Fixation - Study guides, Class notes & Summaries

BIOL 2400 Exam Questions and Answers Latest 2023/2024 | 100% Verified. Which of the following evolutionary processes (on their own) cannot explain allele frequency changes across generations (i.e. evolution)? A. Selection B. Mutation C. Migration D. Inbreeding E. Genetic drift 2. If there are two alleles at a single locus (A1 or A2) and the frequency of the A1 allele is 0.3. What would the frequency of the A1A1 genotype be at Hardy-Weinberg Equilibrium? A. 0.09 B. 0.30 C. 0.42 D. 0....

an organism that can use CO2or CO3- (i.e., inorganic C) as a C source, and obtain energy from the sun (photo) - or from the oxidation of inorganic elements or compounds such as iron, sulfur, hydrogen, ammonium, and nitrites (chemo)? correct answer: Autotroph such as plants, algae, cyanobacteria, etc. an organism that can only get carbon and energy from organic compounds? correct answer: Heterotroph such as bacteria, fungi, protozoa, etc. an organism that grows only in the presence of mol...

What are the steps tissue must go through before it is viewed under a microscope? CORRECT ANSWER-1. Fixation 2. Processing 3. Embedding 4. Microtomy 5. Staining 6. Coverslipping Define fixation. CORRECT ANSWER-The preservation of cells and tissue in as life-like a way as possible by stabilizing the protein so that it is resistant to further changes. What are the functions of fixation? CORRECT ANSWER-1. To prevent putrefaction and autolysis 2. To help maintain proper relationships b/w...

Fixation NSH Self Exam Questions with correct answers

Histotechnology - Tissue FixationAdditive fixatives Mercuric chloride Chromic acid Picric acid Formaldehyde Glutaraldehyde Osmium tetroxide Potassium dichromate Glyoxal Zinc salts Nonadditive fixatives Alcohols Acetone Acetic Acid Coagulant Fixatives Mercuric acid Chromic acid Picric acid Zinc salts Alcohols Acetone Acetic acid Noncoagulant Fixatives Formaldehyde Glutaraldehyde Osmium Tetroxide Potassium Dichromate Glyoxal Are coagulant fixatives addit...

a nurse is caring for a client who's receiving mechanical ventilation when the low-pressure alarm sounds. which of the following situations should the nurse recognize as a possible cause of the alarm? A.) Excess secretions B.) Kinks in the tubing C.) Artificial airway cuff leak D.) Biting on the endotracheal tube - Answer-artificial airway cuff leak rationale: An artificial airway cuff leak interferes with oxygenation and causes the low-pressure alarm to sound. a nurse is providing dis...

CSMLS Histology Fixation Questions and answers 100% verified. The primary purpose of fixation is to: a. stop enzymatic action b. remove the water from the tissue c. provide support for the tissue d. autolyze the tissue - correct answers.a. enzymes are proteins and rendered inactive by fixation Which of the following fixatives contains picric acid, formalin and acetic acid a. Zenker b. Helly c. Bouin d. Zamboni - correct answers.c. Bouin The rati...

A client returns to the postoperative unit following an open reduction and internal fixation of a hip fx. the PN applies the prescribed sequential compression device (SCD) to both lower extremities. WHAT ACTION IS IMPORTANT WHEN TURNING THE CLIENT TO A LATERAL POSITION? - Answer- Observe the SCDs continue to inflate and deflate when the client is turned. While the PN assists a postoperative client with an incentive spirometer, the client experiences wound evisceration. WHAT ACTION SHOULD THE ...

Histotechnology - FixationThe primary purpose of fixation is to: a. stop enzymatic action b. remove the water from the tissue c. provide support for the tissue d. autolyze the tissue - correct answers a Which of the following fixatives contains picric acid, formalin, and acetic acid? a. Zenker b. Helly c. Bouin d. Zamboni - correct answers c The volume of fixative should exceed the volume of the tissue by: a. 1 time to 2 times b. 5 times to 10 times c. 15 times to 20 ...

Detailed Answer Key Medical Surgical Exam A+ Latest Updated Solutions 2024. Detailed Answer Key Medical Surgical 1. A nurse is reviewing the cause of gout with a group of nurses. Which of the following statements should the nurse make? A. "Uric acid levels drop and calcium forms precipitate." Rationale: With gout, clients have hyperuricemia, rather than a reduction in uric acid. B. "Tophi form in the kidneys and they impair the excretion of uric acid." Rationale: Tophi, or deposits i...