Biol 252 Study guides, Class notes & Summaries

endocrine system - ANSWER Glands secrete hormones that regulate processes such as growth, reproduction, and nutrient use (metabolism) by body cells. what is the endocrine system composed of - ANSWER endocrine glands hormones of the endocrine system are synthesized where? - ANSWER in the glands where are hormones secreted? - ANSWER into the bloodstream 5 major organs of the endocrine system - ANSWER 1. hypothalamus 2. pituitary gland 3. thyroid gland 4. adrenal gland 5. pancreas ...

BIOL 252 Exam 2 with complete solutions

Myocyte - ANSWER Muscle cell Sarcolemma - ANSWER Plasma membrane of myocyte Sarcoplasm - ANSWER Cytoplasm of myocyte Myofibril - ANSWER Tightly packed filament bundles found within skeletal muscle fibers. Contractional unit of a muscle cell. Sarcoplasmic reticulum - ANSWER Site of calcium storage in a muscle cell. Surrounds the myofibrils Transverse tubules (T-tubule) - ANSWER Inward extensions of the sarcolemma that dive into the muscle fiber and surround each myofibril to form a...

BIOL 252 Exam 2 with complete solutions

TECHGRADES Biol 252 Test 1 questions and answers 100% verified.   3 characteristics of Neurons - correct answer. 1) excitability- respond to stimuli (environmental changes) 2) conductivity- respond to stimuli by producing electrical signals 3) secretion- end of nerve fiber- neurons secretes a neurotransmitter and stimulates next cell Soma - correct answer. cell body axon hillock - correct answer. -beginning of axon -trigger zone -where neuro...

kidney functions - ANSWER filter plasma and excrete toxic metabolic wastes; regulate blood volume, pressure, and osmolarity via water output; regulate electrolyte and acid-base balance; secrete erythropoietin; regulate Ca2+ homeostasis and bone metabolism by participating in synthesis of calcitriol; clear hormones and drugs from blood; detoxify free radicals; and help support glucose level in conditions of extreme starvation waste - ANSWER any substance that is useless to the body or present ...

Biol 252 - Motor function disorders Questions With Complete Solutions

Explain the functional divisions of the nervous system. Include the subdivisions of each. - ANSWER Central Nervous System and Peripheral Nervous System - CNS includes the brain and spinal cord - PNS includes autonomic and somatic nervous systems Are thermoreceptors part of the PNS or CNS? - ANSWER PNS A child eats a whole bottle of salt (NaCl) tablets. What effect does this have on the resting membrane potential? - ANSWER no effect - think of the analogy of adding a handful of sand to t...

BIOL 252 Exam 3 Questions and Answers

You are a nurse and obtain the results of the complete blood count (CBC) from your patient below. Which of the following organs may be functioning abnormally? Select all that apply: RBCs: low Hemoglobin: high Hematocrit: slightly low A. Kidney B. Spleen C. Bone - ANSWER A. Kidney B. Spleen C. Bone You are a nurse and obtain the results of the complete blood count (CBC) from your patient below. What can you conclude about your patient RBCs: low Hemoglobin: high Hematocrit: slightly ...