Which of the following are networks of capillaries that produce cerebrospinal fluid and are found in the walls of the ventricles of the brain?
a) Choroid plexuses
b) Lateral apertures
c) Interventricular foramina
d) Brachial plexuses
e) Aqueduct of the midbrain
a
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Clonus often accompanies a ______ reflex after damage has occurred to the brain
A. cremaster B. pupillary C. hypoactive D. hyperactive
Which of the following is NOT a correct matching of a fetal structure with what it becomes at birth?
A) foramen ovale?fossa ovalis B) ductus venosus?ligamentum venosum C) ductus arteriosus?ligamentum teres D) umbilical arteries?medial umbilical ligaments
In the last step of blood coagulation,
a. fibrin is converted to fibrinogen. b. fibrinogen is converted to fibrin. c. platelet factor enter numerous reactions. d. prothrombin is converted to thrombin. e. thrombin is converted to prothrombin.
The hormone called the hormone of pregnancy, maintaining uterus liniing and inhibiting the uterine contractions, is:
A) hCG. B) relaxin. C) placental lactogen. D) progesterone. E) luteinizing hormone.