Nursing Entrance Exam

Chapter 7 Review Questions 1. The _ __ contains centers for 6. blood pressure, breathing, and heartbeat. a. Spinal cord b. Cerebellum c. Cerebrum d. Medulla oblongata 2. How many pairs of cranial nerves do humans have? a. 4 b.

A heartbeat of less than 60 beats per minute is referred to as _ . a. Fibrillation b. Tachycardia c. Bradycardia d. Arrhythmia 7. What is the purpose of the bicuspid valve? a. To permit unidirectional blood flow through the heart b. To guard the auricles of the heart c. To guard the entrance to the pulmonary trunk d. To guard the entrance of the aorta 8. Why is detection of pathogens complicated? a. They evolve quickly b. They die quickly c. They are invisible d. They multiply quickly 9. Which of the following immunoglobulin is found in a mother’s breasts milk? a. IgM b. IgA c. IgE d. IgG 10. Activated helper T cells release regulatory molecules called: a. Histamines b. Antibodies c. Lymphokines d. Pus The Answer Key is found on page 175.

12 c. 16 d. 21 3.

The iris _ _ _. a. Regulates light entrance through the pupil b. Refracts light rays c. Absorbs stray light rays d. Contains receptors for sight 4. The auditory canal in the ear is lined with fine hairs and sweat glands that secrete __ _ . a. Aqueous humor b. Cochlear fluid c. Cerumen d. Eustachian fluid 5. Where are the parathyroid glands located? a. Above the thyroid gland b. Imbedded in the posterior surface of the thyroid gland c. Below the thyroid gland d. In the abdomen

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