Which of the following is true about the effects of aging on the lymphatic system?
A. The hypersensitivity response will increase causing allergies to become worse.
B. T cell production will decrease.
C. B cell production will decrease.
D. T cell production will increase.
Answer: B
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If a person's body temperature gets too high, the body will respond by decreasing its temperature to restore homeostasis. What are some of the body's homeostatic responses to decrease body temperature? (
a. blood vessels constrict, sweating increases b. blood vessels are not affected but sweating decreases c. sweating decreases, shivering increases d. shivering increases e. blood vessels dilate, sweating increases
The function of the hepatic portal circulation is to ________.
A) carry toxins to the venous system for disposal through the urinary tract B) collect absorbed nutrients for metabolic processing or storage C) distribute hormones D) return glucose to the general circulation when blood sugar is low
The deltoid is responsible for __________.
A. adducting the arm B. abducting the arm C. extending the humerus D. medially rotating the humerus
What is the basic function of all muscle tissue?
A) produce voluntary contractions B) stabilize joints C) generate muscle tension D) regulate body temperature