What is the photopigment in rods?

a. melatonin
b. rhodopsin
c. opsin
d. transducen
e. carotene


b

Anatomy & Physiology

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List the maters surrounding the brain from the deepest layer to the most superficial layer. (Figure 14-3)

A) dura, arachnoid, pia B) pia, arachnoid, dura C) arachnoid, dura, pia D) arachnoid, pia, dura E) pia, dura, arachnoid

Anatomy & Physiology

Secretion of progesterone inhibits GnRH secretion

Indicate whether the statement is true or false

Anatomy & Physiology

A 50-year-old man presents with a painful penile erection that has persisted for the past several hours. He is conscious, but restless, and his vital signs are stable. Which of the following conditions could cause his clinical presentation?

A) Renal failure B) Head trauma C) Cocaine abuse D) Nitroglycerin use

Anatomy & Physiology

Particulate matter is nonspecifically taken into cells by the process of ________.

A. pinocytosis B. phagocytosis C. receptor-mediated endocytosis D. exocytosis

Anatomy & Physiology