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Nursing School Exam Questions And
Complete Answers
Which of the following is considered a component of lipids? A. Plasma cells B. Fatty acids C. Nucleic acids D. Zinc - answer B. Fatty acids Down's syndrome affects chromosome ____. - answer chromosome 21 Blood enters the lungs from which chamber of the heart? - answer Right ventricle Excessive consumption of alcohol is most likely to damage which organ of the body over a long period of time? - answer Liver Which of the following is not considered a type of radiation ray? A. Gamma B. Beta C. Alpha D. Infrared - answer D. Infrared A molecule of hemoglobin can hold how many molecules of oxygen in the blood for transport? - answer 4 Which of the following best describes the biomechanics of breathing? A. Pump handle motion B. Lever action C. Inspiration D. Expiration - answer A. Pump handle motion
Animals that eat meat almost exclusively are known as: - answer Carnivores The physical expressions of a gene are known as an organism's: - answer Phenotype Neurons connect together at a ______. - answer Synapse
. Which of the following is another word for the kneecap in the human body? A. Pisiform B. Meniscus C. Popliteal bursa D. Patella - answer D. Patella Which of the following describes the shoulder joint A. Ball and socket joint B. Saddle joint C. Hinge joint D. Pivot joint - answer A. Ball and socket joint The organ of Corti is found in what area of the body? - answer Ear The condition of rickets is associated with a deficiency in which vitamin? - answer Vit. D A steroid is considered a ______. - answer Lipid The X cranial nerve is the ____ nerve. - answer Vagus Which of the following pH ranges is a strong base? A. 1.3-2. B. 4.5-5. C. 7.1-9. D. 11.2-12.0 - answer D. 11.2-12. Which chamber of the heart pumps blood to the systemic circulation? - answer Left Ventricle
B. Blue C. Red D. Yellow - answer D. Yellow The two bones found in the area between the knee and ankle in humans are known as: - answer Fibula and Tibia When the chromosomes line up in mitosis this is known as which phase? - answer Metaphase Which cellular organelle contains enzymes that are considered digestive? - answer Lysosomes Organs repair themselves through a process of? - answer Mitosis Which of the following is considered a model for enzyme action? - answer Lock and Key model Which of the following statements about enzymes is not true? A. Enzymes are catalysts. B. Almost all enzymes are proteins. C. Enzymes operate most efficiently at optimum pH. D. Enzymes are destroyed during chemical reactions. - answer D. Enzymes are destroyed during chemical reactions. Which of the following statements about prostaglandins is not true? A. Prostaglandins promote inflammation.
B. Prostaglandins can only constrict blood vessels. C. Prostaglandins are made in the renal medulla. D. Prostaglandins can lead to pain and fever. - answer B. Prostaglandins can only constrict blood vessels. Prostaglandins : - answer When tissues are damaged, white blood cells flood the site to try to minimize tissue destruction. Prostaglandins are produced as a result.PGE2 causes uterine contractions and has been used to induce labour. Hardening of the arteries is known as: - answer Atheriosclerosis The top number on a blood pressure reading indicates: - answer Systolic pressure : The first number is called the systolic pressure and is the pressure when your heart is pumping out blood. The second lower number is called the diastolic pressure and is the pressure when the heart is resting. Litmus paper that is blue will turn/stay _____ in the presence of a strong base. - answer Blue Breathing properly requires the presence of what compound that affects surface tension of alveoli in the lungs? - answer Surfactant Which of the following is not considered a function of the kidneys? A. Secretion B. Reabsorption C. Transport D. Filtration - answer C. Transport
A cell is in a solution in which the concentration of solutes is higher inside the cell than outside the cell. The cell will likely : - answer swell up and possibly burst. Hypotonic Yeast is used to make bread rise because : - answer the yeast carries out fermentation, which produces ethanol and carbon dioxide. Which statement below does not have the same truth value as the others? (A) RNA is single-stranded. (B) RNA contains uracil. (C) DNA codes for proteins. (D) DNA cannot be altered. - answer (D) DNA cannot be altered. Which of the following is a way in which mitosis differs from meiosis? (A) Mitosis takes place to form sex cells. (B) Meiosis creates cells with half the number of chromosomes than the original cell. (C) Telophase does not take place in mitosis. (D) Spermatogenesis and oogenesis occur via mitosis. - answer (B) Meiosis creates cells with half the number of chromosomes than the original cell. The ribs are _____________ to the lungs in the human body. - answer anterior Which of the following statements is true? (A) The digestive system can do its job without the use of accessory organs. (B) The digestive system uses sphincters to contain substances being digested at certain
points of the digestive tract. (C) Mechanical digestion is more important than chemical digestion. (D) The juices that are used to digest food can be effective at any point along the digestive tract. - answer (B) The digestive system uses sphincters to contain substances being digested at certain points tract. The heart and veins have valves to ensure that : - answer blood flows in only one direction. Of the processes below, which one is a different level of defense from the other three? (A) a low pH in the stomach (B) cilia present in the trachea (C) cells within the body recognizing a pathogen (D) mucus present in the nasal cavity - answer (C) cells within the body recognizing a pathogen The movement of air through the respiratory system depends on : - answer the movements of the diaphragm. Which pathway/order is correct? (A) sperm: testes, epididymis, vas deferens, urethra (B) egg: vagina, uterus, ovary, fallopian tube (C) development: morula, blastula, zygote, egg (D) development: fertilization, ovulation, ejaculation - answer (A) sperm: testes, epididymis, vas deferens, urethra Which of the following statements is false?
described as : - answer mutualism. The scientific name for a house cat is Felis catus. This indicates the house cat's : - answer genus and species. What is the apex (heart)? - answer The inferior point and points towards the hip What is a sulcus? - answer depression or fissure in the surface of an organ (brain or heart) epicardium : - answer the outer most layer of the heart myocardium : - answer middle layer of the heart Describe cardiac muscle cells : - answer branched, unicellular, contain intercalated discs, linked by gap junctions. What causes striations in cardiac muscle cells? - answer contains thick and thin filaments (actin and myosin) which are banded Why do cardiac muscles appear red in color? - answer rich in mitochondria and oxy. What are intercalated disks? - answer interlocking adjacent cells and linked together by a gap junctions which help action potential and help transfer force from cell to cell Where is the Interatrial septum? - answer between the left and right atrium
What connects the atria to the ventricles? - answer The tricuspid atrioventricular valve and bicuspid atrioventricular valve What veins empty blood into the right atrium? - answer Superior Vena Cava (SVC), Inferior Vena Cava (IVC), Coronary Sinus (CS) papillary muscles : - answer project from the inner surface of the ventricles to help the valves close to prevent back flow What happens to the AV valves when the ventricles begin to contract? - answer They will close prevent back flow into the left atrium What are the ridges and grooves in the wall of the ventricles called? - answer Trabeculae Carneae
