Which mineral is an important component of hemoglobin, helps to regulate cell growth, and prevents anemia?
A. selenium
B. iron
C. fluoride
D. calcium
Answer: B
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Chest pain that is caused by restricted blood flow to the heart is:
A) angina pectoris. B) angiostenosis. C) cardiac arrest. D) flutter.
Which of the following statements regarding an undescended testicle is NOT true?
a. It is also called cryptorchism. b. It occurs before birth. c. It occurs in only one testicle, never two. d. An orchiopexy may be required to correct the condition.
When a person dives into cold water, the mammalian diving reflex may play a part in:
A) the recovery of any traumatic head injury. B) the development of shock. C) survival after prolonged submersion. D) the development of hypothermia.
Berry-shaped (spheroidal) bacteria:
a. staphyl/o b. pneum/o c. -cele d. strept/o e. -cocci