Follicle-stimulating hormone is a
A. glycoprotein.
B. steroid.
C. monoamine.
D. oligopeptide.
A
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In an ECG pattern, the P wave is caused by
A. depolarization of atrial muscle fibers. B. depolarization of ventricular muscle fibers. C. repolarization of ventricular muscle fibers. D. repolarization of atrial muscle fibers.
Answer the following statements true (T) or false (F)
1. There are six salivary glands in the body. 2. Because salivary glands produce an enzyme, it is correct to say that digestion begins in the mouth. 3. The cardiac sphincter is between the stomach and the small intestine. 4. A weak cardiac sphincter could be the cause of gastroesophageal reflux disease (GERD). 5. About two thirds of the length of the alimentary canal is small intestine.
Which of the following is a male secondary sex characteristic?
A. The perineal raphe B. The testis C. The ductus deferens D. A deep voice E. The prostate
Which cervical vertebra is also known as the vertebra prominens?
A. C7 B. C5 C. C1 D. C4 E. C2