What is a contraindication for using Atenolol in clients with asthma?

A. Hypertension is an indication for atenolol, not a contraindication; it is commonly prescribed to lower blood pressure. B. Diabetes mellitus is not an absolute contraindication, though beta-blockers like atenolol can mask signs of hypoglycemia; caution is advised. C. Glaucoma is not a contraindication; some beta-blockers are even used topically to treat glaucoma. D. Exercise-induced asthma or any form of asthma is a contraindication for non-selective beta-blockers like atenolol because it can cause bronchoconstriction and precipitate asthma attacks, posing a serious risk to the client.