Which of the following statements about toxoplasmosis is FALSE?
A) It is caused by a protozoan.
B) The reservoir is cats.
C) It is transmitted by the gastrointestinal route.
D) It is a severe illness in adults.
E) It can be congenital.
D
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Which muscle group is composed of mainly slow-twitch (type I) fibers?
A. Deltoid muscle of the shoulder B. Rectus muscles that move the eye C. Erector spinae muscles of the back D. Small muscles of the hand
The transmission cycle of Fasciola hepatica differs from the cycles of Opisthorchis sinensis and Clonorchis sinensis in that
A. encystment occurs on a freshwater plant. B. freshwater snails release cercariae. C. eggs are released from an infected human via the urine. D. helminth development occurs in the liver.
The leaf of a plant is
A. a molecule. B. an organism. C. an organ. D. an organelle. E. a cell.
Replacement-level fertility requires a total fertility
rate of a. 2.0 b. 2.1 c. 2.4 d. 2.6 e. 2.8