1.Capillaries do not have a tunica media layer. This implies which of the following about capillaries?
Capillaries cannot close their valves.
Capillaries cannot dilate or contract.
Capillaries do not have an outer layer of connective tissue.
Capillaries do not contain an inner layer of endothelial tissue.
2.The first heart sound is made by
blood moving to the atria
blood moving to the ventricles
opening of the valve between the atria and the ventricles
closing of the valve between the atria and the ventricles
3.A person's blood tests show that her blood is accumulating old and damaged red blood cells. Which organ could be damaged, based on the image above?
USE LINK FOR IMAGE —> https://lss.brainhoney.com/Resource/64964993,0/Assets/78905_5485ffd5/0608_g33_q02.jpg
4.How does acetylcholine influence chemical and physical digestion?
Chemical-triggers release of pancreatic enzyme; Physical-triggers stomach muscle contraction
Chemical-triggers release of bile; Physical-triggers tongue contraction
Chemical-triggers stomach muscle contraction; Physical-triggers release of pancreatic enzyme
Chemical-triggers tongue contraction; Physical-triggers release of bile
5.Which of the following groups of organs provide secretions that nourish and protect sperm cells?
Vas deferens; epididymis; Cowper's glands
Seminal vesicles; Cowper's glands; prostate gland
Seminal vesicles; seminiferous tubules; epididymis
Vas deferens; seminiferous tubules; prostate gland
6.What does an electrocardiogram measure?
Sound waves created by the closing of heart valves
The volume of blood moving through the heart chambers
The force of muscle contraction in the heart chambers
Action potentials moving through the heart muscle
1.Capillaries do not have a tunica media layer. This implies which of the following about capillaries? Capillaries do not... View the full answer
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Capillaries do not contain an inner layer of endothelial tissue. opening of the valve between... View the full answer
1) Capillaries do not contain inner layer of endothelial tissues. 2) The opening of... View the full answer