Vitamin B12 deficiency can cause a bleeding tendency because of incomplete activation of vitamin B–dependent clotting factors
a. True
b. False
Indicate whether the statement is true or false
False
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Of the four "normal" heart sounds, the initial "lubb" sound is heard when the
A. foramen ovale closes. B. semilunar valves open. C. AV valves open. D. AV valves close. E. semilunar valves close.
Which structure is formed by the union of the duct from the seminal vesicle and the ampulla of the vas deferens?
a) Urethra b) Spermatic cord c) Inguinal canal d) Ejaculatory duct e) Prostate
What are the three types of muscle tissues in the human body? What are the two common functions of muscles?
What will be an ideal response?
The ________ glands are the functional portion of the mammary glands which produce milk due to stimulation by the hormone ________.
A. lactiferous; oxytocin B. lactiferous; prolactin C. alveolar; prolactin D. alveolar; oxytocin