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A/P Review 2
True or False
Question | Answer |
---|---|
The blood-vascular system is an open-circuit system that consists of the heart, arteries, capillaries, veins, and blood. | FALSE |
The heart is a muscular, conical-shaped organ , about the size of a closed fist, located in the chest cavity between the lungs and behind the sternum. | TRUE |
Capillaries are just a single cell thick and are only large enough to pass one blood cell at a time. | TRUE |
Blood moves through the veins by a process of vasoconstriction and vasodilataion. | FALSE |
Substances move through capillary walls by a process of diffusion, filtration, or osmosis. | TRUE |
Massage strokes are very effective at encouraging blood to flow through the veins and therefore should always be directed to follow the blood flow away from the heart. | FALSE |
A hematoma is the result of bleeding under the epidermis and sometimes deep within the tissues of the body. | TRUE |
Arterial blood is dark red in color due to the lack of oxygen in the cells. | FALSE |
The common carotid arteries are the main source of blood supply to the head, face, and neck. | TRUE |
The function of the lymphatics is to carry oxygen to the body tissues and return waste products. | FALSE |
A proton is the structural unit of the nervous system. | FALSE |
A neuron is the structural unit of the nervous system. | TRUE |
Almost all nerve cell bodies are contained in the brain and spinal cord, while their fibers extend outward to make up the nerves. | TRUE |
The peripheral nervous system consists of the brain and spinal cord. | FALSE |
The cranial nerves are named numerically according to the order in which they arise from the brain and by names that describe their type, function or location. | TRUE |
The sympathetic nervous system produces two adrenal hormones, epinephrine and norepinephrine. | TRUE |
Glands are specialized organs that vary in size and function. | TRUE |
The pituitary gland is a small gland about the size of a cherry and is located in a depression just behind the point where the optic nerves cross on the floor of the cranium. | TRUE |
The thyroid gland is located behind the sternum and above the heart. | FALSE |
Hypothyroidism is the excessive functional activity of the thyroid gland. | FALSE |
The adrenal glands are situated on top of each kidney. | TRUE |
External respiration is also called ventilation. | TRUE |
Waste products of cellular respiration include carbon monoxide, ether and water. | FALSE |
Clients with tuberculosis will benefit greatly from the effects of massage. | FALSE |
Massage should only be applied to pneumonia patients when the infection has reached the subacute stage and then only under medical supervision. | TRUE |
Without a constant supply of oxygen, a human would die within a matter of minutes. | TRUE |
The alimentary canal is a muscular tube that is approximately ten times as long as a person is tall. | FALSE |
The process of digestion changes food into a nutritious fluid capable of being absorbed by the blood. | TRUE |
The bile from the liver breaks down fats into fatty acids. | TRUE |
Bile from the liver and gallbladder is carried through the hepatic duct. | FALSE |
From the stomach, chyme passes through the pyloric sphincter and into the duodenum of the small intestine. | TRUE |
The renal pyramids are the functional unit of the kidneys. | FALSE |
The kidneys contain two to three million nephrons. | TRUE |
The ureters are tubes that carry urine from the kidneys to the urethra. | FALSE |
The large intestine discharges food wastes through the process of defecation. | TRUE |
If the body did not eliminate metabolie waste products, they would be absorbed back into the bloodstream. | FALSE |
In males, the reproductive cells are called zygotes. | FALSE |
The female gonad is called an ovary. | TRUE |
It takes a minimum of ten sperm to fertilize one ovum. | FALSE |
The functions of the female reproductive system are to produce the ovum and female hormones, to receive sperm during sexual intercourse, and to carry the growing fetus during pregnancy. | TRUE |
Menarche is the term used to describe the physiologic uterine bleeding that occurs normally in a female about every four weeks. | FALSE |