The pathway from the lungs, through the left side of the heart and out the aorta to the body tissues is called the
A. coronary circulation.
B. systemic circuit.
C. hepatic-portal system.
D. pulmonary circuit.
Answer: B
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Damage to the muscle called the levator ani would result in
A. difficult urination. B. difficult defecation. C. inability of a male to have an erection. D. decreased support for the pelvic viscera. E. difficult defecation and decreased support for the pelvic viscera.
In which of the following types of blood vessels is blood pressure NOT pulsing?
1. Arteries 2. Capillaries 3. Arterioles 4. Venules a) 1 only b) 2 only c) 3 only d) 4 only e) Both 2 and 4
Label component "D" of the reflex arc.
A. Motor neuron B. Sensory receptor C. Sensory neuron D. Effector organ E. Interneuron
Cervical and lumbar enlargements are wide points in the spinal cord marking the emergence of motor nerves.
Answer the following statement true (T) or false (F)