AMEDD Anatomy and Physiology Course Exam well solved

AMEDD Anatomy and Physiology Course Exam well solved Anatomy can be defined as the study of which of the following? ANS-Parts of the body Which of the following correctly describes the anatomical position of the human body? ANS-Head is level, eyes directed anteriorly; feet flat on the floor and parallel; toes pointed anteriorly; upper limbs at sides of the body with palms facing anteriorly. Homeostasis is the ___1__ of the body's internal environment. The nervous system uses electrical signals called___2____ to transmit instructions that help bring back equilibrium. The endocrine system does the same by using glands to send out molecular messengers known as ____3___. The nervous and endocrine system maintain homeostasis by triggering ___4___. ANS-1. equilibrium 2. nerve impulses 3. hormones 4. feedback systems Which of the following components of a feedback system receives information regarding a desired response? ANS-Effector A positive feedback system does which of the following? ANS-Strengthens or reinforces a change in a controlled condition In a negative feedback system in which high blood pressure is detected and reduced to restore homeostasis, which of the following steps represents the action of effectors? ANS-Heart rate slows and blood vessels dilate, decreasing blood pressure. Chemical Level ANS-Includes atoms and molecules cellular level ANS-includes cells, which are composed of chemicals and molecules tissue level ANS-includes groups of cells and the material surrounding them organ level ANS-composed of two or more different types of tissues