Psl exam Study guides, Class notes & Summaries

Convulsions a sudden, violent, irregular movement of a limb or of the body, caused by involuntary contraction of muscles Hyponatremia - causes? Hyponatremia is a condition that occurs when the level of sodium in your blood is abnormally low. Sodium is an electrolyte, and it helps regulate the amount of water that's in and around your cells. Red Cell Crenation A process resulting from osmosis in which red blood cells, in a hypertonic solution, undergo shrinkage and acquire a notched or scallop...

The resting membrane potential is mainly determined by: a. The sodium gradient b. The chloride gradient c. The potassium gradient d. The calcium gradient correct answers The potassium gradient The net outward flow of chloride would best be described as a: a. Equilibrium Current b. Inward current c. Outward current d. Positive Current correct answers Inward current What does the Nernst Equation predict for any concentration gradient of a particular ion across a membrane...

What do melanocortins do? A. Absorb UV radiation B. Store carbohydrates C. Activate pain receptors D. Suppress appetite correct answers D. Suppress appetite Which hormone released from the digestive tract increases appetite? A. Neuropeptide Y B. CCK C. Ghrelin D. PYY3-36 correct answers A. Ghrelin What cells release the fever-inducing molecule endogenous pyrogen? A. Hypothalamus B. Adipose tissue C. Dermis D. White blood cells correct answers D. White blood cells ...

Explain any differences, issues, and benefits of using various measurement devices for taking body temperature? Which of our modalities gives a closer measure to the "core" temperature? Why? correct answers Gold standard is the rectal thermometer, which gives an approximate value of 37.6 deg C. We used the digital, mercury, forehead strip, infrared thermometer. Some of the inaccurate ones gave reading more quickly. The oral digital thermometer gives the closest reading of central core tempera...

MKTG 3340 Exam Questions and Answers (Graded A) MKTG 3340 Exam Questions and Answers (Graded A) MKTG 3340 Exam Questions and Answers (Graded A) Alternative Growth Strategies: Marketing Penetration - ANSWER-increase of sales of current products in existing markets, focus on advertising, promotion, and price reductions Alternative Growth Strategies: Market Development - ANSWER-sell existing products to new markets (demographic segments or geographic markets) focus on distributi...

If a patient becomes dehydrated, the percentage of plasma in a centrifuged sample of his or her blood would likely correct answers Decreases As blood is pumped out of the heart and into the major arteries leaving the heart correct answers pushes against the semilunar valves and opens them. Which heart chambers contain deoxygenated blood? correct answers Right atrium and right ventricle The heart valves___ correct answers permit the passage of blood in one direction. Oxygen-poor b...

Define homeostasis and identify the components of homeostatic system. correct answers "State of normality" Receptor : detect change Integrating Center : sends instructions Effector : adjusts change Describe how negative feedback loops regulate blood glucose (endocrine) and blood pressure (neural). correct answers Blood Glucose : - glucagon : increase blood sugar - insulin : decrease blood sugar Blood Pressure : - vasodilation - vasoconstriction Distinguish the primary...

skeletal muscle correct answers attached to the skeleton; striated, voluntary. contains lots of mitochondria because skeletal muscle cells are doing a lot of cellular respiration so they can make ATP to contract; lots of nuclei. cardiac muscle correct answers heart muscle; striated (more branching/spaces between), involuntary smooth muscle correct answers G1 tract; non-striated, involuntary. GI tract (guts), esophagus, stomach, small/large intestine, eyes (iris, ciliary body), uterus, u...

Describe B lymphocytes, plasma cells, T lymphocytes correct answers B lymphocytes become cells called plasma cells, plasma cells secrete antibodies, the antibodies provide humoral immunity, T lymphocytes provide immunity not by secretion of anitbodies. Identify cytotoxic T cells and helper T cells as types of T lymphocytes correct answers cytotoxic T cell search and destroy the invader by a cell to cell interaction, these cells are directly responsible for cell mediated immunity helper T...

ASP Exam Already Graded A+ What are the three main security responsibilities? 2. Protect the Restricted Area 3. Control Access to the Restricted Area 1. Identify the Restricted Area What is the example of protecting the Restricted Area? What is used to identify the restricted area? Signage Physical barriers What are examples of control access to the restricted area? Who screens passengers, baggage's and employees? CATSA ACOs, CATSA Who regulates and audits a...