The clavicle articulates with all of the following except _____.
a. the acromion of the scapula
b. the cartilage of the first rib
c. the humerus
d. the manubrium of the sternum
Ans: c. the humerus
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Waking up from a deep sleep, a homeowner heard a burglar breaking the panes in his sliding glass door. What hormone made the homeowner have an increased heart rate, increased blood pressure, sweating, and a dry mouth?
A. Insulin B. Dopamine C. Estrogen D. Adrenaline
Which of the following best explains why nerve regeneration is limited in the CNS?
A. Ependymal cells attack damaged neurons B. Oligodendrocytes cannot reproduce myelin C. Microglia produce toxins that destroy myelin D. Astrocytes release chemicals that block regrowth of axons
A young boy is brought to the hospital after a bicycle accident and possible pelvic fracture. While awaiting a computed tomography (CT) scan of his pelvis, a physician proceeds with a focal neurologic examination. In testing the child's reflexes, which of the following nerves would carry afferent impulses of the cremasteric reflex?
(A) Subcostal nerve (B) Lateral femoral cutaneous nerve (C) Genitofemoral nerve (D) Iliohypogastric nerve (E) Femoral nerve
Beta-oxidation of an 18-carbon fatty acid will yield ________ acetyl CoA molecules.
A. 18 B. 6 C. 9 D. 36