The carotid and aortic sinuses contain pressoreceptors that detect changes in BP.
A. TrueA. True
The arteries provide peripheral resistance, which dependson parasympathetic impulses.
If BP decreases as a result of hemorrhage, heart rate will increase and more vasoconstriction will occur.
BP is regulated by the vasomotor center in the medulla.

The renin-angiotensin mechanism prevents kidney damage by lowering BP if it becomes too high.
B. FalseB. False
Question 11
8 out of 8 points
Match the lymph nodes and nodules with their proper locations and functions.
Question
Correct
Match
Selected
Match
Below the epithelium of all mucous membranes
B.
Lymph
nodules
B.
Lymph
nodules
Along the pathways of lymph vessels.
A.
Lymph
nodes
A.
Lymph
nodes
Major paired groups include cervical and inguinal
A.
Lymph
nodes
A.
Lymph
nodes
In the pharynx, they are called tonsils
B.
Lymph
nodules
B.
Lymph
nodules
Destroy pathogens in the lymph from the
extremities before the lymph is returned to the
blood
A.
Lymph
nodes
A.
Lymph
nodes
Plasma cells produce antibodies that will enter the
blood
A.
Lymph
nodes
A.
Lymph
nodes
Destroy pathogens that penetrate mucous
membranes
B.
Lymph
nodules
B.
Lymph
nodules
Plasma cells produce antibodies that act locally in
mucous membranes
B.
Lymph
nodules
B.
Lymph
nodules
Question 12Needs GradingReference Figure 14-3: State the seven major PAIRED groups of lymph nodes. Why are these nodes located in or near the head and extremities?

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- Spring '16
- wimsatt