What is the reflexive movement of both eyes medially to view objects close to us?
A) emmetropia
B) convergence
C) accommodation
D) inversion
B
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Which statement best describes connective tissue?
A) usually lines a body cavity B) usually contains a large amount of matrix C) primarily concerned with secretion D) typically arranged in a single layer of cells
What is the effect of turbulence of the air passing between the vestibule and the nasal chamber?
A) The effect is negligible. B) It allows extra time for warming and humidifying incoming air. C) It prevents air filtration. D) It decreases the volume of air entering, to prevent possible damage to delicate respiratory surfaces by too rapid a rate of airflow. E) None of the answers are correct.
Insulin is secreted from the pancreatic islets of Langerhans in response to elevated levels of glucose in the blood plasma. The effect of insulin is to stimulate cells to take up glucose (out of the plasma), resulting in decreased plasma glucose levels. This system is an example of the physiological principle of
a. homeostasis. b. homeothermy. c. home remedy. d. homeopathy. e. digestion.
Ovum transport in the uterine tubes presumably involves a combination of __________.
a. ciliary movement and peristaltic contractions b. active transport and ciliary movement c. flagellar locomotion and ciliary movement d. movement in uterine fluid and flagellar locomotion