What is the function of the iris?
A. Changes the shape of the lens
B. Refracts light rays
C. Regulates the size of the pupil
D. Absorbs stray light rays
Answer: C
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Which is not a tropic hormone?
A. Thyroid-stimulating hormone B. Adrenocorticotropic hormone C. Follicle-stimulating hormone D. Prolactin
Movements in the transverse plane occur around which axis?
A. mediolateral B. anteroposterior C. longitudinal D. horizontal
Which of the following is NOT a function of the heart?
A. Maintains the acidity level of the blood B. Serves as an endocrine gland C. Creates blood pressure D. Keeps oxygen-poor blood separated from oxygen-rich blood
Type II alveolar cells are among the last cells to mature during fetal development. In babies born prematurely, type II alveolar cells are often not ready to perform their function. Which of the following would be TRUE of these babies?
A. They would be at risk of autoimmune diseases with lung complications. B. They would be at risk of alveolar collapse due to too much surface tension in the alveoli. C. They would be more likely to have coughing fits. D. They would be at risk of bacterial infections in the lungs. E. None of these would occur.