Which of the following is NOT a role of estriol in parturition?
A. Produces more receptors for prostaglandins
B. Produces more gap junctions between myometrial cells
C. Produces the hormone relaxin
D. Produces more receptors for oxytocin
Answer: C
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A harmful substance that the liver produces when metabolizing fatty acids is ________.
A) urea. B) ammonia. C) rancid fatty acids. D) ketone bodies. E) beta units.
What is a reflex?
A) A reflex is a slow, calculated action triggered by a single exposure to specific stimuli. B) A reflex is a slow, calculated action triggered by repeated exposure to specific stimuli. C) A reflex is a slow, calculated action involving input from the brain triggered by specific stimuli. D) A reflex is when sensory inputs are sent quickly to the brain for analysis before any response occurs. E) A reflex is a rapid, automatic response triggered by specific stimuli.
You may have noticed that after a large meal you have had some difficulty breathing. Which explanation is most accurate with regard to this situation?
A. The food presses on the bronchi making air flow difficult. B. Oxygen to the lungs is restricted due to fullness in the stomach. C. It's just difficult to fill the lungs since blood-filled oxygen is flowing primarily to the stomach. D. A full stomach impedes contraction of the diaphragm, limiting inhalation. E. The large quantity of food retards pulmonary blood flow.
Which of the following is represented by "A"?
A. Parietal bone B. Frontal bone C. Sphenoid bone D. Temporal bone E. Occipital bone