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1. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the: A. capacitor B. head C. corona D. acrosome E. cumulus - Answer D. is correct. The acrosome is the part of the sperm containing proteolytic enzymes to digest the zona pellucida. It is exposed by the process of capacitation. Then, under the influence of substances released by corona radiata cells, it releases its proteolytic enzymes and penetrates the oocyte. 2. The ovulated mammalian oocy...

Neural crest cells give rise to many tissues in the adult. Which of the following is a tissue that most likely derives from neural crest cells? - Answer Supporting structures of the teeth With the formation of the trilaminar disc some embryonic tissues are continuous with the yolk sac and others with the amniotic cavity. The tissues that form the epithelium lining the digestive system faces which of them? - Answer Yolk Sac Ectoderm gives rise to many tissues in the adult. Which...

The term "terato" (Greek for "monster") describes what characteristic of a newborn child? a. hypoxia b. birth defect c. morula - Answer B This stage of human development occurs when the egg and sperm fuse. a. zygotic stage b. blastocyst stage c. embryonic stage d. fetal stage - Answer A This stage of human development occurs when the single-celled zygote divides into multiple cells, forming a hollow ball of cells. a. zygotic stage b. blastocyst stage c....

1) Ectoderm 2) Mesoderm 3) Endoderm - Answer The human embryo has three layers: Epithelial tissue of the nasal cavity and mouth (oral mucosa, gingiva, and JE) - Answer The ectoderm gives rise to what? ectomesenchyme - Answer Connective tissue derived from ectoderm basically everything in the oral cavity - Answer The ectomesenchyme forms what? the primitive mouth that becomes the nasal and oral cavities - Answer What is the stomodeum? Region of ectoder...

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Penicillins MOA - Answer Effects bacterial cell wall (bactericidal) Penicillinase MOA - Answer Disrupt beta-lactam ring Beta-lactamase Inhibitors - Answer Clavulanate, sulbactam, taxobactam Aminopenicillins - Answer ampicillin broad spectrum ampicillin-sulbactam amoxicillin amoxicillin-clavulanic acid Anti-pseudomonals - Answer ticarcillin-clavulanate Piperacillin-tazobactum Penicillin side effects - Answer hypersensitivity, resistance, and...

Essential thrombocythemia - Answer chronic blood disorder characterized by the overproduction of platelets by megakaryocytes in the absence of another cause Fibrinolysin (plasmin) - Answer breaks down clots by dissolving the fibrin plug after the clot is no longer needed Hemostasis - Answer prevention or stoppage of blood loss from an injured blood vessels & is the process that maintains the integrity of the vascular compartment steps of hemostasis - Answer 1. Va...

The nurse explains to a client that angina can be caused by a thrombus forming in which anatomical location? - Answer the heart Explanation: In coronary arteries, a thrombus may precipitate myocardial ischemia (angina or infarction). Assessment would focus on the coronary system, rather than any of the other presented options. Warfarin typically takes 3 days to achieve its onset of action. - Answer True Evaluation: Warfarin's onset of action is about 3 days; its effects...

Define pharmacokinetics. - Answer The study of what the body does to a drug. Define pharmacodynamics. - Answer The study of what the drug does to the body. Define pharmacogenomics/pharmacogenetics. - Answer The study of the influence of genetic factors on drug response that result in the absence, overabundance, or insufficiency of drug-metabolizing enzymes. Define pharmacotherapeutics. - Answer The clinical use of drugs to prevent and treat diseases. Define ph...

A nurse is teaching a client who has a prescription for zileuton. Which of the following instructions should the nurse include? A) Check apical pulse before taking the drug B)Take the drug only as needed before exercising C) Rinse mouth after using the drug D) Have laboratory tests performed at regular intervals - Answer D) Have laboratory tests performed at regular intervals. A nurse is caring for a client who is taking codeine. The nurse should identify that which of the followi...

A nurse is planning care for a client who is receiving chemotherapy and has a new prescription for ondansetron. Which of the following actions should the nurse plan to take (Select All that apply) A) Infuse the drug 30 min prior to chemotherapy B) Administer the drug when the client reports nausea C) Infuse the drug slowly over 15 min D) Administer the drug immediately following chemotherapy E) Repeat the dose 4 hr after chemotherapy. - Answer A) Infuse the drug 30 min prior to chem...

Upper respiratory tract - Answer Nasal cavity, pharynx, larynx Lower respiratory tract - Answer Trachea, primary bronchi, larynx What are the signs and symptoms of an URTI? - Answer Nasal congestion, cough, bronchial secretion What is the purpose of the upper airway? - Answer humidify and warm air; filtration What do nasal decongestants do? - Answer -act directly on adrenergic receptor to release norepinephrine -cause vasoconstriction -shrink nasal m...

A calendar to mark the days of the week the drug is to be administered Explanation: The nurse should provide the patient with a calendar of the days the drug is to be administered. This will serve as a reminder that the patient has to get to the clinic or that the home health nurse will be coming. This would encourage compliance by being at the clinic or being available at home on the days of administration. An appointment card given to him each time he is to have a dose would be easy to lo...

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Disease - Answer abnormality in the function of tissues/organs leading to dysfunction Signs - Answer any evidence of a disease (evidence from another professional) Symptom - Answer a feature indicating a disease (feeling of person) Pathogenesis - Answer development of a disease Prognosis - Answer medical prediction Idiopathic - Answer any disease that suddenly arises Iatrogenic - Answer any illness caused by medical treatment Syndrom...

Clinical manifestations of severe symptomatic hypophosphatemia are caused by: - Answer deficiency of ATP. Which of the following has a higher concentration in the extracellular fluid than in the intracellular fluid? - Answer Sodium ions A person who has hyperparathyroidism is likely to develop: - Answer hypercalcemia. The inward-pulling force of particles in the vascular fluid is called the: - Answer capillary osmotic pressure. How can low albumin levels from ...

A 30-year-old male was diagnosed with hypothyroidism. Synthesis of which of the following would decrease in this patient? - Answer Thyroid-binding globulin When a patient asks about target cell receptors, which is the nurse's best response? Target cell receptors for most water-soluble hormones are located in the: - Answer Cell membrane When a staff member asks the nurse which gland secretes ADH and oxytocin, how should the nurse respond? - Answer . Posterior pituitary ...

1. Severe and chronic hypertension can lead to which of the following? A. Anemia B. Glaucoma C. Coronary artery disease D. Chronic obstructive pulmonary disease - Answer C. coronary artery disease 2. A client is complaining of having intermittent "chest pain" after exercise. This is most likely the cause by which of the following? A. Mitral valve prolapse B. Infective endocarditis C. Inflammation of the pericardium D. Atherosclerotic plaque progression - Answer D...

Infectious diseases are caused by microscopic organisms, including - Answer Bacteria, Fungi, Parasites Pathology is: - Answer study of disease Etiology of a disease means the: - Answer Study of cause To prevent the spread of disease: - Answer Keep your hands clean If a person has a predisposing factor to a condition it means: - Answer a person is more susceptible to a disease Which of the following would be included in a medical history? - Answer ...

Which of the following best explains the pathogenesis of advanced hypertension? A decreased stimulation of the sympathetic nervous B the intima of arterial walls thickens over time C there is chronic vasodilation D there is a decreased pressure in fragile capillaries - Answer B the intima of arterial walls thickens over time In response to a drop in blood pressure, which of the following will NOT occur? A excitation of alpha receptors B excitation of beta receptors C a decrease i...