Which of these fetal presentations is the easiest for vaginal birth?:
a. complete breech
b. vertex occiput anterior
c. frank breech
d. vertex occiput posterior
Ans: b. vertex occiput anterior
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Answer the following statements true (T) or false (F)
1. One of the differences between how the endocrine system and nervous system control body functions is the more rapid communication of the nervous system. 2. There are two types of cells in the nervous system, neurons and glia cells. 3. An axon transmits impulses toward the cell body. 4. Neurons can be classified based on the direction in which they transmit impulses. 5. Motor neurons conduct impulses toward the central nervous system.
Which of the following hormones is NOT produced by the placenta?
A) relaxin B) human placental lactogen (hPL) C) luteinizing hormone D) human chorionic gonadotropin (hCG) E) progesterone
Which of the following descriptions best fits the acid-base disorder respiratory acidosis?
A) consequence of hyperventilation, for example in fever or mental illness B) consequence of prolonged vomiting C) consequence of reduced alveolar ventilation, for example due to emphysema D) consequence of tissue hypoxia, for example in ischemic conditions
Voluntary motor signals typically begin in an upper motor neuron in the thalamus.
Answer the following statement true (T) or false (F)