Dark adaptation ________
A) involves accumulation of rhodopsin
B) results in inhibition of rod function
C) is much faster than light adaptation
D) primarily involves improvement of acuity and color vision
A
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With respect to the control of ventilation, which brain region stimulates the internal intercostal muscles to contract, causing forced exhalation?
A. Ventral respiratory group (VRG) B. Pleurotaxic area C. Dorsal respiratory group (DRG) D. Pneumotaxic area E. Apneustic area
Which lymphatic organ contains red pulp and white pulp?
A. Thymus gland B. Spleen and lymph nodes C. Spleen D. Lymph nodes E. Thymus gland and lymph nodes
Cells responsible for the secretion of calcitonin are located
A. on the posterior surface of the thyroid gland. B. between the follicles and among the cells that make up the follicle of the thyroid gland. C. within thyroid follicles. D. None of the choices are correct.
People with blood type ____ can receive blood type AB-
A. O- B. AB+ C. O+ D. B- E. A+