Cones Have Higher Acuity Than Rods Because

question 52

Multiple Choice

Cones have higher acuity than rods because

• A) cones respond more to dim light.
• B) there are three types of cones.
• C) there is little convergence in the cone pathways within the retina.
• D) there are more cones than rods.
• E) the photopigment in the cones breaks down more rapidly than the photopigment in rods.

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Definitions:

Stress-Relaxation Response

A physiological response where muscle tension decreases over time when the muscle is stretched to a fixed length.

Oxygen Tension

The partial pressure of oxygen, an indicator of its concentration in blood or tissues, important for cellular respiration and metabolism.

Adrenal Medulla

The inner portion of the adrenal gland, responsible for producing adrenaline and noradrenaline, which are involved in stress responses.

Vasodilation

is the widening of blood vessels, resulting from relaxation of smooth muscle cells within the vessel walls, often increasing blood flow.