Which of the following is an age-related change of the heart that affects function?
a. Stretching of myocardium due to overuse
b. Thinning of the valve flaps
c. Loss of elasticity of cardiac muscle
d. Increase in cardiac reserve
e. Fibrosis of cardiac muscle
Answer: e. Fibrosis of cardiac muscle
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A. Branch of hepatic artery B. Branch of hepatic portal vein C. Bile duct D. Branch of hepatic vein
A hormone called ________ is produced by the thyroid gland and stimulates osteoblast activity.
Fill in the blank(s) with the appropriate word(s).
Which of the following lab results would be least likely to contribute to the development of heart disease??
A) ?Total cholesterol 250 mg/dL B) ?LDL 150 mg/dL C) ?HDL 60 mg/dL D) ?Triglycerides 190 mg/dL
What cranial nerve carries information about hearing and head movement to the brain?
A) abducens nerve (CN VI) B) trochlear nerve (CN V) C) vestibulocochlear nerve (CN VIII) D) trigeminal nerve (CN IV)