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Which of the following represents a physical change in matter? a. a substance changes color when exposed to air b. a substance produces a gas and a solid when heated c. a substance burns when heated d. a substance solidifies at 443 K - Answer d. a substance solidifies at 443 K Which of the following terms correctly applies to a molecule of CO2? a. diatomic, heteroatomic b. polyatomic, diatomic c. triatomic, homoatomic d. triatomic, heteroatomic - Answer d. triatomi...

What is reduction? - Answer The gain of electrons If I have a diagram and the light molecule becomes negative and the dark molecule becomes positive which atom is being oxidized - Answer only the darker one because it becomes more positive as it loses electrons In the following half reaction, 2NA ---- 2NA+, how many electrons are gained or lost? - Answer 2 electrons are lost because the NA became more positive therefore it lost electrons Which materials is most likely ...

Which of the following is true about the scientific process? - Answer Science is the process of gathering knowledge about the natural world. After testing and refining many ideas, scientists often develop a comprehensive model that explains why things behave as they do. This type of model is best referred to as a(n): - Answer theory Scientific thinking began when: - Answer people became skeptical of their explanations and turned to experimentation Which of the followin...

Compounds - Answer a pure substance that is made up of two or more different types of atoms in a fixed, characteristic, chemical combination. Elements - Answer is composed of many atoms of the same type. Mixtures - Answer a mixture is a material made up of two or more different substances which are physically combined Periodic Table - Groups vs Periods - Answer A period is a horizontal row of the periodic table. There are a total of 7 periods. A group is a verti...

Why can't we see atoms? - Answer We see with light energy & the wavelength of light is larger than the atom & is not reflected The cathode ray consists of ____ - Answer Negatively charged particles Which of the following experiments helped to determine the charge of an electron & (indirectly) its mass? - Answer R. Millikan's oil drop experiments Which of the following statements does not describe a proton? - Answer It orbits around the nucleus of an atom. ...

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DIC - Answer bleeding and clotting disorder -preeclampsia -.HELLP -> DIC Risk factors: post-partum hemorrhage Decrease in fibrinogen in platelets -PTT and PT are prolonged -D-DIMER CONFIRMS FIBRIN SPLIT PRODUCT (CONFIRMS DIC) REPLACE THE BLOOD VOLUME! What shutsdown first in DIC - Answer Renal system shutsdown PPROM - Answer earlier than 37 weeks usualy cuased by infection like chorioamnioitis

The nurse is aware that the complication of most concern for a woman who has delivered a baby within the last hour is: - Answer hemorrhage rationale: ATI Chapter 12 Introduction During the fourth stage of labor, or the recovery period, the risk for hemorrhage is high. Close monitoring of the fundus, lochia, and vital signs is warranted. Which lochia pattern should be reported immediately? - Answer moderate lochia serosa on day 4 postpartum, increasing in volume and changing...

Why is genetic testing/prenatal testing used? - Answer Used when there is a family history of genetic disorder, or to see if each parent has a gene mutation *hope for early detection of any diseases so we can treat early in life!!* What is an example of a genetic disorder? - Answer Hemophilia, PKU (one screening after birth bc something that the baby cant metabolize that is found in breast milk and formula) *she said know these genetic disorders* Nursing interventions a...

braxton hicks contractions - Answer false contractions, painless, irregular, relieved by walking HcG - Answer stimulates the corpus luteum to continue secreting estrogen and progesterone until placenta mature enough to secrete own hormones if found in urine/serum- indicate PROBABLE pregnancy LOW= miscarriage HIGH= multifetal, genetic abnormality

Hegars sign - Answer softening of lower uterus Chadwick's sign - Answer deepened violet-bluish color of vaginal mucosa goodell's sign - Answer softening of cervical top ballotement - Answer rebound of unengaged fetus

An 18-year-old pregnant woman, gravida 1, para 0, is admitted to the labor and birth unit with moderate contractions every 5 minutes that last 40 seconds. The client states, "My contractions are so strong, I don't know what to do." What should the nurse's first action be? a. Assess for fetal well-being. b. Encourage the woman to lie on her side. c. Disturb the woman as little as possible. d. Recognize that pain is personalized - Answer d Each woman's pain during chi...

Presumptive Signs - Answer Symptoms include: N/V, urinary frequency, weight gain, constipation, fatigue, perception of fetal movement Probable signs - Answer Preg test, enlarged abdomen, hegars sign, chadwicks sign, Goodelles sign, ballotement, palpable fetal outline, braxton hicks Positive signs - Answer Fetal heart tones, ultrasound, fetal movement, fetal xray 1st trimester prenatal screening - Answer • Blood type and Rh factor • Antibody screen • Compl...

engorgement - Answer Excessive swelling and overfilling of the breast and areola and is a physiological response to an increase in blood flow and an increase in milk production. May occur from infrequent feeding or ineffective emptying of the breasts, results in congestion and overdistention of the collecting ductal system and obstruction of lymphatic drainage. mastitis - Answer usually occurs several weeks after childbirth. the axillary lymph nodes are enlarged and there is w...

3.A nurse is caring for a newborn immediately following birth. After assuring a patent airway, what is the priority nursing action? a) administer vit k b) dry the skin c) administer eye prophylaxis d) pace an identification bracelet - Answer b) dry the skin A nurse is caring for a client during the first trimester of pregnancy. After reviewing the client's blood work, the nurse notices she does not have immunity to rubella. Which of the following times should the nurse underst...

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The mechanism of high blood pressure is an example of __________. Physiology Pathology Pathophysiology - Answer Pathophysiology Which of the following best describes the term etiology? The study of disease progression The study of disease causes The study of disease populations The study of disease resolution - Answer The study of disease causes T/F The cell membrane is made up only of lipids and cholesterol molecules - Answer False Which of the fo...

Differentiate health from disease. - Answer Health is a state of complete physical, mental, and social wellbeing. Not merely the absence of disease. Define homeostasis - Answer The purposeful maintenance of a stable internal environment. What are the aspects of the disease process? - Answer Definition, Etiology, Pathogenesis, Morphologic changes, Clinical manifestations, Diagnosis, Clinical course, Prognosis Define stress - Answer A state manifested by symptoms t...

While caring for a pregnant patient, the nurse realizes that the hypertrophy of the uterus myometrium is called: A. pathologic hypertrophy B. Physiology hypertrophy C. Stretch hypertrophy D. Trophic Hypertrophy - Answer B. physiologic hypertrophy Which statement ending would be FALSE regarding adaptive changes of cells? Cells can adapt to changes in the environment by: A. atrophy B. hypertrophy C. hyperplasia D. catabolism - Answer D. catabolism The _______ phase of...

According to the Frank-Starling law of the heart, increasing the _______________ within physiologic limits will cause increased contractility - Answer Preload Cardiac output is equal to heart rate time ________________ - Answer stroke volume The normal pacemaker of the heart is the ____________________ - Answer SA node The __________________ nerves increase heart rate and contractibility. - Answer sympathetic At resting potential, a cardiac myocyte is ________...