The cilia in the olfactory mucosa don't move, while the cilia in the respiratory mucosa do.
a. true
b. false
Answer: a. true
You might also like to view...
A plain radiograph of a patient following a knife wound to the left side of his neck showed elevation of the left hemidiaphragm, narrowing of the left intercostals spaces, and displacement of the trachea to the left. You suspect:
A) hemothorax due to blood from the wound. B) pneumothorax due to knife penetration of the cervical pleura. C) transection of the phrenic nerve. D) transection of the sympathetic trunk. E) pleurisy. Ans: B
Why do emotions such as anger or fear slow digestion?
a) Because they stimulate the parasympathetic nerves supplying the GI tract b) Because they stimulate the somatic nerves that supply the GI tract c) Because they stimulate the sympathetic nerves that supply the GI tract d) They do not affect digestion e) Because all emotions are controlled by the Vagus nerve
Answer the following statements true (T) or false (F)
1. Synovial fluid is a viscous material that is derived by filtration from blood. 2. The articular surfaces of synovial joints play a minimal role in joint stability. 3. The major role of ligaments at synovial joints is to help direct movement and restrict undesirable movement. 4. The only movement allowed between the first two cervical vertebrae is flexion. 5. Movement at the hip joint does not have as wide a range of motion as at the shoulder joint.
Which statement below best describes why diabetics are two times more likely to develop cardiovascular disease than non-diabetics?
A) Diabetics tend to be obese and, therefore, cannot get enough aerobic exercise. B) Diabetes leads to high cholesterol levels and, therefore, atherosclerosis. C) Diabetics must take insulin and, therefore, their blood glucose levels fluctuate causing tremendous stress on all systems of their bodies. D) Diabetes leads to heart disease because of the side effects of insulin on the cardiovascular system. E) Diabetes promotes bacterial infections which will eventually destroy the he