When a muscle fiber contracts, the I bands nearly disappear, the H zones disappear, and the A bands move closer together but do not change in length
Indicate whether the statement is true or false
TRUE
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Which of the following is a lung disease marked by abnormally few but large alveoli?
A. Cor pulmonale B. Pulmonary hemosiderosis C. Emphysema D. Atelectasis E. Collapsed lung
What is the function of the pharyngotympanic tube?
A. To drain endolymph into the pharynx B. To transmit sound waves to the spiral organ C. To equalize the pressure on both sides of the eardrum D. To drain perilymph into the pharynx E. To transmit sound waves to the tympanic membrane
Which of the following is not a component of innate immunity?
a. inflammation b. antibody production c. interferon d. natural killer cells e. the complement system
Which of the following can indicate a disease may be present?
A. Inflammation B. Malaise C. Abnormal diagnostic test results D. All of the answer choices can indicate the presence of disease.