8. Which of the following causes increased heart rate? a. Stimulation of the vagus nerve b. Increased renin secretion c. Administration of beta-blocking drugs d. Stimulation of the sympathetic ner... vous system 9. The event that causes the QRS wave on an electrocardiogram (ECG) tracing is: a. atrial depolarization. b. atrial repolarization. c. ventricular depolarization. d. ventricular repolarization. 1. Which of the following areas lacks blood vessels and nerves? a. Epidermis b. Dermis c. Subcutaneous tissue d. Fatty tissue ANS: A REF: 142 2. What is a raised, thin-walled lesion containing clear fluid called? a. Papule b. Pustule c. Vesicle d. Macule ANS: C REF: 143 3. Which of the following is a common effect of a type I hypersensitivity response to ingested substances? a. Contact dermatitis b. Urticaria c. Discoid lupus erythematosus d. Psoriasis [Show More]
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