. The inferior portion is the cervix. B. The isthmus separates the body and the fundus. C. The fundus forms the major portion of this organ. D. The uterine wall is composed of four layers. E. The cervical canal is in the superior portion of the uterus.