Which of the following is the correct pathway of the electrical impulses of the conducting system of the heart?
A. SA node ? AV node ? AV bundle ? AV branch ? Subendocardiac conducting network
B. SA node ? AV bundle ? AV node ? AV branch ? Subendocardiac conducting network
C. SA node ? AV node ? AV branch ? AV bundle ? Subendocardiac conducting network
D. AV node ? SA node ? AV bundle ? AV branch ? Subendocardiac conducting network
Answer: A
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Answer the following statements true (T) or false (F)
1. The corpus luteum is functioning as an endocrine gland during the proliferative phase of the female reproductive cycle. 2. The release of an egg by an egg follicle is called ovulation. 3. Ovulation always occurs 14 days after the end of menses. 4. The length of the reproductive cycle varies because the time between the end of menses and ovulation varies. 5. Progesterone stimulates proliferation and vascularization of the epithelial lining of the uterus.
Fusion of the male and female pronuclei
A. occurs before ovulation. B. results in an oocyte forming. C. results in a haploid cell forming. D. restores the diploid number of chromosomes. E. results in a total of 23 chromosomes.
Which cranial nerve transmits impulses for the senses of hearing and balance?
A) oculomotor B) vestibulocochlear C) hypoglossal D) accessory E) glossopharyngeal
Capacitation makes sperm tails whip more quickly
Indicate whether the statement is true or false