Which of the following describes the excitatory postsynaptic potential?
A) moves membrane potential away from threshold
B) opens K+ or Cl- channels
C) short distance depolarization
D) short distance hyperpolarization
C
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List the sections of the small intestine as they occur between the stomach and the large intestine: 1. Ileum 2. Duodenum 3. Jejunum
A) 2, 3, 1 B) 3, 2, 1 C) 2, 1, 3 D) 3, 1, 2 E) 1, 2, 3
What is the main determinant of cardiac muscle fiber length?
a. heart rate b. systolic blood pressure c. diastolic blood pressure d. the degree of systolic filling e. the degree of diastolic filling
Which is not a function of the liver?
A. Production of bile B. Phagocytosis C. Storage of nutrients and vitamins D. Synthesis of blood plasma proteins E. All of the choices are correct.
Which of the following describes a condition where the placenta is low on the uterine wall and partially or completely blocks the cervical canal?
A. Placenta previa B. Abruptio placentae C. Preeclampsia D. Placentation E. Placenta gravida