Our diaphragm is controlled for contraction directly by
Question 71.71. Cyanosis is: (Points : 1)
A sudden interruption of blood flow to the brain.
An accumulated fatty buildup in the vessels.
Lack of exercise.
Lack of oxygen causing a bluish tint to the skin.
Question 72.72. The upper chamber of the heart which receives relatively deoxygenated blood from the body. (Points : 1)
Right atrium
Right ventricle
Left atrium
Left ventricle
Question 73.73. The large artery supplying branches to the thorax. (Points : 1)
Great saphenous
Femoral
Aorta
Inferior Vena Cava
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Order Paper NowQuestion 74.74. Small vessels which have lots of elastic layers for vasoconstriction are called: (Points : 1)
Venules
Arteries
Capillaries
Arterioles
Question 75.75. Chief functions of the digestive system are: (Points : 1)
Catabolism, ansorption and elimination
Anabolism, ingestion and elimination
Catabolism and ingestion
Anabolism and defecation
Question 76.76. This is the major site of absorption for digested carbohydrates, proteins, and lipids as well as vitamins, minerals, and electrolytes. (Points : 1)
Large intestine
Stomach
Small intestine
Oral Cavity
Question 77.77. The tube connecting the middle ear and the nasopharynx: (Points : 1)
Trachea
Bronchi
Oropharynx
Eustachian Tube
Question 78.78. Gastroesophageal reflux disease (GERD) is a disorder also known as hiatal hernia or heartburn. It is caused by a weakening of which organ/structure: (Points : 1)
Esophagus
Pyloric Sphincter
Cardiac Sphincter
Oropharynx
Question 79.79. Asthma is due to: (Points : 1)
The inflammatino of the nasal mucous membrane.
The failure of the lungs to expand.
Growths in the sinus cavity.
The obstruction of hte airway due to an inflammatory response.
Question 80.80. Difficult breathing is known as: (Points : 1)
Dyspnea
Eupnea
Apnea
Orthopnea
Question 81.81. The principal function of internal respiration is: (Points : 1)
Exchange of gases in the alveoli and the capillaries.
Excrete gases created during chemical reactions in the cell.
Exchange of gases between the environment and the lungs (alveoli).
None of the above.
Question 82.82. The double layered membrane covering the lungs is called the: (Points : 1)
Pericardium
Phlegm
Pleura
Peritoneum
Question 83.83. What allows for normal inhalation? (Points : 1)
Diaphragm contraction and elastic recoil
Diaphragm and internal intercostal contraction.
Diaphragm relaxation and elastic recoil.
Diaphragm and external intercostals contraction.
Question 84.84. Our diaphragm is controlled for contraction directly by the: (Points : 1)
Vagus Nerve
Medulla Oblongata
Phrenic Nerve
Herring Breuer Reflex
Question 85.85. The colon is also known as the: (Points : 1)
Esophagus
Small Intestine
Rectum
Large Intestine