Wound healing MCQs 21 - 32

Описание: 12 more MCQs relating to tissue viability and wound healing. These test your knowledge of anatomy and physiology which informs our practice when managing wounds.

21. Which of the following are true of the epidermis?
Chose 2 answers
a. Is largely composed of tough connective tissues
b. Is a stratified keratinised squamous epithelium *
c. Contains lymphatic capillaries
d. Contains only touch sensory nerve endings
e. Mitosis only takes place in the germinative layer *
f. Contains capillaries but no larger blood vessels

22. Which of the following is not a function of the skin?
Chose 1 answer
a. Protection from abrasion
b. Formation of vitamin D
c. Production of melanin
d. Regulation of body temperature
e. Production of immunoglobulins *
f. Collection of tactile sensory information

23. Which of the following statements are true of the dermis?
Chose 2 answers
a. It is a stratified squamous keratinised epithelium
b. It is a stratified squamous non-keratinised epithelium
c. It contains collagen and elastic fibres *
d. It contains no blood vessels or nerve endings
e. It contains melanin *

24. Which of the following statements about the cardiovascular system is incorrect?
Chose 1 answer
a. The mitral valve is located between the left atrium and the left ventricle
b. The four pulmonary veins carry blood from the lungs to the right atrium *
c. The aorta carries blood away from the left ventricle via the aortic semi lunar valve
d. The inferior and superior vena cava drain blood into the right atrium
e. The tricuspid valve is located between the right atrium and the right ventricle
f. The ventricles have a larger volume than the atria

25. Which of the following are arteries in the leg?
Chose 3 answers
a. Dorsalis pedis *
b. Popliteal *
c. Femoral *
d. Short saphenous
e. Perforating vessels
f. Malleoli

26. Which of the following statements are true of the Great Saphenous vein?
Chose 3 answers
a. It is the longest vein in the body *
b. It forms part of the deep venous system in the legs
c. It is another name for the perforator vein
d. It only carries oxygenated blood
e. Forms part of the superficial venous system of the leg *
f. Drains blood into the femoral vein *

27. Which of the following statements are true of the valves in blood vessels?
Chose 2 answers
a. Prevent back flow of blood *
b. Pump blood up the leg by muscular contraction
c. Are found in small arteries
d. Prevent blood from entering the capillaries when a person in too cold
e. Directly increases arterial blood pressure
f. Only allow blood to flow in one direction *

28. Which statements are true of capillaries?
Chose 2 answers
a. They have thin walls to allow exchange of gases, nutrients and waste products *
b. They only occur in the legs
c. They only carry oxygenated blood
d. The walls are composed of several layers of cells to prevent tissue haemorrhages and bruising
e. The pressure at the arterial end of a capillary is greater than the pressure at the venous end *
f. All tissue fluid is reabsorbed into the capillaries directly into the blood stream

29. Which of the following statements are true of the lymphatic system?
Chose 3 answers
a. The lymphatic fluid is collected from the tissues into lymphatic capillaries *
b. The lymphatic system does not contain capillaries
c. Larger lymphatic vessels have valves to ensure one way flow *
d. The lymphatic system contains no valves
e. Lymphatic fluid drains through lymph nodes before re-entering the venous circulation *
f. Lymphatic fluid drains through lymph nodes before re-entering the arterial circulation

30. Which of the following are features of innate (ie. non-specific immunity)?
Choose 3 answers
a. Mucus and intact mucous membranes *
b. Coughing and sneezing *
c. Recognition of antigenic material by T lymphocytes
d. Zinc in semen *
e. Antibody production by B lymphocytes

31. Which of the following are involved in specific or acquired immunity?
Chose 2 answers
a. Hydrochloric acid in the stomach
b. Acid in sweat
c. Lysozyme in tears and saliva
d. B lymphocytes *
e. T Lymphocytes *
f. Cilia in the respiratory tract

32. Which of the following are true of fibrin?
Chose 2 answers
a. It is produced from fibrinogen *
b. It is produced by fibroblasts
c. It is a breakdown product of fibrous tissue
d. It is produced from prothrombin
e. It forms an insoluble protein in blood clots *
f. It is involved in production of immune proteins such as immunoglobulins