Answer the following statements true (T) or false (F)
1. "Vasodilation" refers to a decrease in arteriole diameter.
2. The same hormone can cause vasoconstriction in some arterioles and vasodilation in others.
3. Rises in blood pressure with large increases in cardiac output are limited by decreases in total peripheral resistance.
4. A reduction in blood pressure due to hemorrhage would be expected to increase stimulation of baroreceptors.
1. FALSE
2. TRUE
3. TRUE
4. FALSE
You might also like to view...
There are three aspects of entire populations that are important and often studied. Select the best choice from the ones listed.
A. a population's range, the pattern of spacing of individuals within the range, and the size that the population attains B. a population's range, the amount of food available within the range, and the size that the population attains C. a population's range, the parental care received by each offspring within the population, and the size that the population attains D. a population's range, the size home range of an individual in the population, and the parental care expended for each offspring
The best microscope to use to view surface features
of specimens is the a. basic light microscope. b. phase contrast light microscope. c. Nomarski process light microscope. d. scanning electron microscope. e. transmission electron microscope.
Which of the following statements concerning the development of a coelom is FALSE?
a. It requires animals to have either two or three tissue layers. b. It requires the endoderm to be covered by mesoderm. c. It occurs in protostomes and deuterostomes. d. It may occur by schizocoely. e. It is a fluid-filled cavity.
Which lineage includes living members that are jawless vertebrates called lampreys, which are mostly parasitic as adults?
a. Urochordata b. Cephalochordata c. Petromyzontoidea d. Placodermi