If the AV node does not receive action potentials generated by the SA node,
A) the ventricles will beat faster.
B) the ventricular rate of contraction will not be affected.
C) the stroke volume will increase.
D) tachycardia will occur.
E) it will establish a heart rate of 40-60 bpm.
E) it will establish a heart rate of 40-60 bpm.
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What is the release of an egg from the ovary called?
A. Orgasm B. Ovulation C. Thelarche D. Menarche E. Puberty
Where is the keratinized form of stratified squamous epithelium found in the body?
A. The anal canal B. The epidermis of the skin C. The lining of the oral cavity D. The lining of the esophagus E. The vagina
Which of the following is an example of a negative feedback system?
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All of the following are changes due to age-related decreases in endocrine secretions, except
A. decrease in muscle mass. B. decrease in bone mass. C. change in sleeping patterns. D. increased susceptibility to infection. E. inability to regulate blood glucose levels.