The effect of the sympathetic nervous system on the heart is to _______
A) increase the heart rate
B) decrease the heart rate
C) decrease the heart rate and decrease the force of contraction
D) increase the heart rate and increase the force of contraction
Answer: D) increase the heart rate and increase the force of contraction
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Which of the following is the first process to occur as the flow of lymph enters a lymph node?
A) It is always from the inner tissues toward the exterior, as the incoming vessels enter the node and pass to its center prior to releasing their flow of lymph. B) It passes through a network lymphoid cells. C) It occurs from efferent lymphatic vessels through the nodal tissues to afferent lymphatics. D) It always triggers the activation of the immune response; if no infectious agents are present lymph is channeled around the nodes rather than through them. E) All of the answers are correct.
The heart utilizes glucose almost exclusively for energy production
Indicate whether the statement is true or false
What is the function of the pectoral and pelvic girdles?
What will be an ideal response?
Short-loop negative feedback occurs when hormones from the ______________ inhibit hormone secretion by the ______________
A. hypothalamus; anterior pituitary B. adrenal cortex; hypothalamus C. anterior pituitary; hypothalamus D. adrenal cortex; anterior pituitary E. anterior pituitary; adrenal cortex