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Review Questions

a. A potential adverse effect of trimethoprim and sulfamethoxazole is photosensitivity (increased sensitivity to sunlight or artificial light).
b. 200 mg ÷ 100 m g t a b l e t s = 2 t a b l e t s
c. Tadalafil works by relaxing the smooth muscles in the prostate and bladder, which can help improve urine flow and reduce the urinary symptoms caused by prostate enlargement.
c. Oxybutynin is an anticholinergic, and a common adverse effect is dry mouth (xerostomia) due to the inhibition of salivary gland secretions.
b. Phenazopyridine hydrochloride is a urinary analgesic that provides relief from the pain, burning, and discomfort associated with UTIs.
d. The vasomotor response of systemic vasodilation can occur if the client changes position rapidly, resulting in vertigo and syncope.
c. The pharmacologic action of mirabegron involves the selective activation of beta-3 adrenergic receptors in the bladder, leading to relaxation of the detrusor smooth muscle. This relaxation increases bladder capacity and decreases the urgency and frequency of urination.
a. Trimethoprim induces a progressive but reversible increase of serum potassium concentrations in a substantial number of clients.
d. Phenazopyridine hydrochloride is intended for short-term use to alleviate urinary pain and discomfort and should not be used longer than 2 days.
c. Solifenacin succinate is contraindicated in clients with narrow angle glaucoma.

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