Which type of blood vessel has the thickest, most muscular walls?
A. Capillaries
B. Arterioles
C. Veins
D. Arteries
Answer: D
Anatomy & Physiology
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The thickest myocardium is in the
A. right atrium. B. right ventricle. C. left atrium. D. left ventricle.
Anatomy & Physiology
Vasoconstriction is the result of the contraction of smooth muscle of the
A) Tunica intima. B) Tunica media. C) Tunica externa. D) Tunica lumena.
Anatomy & Physiology
Which of these effectors is not directly controlled by the autonomic nervous system?
A) smooth muscle B) cardiac muscle C) skeletal muscle D) most glands
Anatomy & Physiology
All, health care workers must have current certification in which of the following??
A) ?CPR (cardiopulmonary resuscitation) B) ?ALS (advanced life support) C) ?PALS (pediatric advanced life support) D) ?EKG (electrocardiogram) interpretation
Anatomy & Physiology