Download DAANCE Module 1-Basic Sciences Exam: Questions and Answers and more Exams Nursing in PDF only on Docsity!
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neurons do what - Correct Answers ✅conduct nerve impulses what is the synapse - Correct Answers ✅junction between two neurons what makes up the central nervous system - Correct Answers ✅brain and spinal cord what three parts make up the brain - Correct Answers ✅cerebrum, cerebellum, medulla oblongata what makes up the peripheral nervous system - Correct Answers ✅sensory nerves and motor nerves How many cranial nerves are there - Correct Answers ✅ 12 what nerve is the trigeminal nerve - Correct Answers ✅ 5 what parts does the trigeminal nerve control - Correct Answers ✅supplies sensation to the teeth and jaw what are the 2 components of the autonomic nervous system? - Correct Answers ✅sympathetic nervous system
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parasympathetic nervous system what nervous system "speeds things up" - Correct Answers ✅sympathetic what nervous system "slows things down" - Correct Answers ✅parasympathetic what nervous system has terminations in all level of the heart - Correct Answers ✅sympathetic nervous system stimulation of the sympathetic nervous system causes what? - Correct Answers ✅vasoconstriction in general and increases the heart rate what nervous system is important in maintaining blood pressure - Correct Answers ✅sympathetic vasomotor is controlled by the - Correct Answers ✅sympathetic nervous system the vasomotor does what - Correct Answers ✅controls the diameter of the blood vessels
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Automaticity - Correct Answers ✅heart pumps on its own Heart has four chamber- what are they - Correct Answers ✅left atrium, right atrium, left ventricle, right ventricle Where does the left atrium receive blood from - Correct Answers ✅from the lungs, via the pulmonary vein- oxygen rich blood Where does the right atrium receive blood from - Correct Answers ✅from the peripheral (body's) circulation and is oxygen poor the ventricles receive blood from where - Correct Answers ✅the atria Ventricle anatomy - Correct Answers ✅thicker walls larger chambers left ventricle is the thickest m. Where does the right ventricle send blood - Correct Answers ✅deoxygenated blood to the lungs
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Where does the left ventricle send blood - Correct Answers ✅oxygenated blood to the body/ peripheral circulation What are the three sources the right atrium receives blood - Correct Answers ✅above: superior vena cava below: inferior vena cava inside the heart m.: coronary sinus the blood in veins are considered what - Correct Answers ✅oxygen poor blood vessels leading AWAY from the heart are - Correct Answers ✅arteries blood vessels leading TO the heart are - Correct Answers ✅veins Flow of Blood through the heart - Correct Answers ✅1. right atrium fills with blood
- contracts- tricuspid valve
- right ventricle fills with blood
- contracts- closes tricuspid valve/opens pulmonary valve
- blood goes through pulmonary artery to the lungs
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arteries can either ________ or _________ - Correct Answers ✅vasodilation or vasoconstriction diastolic phase is during what part of the blood flow - Correct Answers ✅when the ventricles are relaxed diastolic pressure measures what - Correct Answers ✅the pressure in the arteries during the relaxation of the ventricles systolic phase is what part of the blood flow - Correct Answers ✅when the ventricles contract systolic pressure measures what - Correct Answers ✅the pressure in the arteries during the contraction of the ventricles cardiac cycle - Correct Answers ✅60-100 beats/minute bradycardia - Correct Answers ✅less than 60 tachycardia - Correct Answers ✅greater than 100 sinoatrial node (SA) - Correct Answers ✅located right atrium
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pacemaker of the heart rhythms caused by the SA node are called what - Correct Answers ✅sinus rhythms ectopic pacemakers occur when - Correct Answers ✅when the SA node fails- they will be produced and take over as the pacemaker the impulse from the SA Node travels to where - Correct Answers ✅the atrioventricular node (AV) after the AV node is stimulated where does the impulse go - Correct Answers ✅bundle of His where does the impulse go after the bundle of His - Correct Answers ✅purkinje fiber system the Purkinje system does what with the impulse - Correct Answers ✅fibers that branch into the right and left ventricles and the ventricles will contract does the AV node speeds up or slows down the impulse - Correct Answers ✅slows down
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lingual artery supplies where - Correct Answers ✅tongue and floor of mouth facial artery supplies - Correct Answers ✅the face- located behind mandible inferior alveolar artery supplies - Correct Answers ✅mandible and teeth maxillary artery supplies - Correct Answers ✅maxilla, sinuses, teeth, nose important veins in antecubital space - Correct Answers ✅cephalic, basiilic, pharynx is located where - Correct Answers ✅space between the nose and the trachea three sections three sections of the pharynx are what - Correct Answers ✅1. nasopharynx
- oropharynx
- laryngopharynx
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nasopharynx is located where - Correct Answers ✅above the back of the soft palate oropharynx is located where - Correct Answers ✅lies between the soft palate and the epiglottis laryngopharynx is located where - Correct Answers ✅directly behind the larynx- voice box epiglottis is what - Correct Answers ✅soft tissue valve that covers the larynx. located at the base of the tongue purpose of epiglottis - Correct Answers ✅allow air in and out of the lungs- prevents food or liquids from entering the lungs. closes the airway while swallowing the lower airway is what - Correct Answers ✅trachea trachea is how large - Correct Answers ✅12 cm in length 2.5 cm in diameter
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How much oxygen is connected to hemoglobin - Correct Answers ✅1.34 mL Dead Space - Correct Answers ✅-area where gas will not be exchanged -extends from the pharynx to the bronchioles -area is 150 cc of volume space tidal volume - Correct Answers ✅amount of air inhaled and exhaled -average 500 cc -350 cc of air actually reached the alveoli respiratory involuntary function due to - Correct Answers ✅center located in medulla oblongata Normal adult respiration - Correct Answers ✅12- 16 respirations/min at rest
