Malaria is a disease caused by a
A. multicellular parasite.
B. bacterium.
C. virus.
D. fungus.
E. protozoan.
Answer: E
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An abnormal blind spot appearing in vision is called a(n)
A) astigmatism. B) cataract. C) scotoma. D) chalazion. E) sty.
Deciduous teeth begin to appear around 6 months of age, starting with the lower central incisors.
Answer the following statement true (T) or false (F)
Dense connective tissue that covers the ovary is called the
A) ovarian hilum. B) fibrous capsule. C) tunica vaginalis. D) broad ligament. E) tunica albuginea.
Low pH alters hemoglobin structure so that oxygen binds less strongly to hemoglobin at low PO2. This increases the effectiveness of
A) external respiration. B) internal respiration. C) carbon dioxide transport. D) hemoglobin synthesis. E) acid-base balance.