Polyspermy is
A) when fertilization involves more than one sperm.
B) when multiple sperm release hyaluronidase concurrently.
C) the movement of millions of sperm through the female reproductive tract.
D) the clinical term for an adequate sperm count (more than 20 million per ejaculate).
E) the process that follows capacitation and enables sperm to bind to sperm receptors.
A) when fertilization involves more than one sperm.
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The trigeminal nerve
A) transmits motor information only through its ophthalmic and maxillary branches. B) provides sensory information only from the mandibular region. C) has motor neurons that originate on the pons. D) is the smallest of the cranial nerves. E) None of the answers are correct.
Which of the following is NOT a function of the heart?
A. Providing a location for gas exchange between oxygen and carbon dioxide B. Routing blood to either the pulmonary circulation or the systemic circulation C. Generating blood pressure through contraction D. Regulating blood supply to tissues depending on need
At equilibrium, how do particles in solution move in response to diffusion?
a. The net movement of solute stops. b. The particles themselves stop moving. c. They move from areas of high concentration to areas of low concentration. d. They move from areas of low concentration to areas of high concentration.
Cutting and separating tissues to reveal their structural relationship is called _____________
a. laterization. b. neural induction. c. corticalization. d. dissection.