When light strikes the retina, it signals the suprachiasmatic nucleus to suppress the production of by the pineal gland.

Characteristics of moderate sedation include: a. difficult arousal b. independent and continuous maintenance of a patent airway c. no experienced amnesia d. hemodynamic instability

Anurse is teaching a client who has a new prescription for nitroglycerin patches. the nurse should identify which of the following statements as an indication that the client understands the teaching? a. “i will move the patch to my leg if i get a headache.” b. “i will rotate the application site to avoid skin irritation.” c. “i will apply a new patch if i have chest pain.” d. “i cannot take a sublingual tablet of nitroglycerin after applying the patch.”

The concave notch in the kidney is referred to as the: a. hilum b. medulla c. calyx d. cortex