Sildenafil (Viagra) achieves its therapeutic action in the treatment of erectile dysfunction by:
A) enhancing neuronal stimulation of the amygdala in the brain.
B) stimulating parasympathetic receptors in the nerve fibers leading to the sexual organs.
C) stimulating sympathetic receptors in the nerve fibers leading to the sexual organs.
D) relaxing vascular smooth muscle, which increases blood flow to the corpus cavernosum.
D
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You are transporting a patient who was bitten on her hand by a spider about 20 minutes ago. On scene the primary assessment revealed no life threats and vital signs were stable. While conducting your reassessment, which one of the following would be of most concern to the EMT?
A) Swelling to the area of the bite B) Increased pain to the area of the bite C) Complaint of a headache D) Hives to the chest and abdomen
The vessels associated with the right atrium are the ____________________, ____________________, and ____________________
Fill in the blank(s) with correct word
Which of the following shouldn't be given to a person suffering from hypothermia?
A. a warm cup of soup B. alcohol C. a cup of tea D. a cup of coffee
An atom with 20 protons and 21 neutrons has a mass number of:
A. 21 B. 20 C. 41 D. 61