Vitamin A is of particular interest to contraceptive technology because
a. it is essential for normal ovarian function.
b. it is necessary for vision and while this is not only our dominant sense, it is also essential for sexual arousal in most men.
c. sperm cannot swim without vitamin A in semen.
d. it is an important component of embryonic development.
e. sperm production cannot occur without it.
e. sperm production cannot occur without it.
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Vitamin A is necessary for _____.
a. resistance to infection, night vision, bone and soft tissue growth, and healing of wounds b. synthesis of amino acids, RBCs, and lipid metabolism c. cellular metabolism, normal teeth, gums, and bones, iron absorption, promotes wound and bone fracture healing, and is considered to be an antioxidant d. maintenance of normal nerves and muscles; regulating the absorption and metabolism of calcium and phosphorus
Which of the following sensory organs is not for balance?
A) cochlea B) semicircular canal C) utricle D) saccule
Xerophthalmia is also known as ________ eyes syndrome
Fill in the blank(s) with correct word
The costal surface of the lungs presses against which body part?
A. Mediastinum B. Diaphragm C. Sternum D. Liver E. Rib cage