EMT Chapter 6 Exam: The Human Body Exam 2023

EMT Chapter 6 Exam: The Human Body Exam 2023 The electrical impulse of the heart normally begins at the: a.) sinoatrial node b.) bundle of his c.) purkinje fibers d.) atrioventricular node Ans- sinoatrial node Each pelvic bone is formed by the fusion of the: a.) sacrum and ischium b.) ilium, ischium, pubis c.) pubis and acetabulum d.) ilium, pubis, and sacrum Ans- ilium, ischium, pubis The largest portion of the brain, which is commonly referred to as the ''gray matter,'' is called the: a.) cerebrum b.) cerebellum c.) brain stem d.) diencephalon Ans- cerebrum The supporting bone of the arm is the: a.) ulna b.) humerus c.) radius d.) clavicle Ans- humerus The cervical spine is composed of _______ vertebrae. a.) four b.) five c.) six d.) seven Ans- seven The brain connects to the spinal cord through a large opening at the base of the skull called the: a.) foramen ovale b.) vertebral foramen c.) spinous foramen d.) foramen magnum Ans- foramen magnum The axial skeleton is composed of the: a.) arms, legs, and pelvis b.) lower part of the torso and the legs c.) skull, face, thorax, and vertebral column d.) bones that comprise the pelvic girdle Ans- skull, face, thorax, and vertebral column Hemoglobin is a molecule that attaches to ________ and carries oxygen. a.) monocytes b.) erythrocytes c.) leukocytes d.) thrombocytes Ans- erythrocytes Which organ lies in the lateral and posterior portion of the left upper quadrant (LUQ) of the abdomen? a.) liver b.) stomach c.) cecum d.) spleen Ans- spleen The most distal four spinal vertebrae, which are fused together, form the: a.) ilium b.) coccyx c.) sacrum d.) ischium Ans- coccyx Anterior to the knee is a specialized bone called the: a.) tibia b.) patella c.) femur d.) calcaneus Ans- patella The femoral head forms a ball-and-socket joint with the: a.) ilium b.) ischium c.) acetabulum d.) femoral condyle Ans- Acetabulum What is the minute volume of a patient with a tidal volume of 500 mL, a dead space volume of 150 mL, and a respiratory rate