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Human Anatomy and Physiology

Review Gross Anatomy of the Brain and Cranial Nerves

Using the terms, match the appropriate structures with the descriptions given below: a. cerebellum h. fornix o. pineal body b. cerebral aqueduct i. fourth ventricle p. pituitary gland c. cerebral hemisphere j. hypothalamus q. pons d. cerebral peduncle k. mammillary bodies r. septum pellucidum e. choroid plexus

Neurophysiology of nerve impulses

Respond appropriately to each statement below either by completing the statement or by answering the question raised. 1. The cellular unit of the nervous system is the neuron. What is the major function of this cell type? 2 and 3. What characteristics are highly developed to allow the neuron to perform this function? (hin

Histology of nervous tissue

Supply an answer and explanation for each of the following: a) How is one-way conduction at synapses ensured? b) what is a mixed nerve c) What is the value of the connective tissue wrappings found in a nerve? d) Which cells of the following are multipolar, unipolar or bipolar: (sensory neuron, motor neuron, and

Excretory System

1) How many nephrons are contained in each kidney? about 100 about 1000 less than 100 about a million 2) Which of the following contains the least concentration of glucose plasma nephric filtrate urine 3) What percentage of the glucose in the filtrate is reabsorbed in the nephron? 0%

Nervous System

The junction specialized for the transmission between a neuron and another cell is called a (1) _____ ______. Usually, the signal being sent to the receiving cell is carried by chemical messengers called (2) _____. (3) _____ is an example of this type of chemical messenger, which diffuses across the synaptic cleft, combines with

Nervous System

Nerve cells that conduct messages are called (1) ____. (2) _____ cells, which support and nurture the activities of neurons, make up less than half the volume of the nervous system. (3) _______ neurons respond to specific kinds of environmental stimuli, (4) ______ connect different neurons in the spinal cord and brain, and (5)

REproduction

An immature egg (oocyte) is released from one (1) ____ of a pair. From each ovary, and (2) _____ forms a channel for transport of the immature egg to the (3) ______, a hollow, pear-shaped organ where the embryo grows and develops. The lower narrowed part of the uterus is the (4) _______. The uterus has a thick layer of smooth m

HUman Biology

51. The structure of a lymphatic vessel is most similar to that of a(n) A. artery. B. arteriole. C. vein D. capillary. 52. The spleen A. is the largest lymphatic organ B. it filters the blood. C. it serves as a blood reservoir. D. all of the above 53. The spleen is much like a lymph node except that the

Human Biology

1. The alimentary tube is around _____ meters long. A. 2 B. 4 C. 6 D. 9 2. The processes of chewing are referred to as ______ A. churning B. mastication C. peristalsis D. deglutition 3. How many teeth does an average adult have? A. 20 B. 32 C. 30 D. 52 4. The term wisdom tooth refers to the _____ toot

HUman Biology

1. Attaches a muscle to a bone. A. Maximus 2. Attaches bones to bones. B. Minimus 3. The attachment of a muscle to C. Antagonist a stationary bone. D. Pronator 4. The attachment of a muscle to E. Supinator a bone that moves. F. Insertion 5. The shortening of a muscle. G. Origin 6. A muscle that cause the main

Human Biology of Body Parts

1.The radius is on the (medial, lateral) side of the forearm. 2. The nose is (inferior, superior) to the mouth. 3. The heart is (dorsal, ventral) to the sternum. 4. The carpals are (distal, proximal) to the phalanges. 5. The sternum is (anterior, posterior) to the vertebral column. Directions: Match the following

HUman Biology

This structure supports the weight of the vetebral column and helps protect organs. a. sternum b. pectoral girdle c. pelvic girdle d. acetabulum What converts to red marrow and produces new red blood cells when blood loss from the body is severe. a. yellow marrow b. spongy bone c. compact bone d. red marrow Wha

HUman Biology

The epidermis is thickest on the : a. mouth b. tongue c. scalp d. soles e. elbow Which of the following is not a function of the Integumentary System ? a. movement b. protection c. temperature regulation d. synthesis of vitamin D e. eliminate waste These skin glands are located only i

Pathophysiology

Please could you answer these questions as true or false (also attached): 1. An increase in tissue oncotic pressure contributes to edema. 2. Heart failure is an example of a disease state that causes generalized edema. 3. Hypertonic fluid alterations occur when the osmolality of extracellular fluid is below norma

Metabolizer phenotype of CYP2D6

I got 0 out of 15 points for my answer on this problem. I'm thinking I should have received some partial credit. I'm posting the original question, my answer, and the "official" answer. I understand that the given answer is a better method, but won't my proposed method work? I'm looking for some expert, detailed, technical adv

Mother-Child and the Rh Factor

Regardless of bloodtype what is the problem if the Mother is Rh- with an Rh+ baby? 1st baby, and subsequent babies if not addressed? What happens and how? Also, this is a very strange question to ask you, I know, and if you can provide me with any info, advice, just let me know and I'll post it as a new problem and let me k

Change in blood flow

Indentify other organs and tissues in the given table and comment on the change in blood flow through them when an athlete starts from rest to engage in moderate aerobic exercise then intense anaerobic exercise. I am looking for help and advice in completing this question I have to write about 100 words

Describe the Integral Physiological Mechanisms in Blood Flow

Please help write ideas for an essay on the above using the the following figures and desperately need help to do it. Approx. 400 words. Blood flow measurements (ml min-1) through different organs. rest moderate aerobic intense anaerobic exe

Tetraalkylammonium compounds

Tetraalkylammonium compounds block non-specific cation channels by sticking into the pore. What would the effect of these toxins be on vertebrate vision? Why? Thank you.

Biological Radioactivity Test - Theoretical

Remember the nuclear accident at Chernobyl (former Soviet Union - now the territory of Ukraine) in 1986? A scientist suspects that the food in a nearby ecosystem may have been contaminated with radioactive nitrogen over a period of months. Which substances in plants and animals could be examined for radioactivity to test

OSMORECEPTORS AND MICTURITION AND DEFECATION

Using the negative feedback system, explain how osmoreceptors and CO2 receptors maintain water balance and respiratory rates. Include a diagram. How are micturation and defecation reflexes different? NOTE: Moved from Physiology to Biology to expose question to different Online TAs.

Diagram amino acid adsorption in the small intestinal lumen.

i need help diagraming the process of the following instructions. please help me. On a single page, diagram removal of an amino acid from protein by a peptidase in the intestinal lumen, followed by absorption of the amino acid. This process will include an epithelial cell actively transporting the an amino acid from the lumen

Twitch contraction

Hi-Please explain what the refractory period is and when it happens-before or after relaxation? Thanks.

This job compares cerebral cortexes.

I understand that a mammal brain with a relatively smooth cerebral cortex would have a smaller surface area compared to a mammal brain with many sulci. This job examines the effect on the habits of these mammals in respect of feeding, breeding etc.