What units of light stimulate photoreceptor cells in the retina?

What will be an ideal response?What will be an ideal response?


photons

Anatomy & Physiology

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Stress can affect the immune response in all of the following ways except by

A) inhibiting glucocorticoid release. B) depressing the inflammatory response. C) reducing the number of phagocytes. D) inhibiting interleukin secretion. E) increasing the level of cortisol.

Anatomy & Physiology

Which of the following is NOT a function of the respiratory system?

A. net uptake of carbon dioxide from the air and removal of oxygen from the blood B. regulation of blood H+ concentration C. trapping of blood clots D. phonation E. defense against microbes

Anatomy & Physiology

When considering joints in the human body, the most common lever type is the

A.  first-class lever. B.  second-class lever. C.  third-class lever.

Anatomy & Physiology

The membranes that cover the brain and spinal cord are called

A. pleurae. B. the mediastinum. C. meninges. D. the peritoneum.

Anatomy & Physiology