Factors that can cause congenital malformations by affecting an embryo during its
periods of rapid growth and development are called teratogens.
Indicate whether the statement is true or false
TRUE
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In the bony fish, all heart chambers are contractile except the
A) Sinus venosus. B) Atrium. C) Ventricle. D) Bulbus arteriosus.
The location of the palatine tonsil in the oral cavity is
A) under the tongue on both sides. B) inferior to the lingual frenulum. C) posterior to the raphe. D) between the palatoglossal and palatopharyngeal arches. E) superior to the uvula.
Which of the following is not true of veins?
a. Blood drains into them from venules. b. They carry blood back to the heart. c. They have a thicker tunica media than do arteries. d. Their innermost layer is called the tunica intima.
Carbon dioxide has a relatively high solubility in blood plasma although it has a very low partial pressure. What law describes this phenomenon?
A) Boyle's law B) Henry's law C) Dalton's law D) Charles' law