Which of the following is NOT a function of smooth muscle?
A. Causing "goose bumps" in response to cold temperature or fear
B. Changing the size of the pupil when the lighting conditions change
C. Peristalsis in visceral organs such as the small intestine and ureters
D. Pumping of the blood through the heart
E. Causing the movements associated with airflow
Answer: D
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Which of the following carries oxygen-poor blood to the lungs from the heart?
A. The great cardiac vein B. The superior vena cava C. The pulmonary arteries D. The pulmonary veins E. The coronary sinus
Physiologic jaundice occurring in newborns results from ________
A) bone marrow disorders B) accumulation of destroyed fetal red blood cells C) a diseased gallbladder that needs to be removed D) erythrocyte mutations E) vitamin deficiencies
Damage to the semilunar valve on the right side of the heart would affect blood flow to which vessel?
A) pulmonary trunk B) aorta C) pulmonary veins D) superior vena cava E) inferior vena cava
Which of the following is a sympathetic effect?
A. constriction of the pupils of the eyes B. constriction of the bronchioles in the lungs C. contraction of the urinary bladder D. increased heart rate E. increased gastric secretions