Anatomy and Physiology: Wound Healing, Shock, and Muscle Function, Exams of Nursing

Download Anatomy and Physiology: Wound Healing, Shock, and Muscle Function and more Exams Nursing in PDF only on Docsity! West Coast EMT Block 6 Exam Questions and Answers 2023-2024 100% Verified Answers by Experts. The lower jaw bone is called the: A. zygoma. B. maxilla. C. mandible. D. mastoid. - ✅✅mandible. The act of pulling on a body structure in the direction of its normal alignment is called: - ✅✅Traction During the normal wound healing process, bleeding may occur from even a minor injury because: A. there is a substantial decrease in the number of platelets in and around the wound, which increases the risk of bleeding. B. histamines released by the immune system constrict the blood vessels, which increases the pressure within them. C. new capillaries that stem from intact capillaries are delicate and take time to become as stable as the preexisting capillaries. D. bacteria and other microorganisms invade the wound site and damage the capillaries, which makes them more prone to bleeding. - ✅✅New capillaries that stem from intact capillaries are delicate and take time to become as stable as the preexisting capillaries. Pleural fluid is contained between the: A. visceral and parietal pleurae. B. parietal pleura and the heart. C. visceral pleura and the lung. D. parietal pleura and the chest wall. - ✅✅visceral and parietal pleurae. A 70-year-old man presents with a severe nosebleed. His medical history includes COPD, depression, and a hemorrhagic stroke 3 years ago. His BP is 190/110 mm Hg, his pulse is 100 beats/min, and his respirations are 24 breaths/min. His medications include albuterol, sertraline (Zoloft), and multivitamins. Which of the following is MOST likely causing his nosebleed today? Select one: A. Diabetic complications B. Hemorrhagic stroke C. High blood pressure D. His prescribed albuterol - ✅✅High blood pressure A person's ability to shiver is lost when his or her body temperature falls below: - ✅✅90 degrees If one or more occupants in the same vehicle are killed in a crash, the EMT should: A. rapidly assess only the survivors who have experienced obvious trauma. B. allow the survivors to refuse transport if they have no obvious injuries. C. suspect that all living occupants experienced the same serious trauma. D. transport the survivors only if they have injuries or complain of pain. - ✅✅suspect that all living occupants experienced the same serious trauma. B. perspiration and tachycardia. C. sweating and dilation of skin blood vessels. D. hyperventilation and tachycardia. - ✅✅sweating and dilation of skin blood vessels. A patient who presents with profound cyanosis following a chest injury: A. should be placed in Trendelenburg's position. B. is most likely experiencing severe blood loss. C. has most likely experienced a ruptured aorta. D. requires prompt ventilation and oxygenation. - ✅✅requires prompt ventilation and oxygenation. When worn properly, a seatbelt should lie: A. below the anterior superior iliac spines of the pelvis and against the hip joints. B. across the abdominal wall at the level of the umbilicus and against the hip joints. C. across the abdominal wall at the level of the diaphragm and below the hip joints. D. above the anterior posterior iliac spines of the pelvis and below the hip joints. - ✅✅below the anterior superior iliac spines of the pelvis and against the hip joints. By what mechanism is a person injured when he or she falls from a significant height? A. As the person falls, the amount of kinetic energy is converted into work; work is then converted to kinetic energy upon impact. B. Kinetic energy is converted to potential energy; the potential energy is then converted into the work of bringing the body to a stop. C. Potential energy is created as the person is falling; the potential energy is then converted into kinetic energy upon impact. D. Potential energy is converted to kinetic energy; the kinetic energy is then converted into the work of bringing the body to a stop. - ✅✅D. Potential energy is converted to kinetic energy; the kinetic energy is then converted into the work of bringing the body to a stop. Which of the following statements regarding striated muscle is correct? A. Striated muscle is involuntary because you have no conscious control over it. B. Most of the body's striated muscle is found within the walls of the blood vessels. C. Striated muscle tissue is attached directly to the bones by tough bands of cartilage. D. It forms the major muscle mass of the body and usually crosses at least one joint. - ✅✅It forms the major muscle mass of the body and usually crosses at least one joint. Which of the following conditions would be the LEAST likely to increase a person's risk of hypothermia? A. hypoperfusion B. severe infection C. hyperglycemia D. spinal cord injury - ✅✅hyperglycemia The white portion of the eye is called the: - ✅✅Sacra The eyeball itself is called the: A. globe. B. sclera. C. orbit. D. cornea. - ✅✅globe During your assessment of a patient who experienced blunt trauma to the abdomen, you notice bruising around the umbilicus. This is a sign of: A. a ruptured spleen. B. rupture of a hollow organ. C. a severe liver laceration. D. intra-abdominal bleeding. - ✅✅intra-abdominal bleeding. When caring for an occupant inside a motor vehicle equipped with an air bag that did not deploy upon impact, you should: A. lower-extremity fractures. B. blunt trauma to the head. C. neck and facial injuries. D. open abdominal trauma. - ✅✅neck and facial injuries. The systemic veins function by: The optic nerve endings are located within the: A. retina. B. sclera. C. pupil. D. cornea. - ✅✅retina Heat loss from the body through respiration occurs when: A. warm air is exhaled into the atmosphere B. the core body temperature is greater than 98F (37C) C. cool air is inhaled and displaces warm air D. air temperature is greater than body temperature - ✅✅warm air is exhaled into the atmosphere Rapid deceleration of the head, such as when it impacts the windshield, causes: A. compression injuries and contusions to the anterior, posterior, and lateral aspects of the brain. B. primary impact to the posterior aspect of the brain, resulting in compression injuries, bruising, or torn blood vessels. C. stretching or tearing of the anterior aspect of the brain and compression injuries or bruising to the posterior aspect of the brain. D. compression injuries or bruising to the anterior portion of the brain and stretching or tearing to the posterior portion of the brain. - ✅✅compression injuries or bruising to the anterior portion of the brain and stretching or tearing to the posterior portion of the brain. The cervical spine is MOST protected from whiplash-type injuries when the: A. airbag correctly deploys upon impact B. pt. tenses up a the time of impact C. rear end of the vehicle is intially struck D. headrest is appropriately positioned. - ✅✅headrest is appropriately positioned. A partial-thickness burn involves the outer layer of skin and a portion of the: A. epidermis. B. fatty layer. C. muscle fascia. D. dermal layer. - ✅✅dermal layer. The smaller vessels that carry blood away from the heart and connect the arteries to the capillaries are called the: A. arterioles. B. venules. C. vena cavae. D. capillary arteries. - ✅✅arterioles Contraction or tensing of the abdominal muscles in an effort to ease pain is called: A. flexing. B. referring. C. guarding. D. withdrawing. - ✅✅guarding The tough, fibrous outer meningeal layer is called the: A. pia mater. B. arachnoid. C. gray mater. D. dura mater. - ✅✅dura mater What layer of the skin forms a watertight, protective seal for the body? A. dermis B. epidermis C. muscular layer D. subcutaneous layer - ✅✅epidermis Assuming that no obvious signs of intra-abdominal injury are present, which of the following injuries would MOST likely cause an injury to the liver or spleen to be overlooked?