Membrane potent Study guides, Class notes & Summaries

Hershey and Chase performed an experiment in order to determine how bacteriophages infect bacteria. What did they find? The bacteriophage injects DNA into the host cell. This was found because, after centrifugation, the pellet was radioactive The largest difference between a Gram + and Gram - bacterial cell is: The gram + cell has a much thicker peptidoglycan layer Why does a Gram + cell stain blue/purple in a gram stain? The Gram + cell stains blue/purple because crystal violet rem...

Psychopharm Exam 1 practice 170 Questions with Verified Answers The PMHNP is evaluating a 68-year-old man for symptoms of major depression. While assessing the appearance of the patient, an obvious left-sided ptosis is noted. Which cranial nerve is directly linked to this condition? a. III b. IV c. V d. VI - CORRECT ANSWER A A 55-year-old woman has been referred for a psychiatric evaluation for a change in personality, lack of impulse control, and increasingly reckless decision-making....

Active transport and membrane potential

First line of defence correct answers the external body membranes -intract skin and mucosae. second defence correct answers called into action whenever the first line has been penetrated, relies on internal defences such as antimicrobial proteins, phagocytes and other cells to inhibit the invaders spread throughout the body, this is where inflammation happens. Innate (nonspecific) defense system correct answers Is always prepared, responding within minutes to protect the body from foreign ...

FNDH 620 - Final Exam Study Guide True or False Vitamins: - cannot be made in the body - noncaloric - required in small amounts (mg and mcg) - TRUE Vitamins: - cannot be made in the body - noncaloric - required in small amounts (mg and mcg) What 3 forms can vitamin A take? - - retinol (alcohol) - retinal (aldehyde) - retinoic acid (acid form from retinal) What form of vitamin A is normally found in blood and tissues? - Retinyl Palmitate What form of vitamin A is found...

Katzung & Trevor's Pharmacology: Examination and Board Review INTRODUCTION 1. A 3-year-old is brought to the emergency department having just ingested a large overdose of tolbutamide, an oral antidiabetic drug. Tolbutamide is a weak acid with a pKa of 5.3. It is capable of entering most tissues, including the brain. On physical examination, the heart rate is 100/min, blood pressure 90/50 mm Hg, and respiratory rate 20/min. Which of the following statements about this case of tolb...

Psychostimulants correct answers Drugs that exert their behavioral effects by augmenting the actin of the monoamine NTs, usually dopamine Cocaine Hydrochloride correct answers Form where the leaves are mashed and cocaine is extracted at 60-80% concentration as a paste that is then treated with hydrochloric acid to form the less potent, water soluble salt Way Cocaine Hydrochloride is absorbed correct answers Through the nasal mucosa OR intravenously when dissolved in water Crack Cocaine ...

virulence - the ability to produce disease efface - to wipe out, to rub out, do away with; (medical) the thinning of the cervix during labor ubiquitous - omnipresent, existing or being everywhere osmosis - process of fluid passing through semi-permeable membrane from higher to lower concentration labile - apt or likely to change, changing quickly -Because the children fever was very labile the nurse instructed the unlicensed assistive personnel to check the temp frequently. febri...

NUR 141 Pharma Test 2, Questions & Answers With Rationales-The nurse is providing education to a client who has been scheduled to receive spinal anesthesia. What anatomical location will the nurse identify as the site of administration? A) Mucous membrane B) Epidural space C) Nerve ganglion D) Lumbar region - D) Lumbar region Rationale: Spinal anesthesia involves injecting the anesthetic agent into the cerebrospinal fluid, usually in the lumbar spine. Epidural anesthesia involves the inj...

Which Pattern is this Flow Volume Loop (short fat loop) correct answer: Obstructive Which Pattern is this Flow Volume Loop correct answer: Normal Which Pattern is this Flow Volume Loop (tall skinny loop) correct answer: Restrictive large, FIXED airway obstruction (like vocal cord paralysis or cancer) correct answer: Very Round Loop Pattern on Flow Volume Loop indicates what? 70% correct answer: What is minimum acceptable for FEV1 Obstruction correct answer: If FEV...