Nursing: Science, Human Anatomy
and Physiology Questions and
Answers.
Mechanical Digestion - Answer breaking food into smaller pieces
Chemical Digestion - Answer breaking neutrons into smaller molecules
Hydrolysis - Answer process by which chemical digestion occurs; splitting
Alimentary Canal - Answer tube that extends between two openings (mouth and anus);
organized into specialized regions that carry out specific phases of the digestive process
Accessory Organs - Answer liver, gallbladder, pancreas
Amylase - Answer breaks down starch into smaller carbohydrate molecules (monosaccharides
and disaccharides)
pharynx - Answer throat; leads to windpipe and esophagus
bile - Answer produced by the liver; stored in the gallbladder; helps in the breakdown of fats
pancreas - Answer supplies a number of enzymes needed for digestion
egestion - Answer elimination from the body
systole - Answer when heart contracts, pressure increase
diastole - Answer when heart relaxes the pressure is lowered
coronary circulation - Answer circulation of blood to the heart
pulmonary circulation - Answer circulation of blood through the lungs
, systemic circulation - Answer circulation throughout the body
hemoglobin - Answer oxygen carries in blood; iron rich compound
white blood cells - Answer leukocytes; less abundant than red blood cells and are involved in
host immune defense
platelets - Answer pieces of cells that are important in blood clotting; also found in plasma
lymph nodes - Answer special pockets in the lymphatic system, white blood cells are present
in these nodes to attack bacteria and viruses that may be present in the fluid
arteries - Answer transport blood away from the heart (feel pulse in arteries)
veins - Answer transport blood to the heart, contain valves to prevent the back flow of blood
as it returns to the heart
capillaries - Answer tiny blood vessels that connect arteries and veins, through capillary walls
(only one cell thick) materials enter and leave the blood
larynx - Answer "voice box"
diaphragm - Answer sheet of muscle lining the bottom of the thoracic cavity
aerobic respiration - Answer occurs when oxygen is present and it is the opposite process to
that of photosynthesis
anaerobic respiration - Answer occurs when oxygen is not present
lactic acid - Answer produced during anaerobic respiration is a cause for sore muscles after
strenuous exercise
neuron - Answer functional unit of the nervous system
What are the three main types of neurons? - Answer sensory neurons, interneurons, motor
neurons