John tells you that cholesterol is bad and should be eliminated from the diet. You explain to him that cholesterol is important. Which of the following hormones are synthesized from cholesterol?
A) testosterone
B) thyroxine
C) oxytocin
D) growth hormone
A
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The diaphragm muscle separates the ________ from the ________
A) pleural cavity; mediastinum B) thoracic cavity; abdominopelvic cavity C) pericardial cavity; pleural cavity D) abdominal cavity; pelvic cavity E) pericardial sac; pericardial cavity
We lack awareness of many of our bodies' systems for maintaining homeostasis. The sensations, movements, and secretions of organs such as the heart and intestines are governed by the
A. autonomic nervous system. B. somatic nervous system.
Many of the muscles in the anterior compartment of the forearm work to ________ the wrist, and they have their proximal attachment on the ________ epicondyle of the humerus.
A. flex, lateral B. extend, lateral C. flex, medial
What structure vibrates back and forth when sound waves strike it?
a) cochlea b) pinna c) tympanic membrane d) organ of Corti e) vestibulocochlear nerve