Description : In humans the organ that most directly regulates the concentration of water in the bloodstream is?
Last Answer : Feel Free to Answer
Description : The neurohormonal arm of the stress response is well defined. Less is known about the inflammatory arm mediated primarily by cytokines. Which of the following statement(s) is/are true ... Cytokine release may stimulate the release of other cytokines leading to an important cascade of events
Last Answer : Answer: a, d Cytokines, which are produced at the site of injury by endothelial cells and by diverse immune cells throughout the body, also occupy a pivotal position in the stress response ... act as hormones and spill over into the systemic circulation and become detectable in the bloodstream
Description : Which of the following is NOT true about hormones? A) Hormones are secreted into the bloodstream. B) Hormones are released from exocrine glands. C) Hormones may be classified as peptides or steroids. ... a target organ. E) Cells that react to a hormone have specific receptors for that hormone.
Last Answer : B) Hormones are released from exocrine glands.
Description : Answer: b, c, d Eosinophils constitute 1% to 3% of the leukocyte population of the bloodstream. They also reside in tissues and they exhibit phagocytic capabilities. They are less ... the cycle of events that result in recruitment and activation of inflammatory cells at sites of inflammation
Last Answer : Cellular injury from oxidants may be manifest by which of the following? a. Cell membrane lipid peroxidation b. DNA strand breaks c. Cytoskeletal disassembly d. ATP depletion
Description : The following statement(s) is/are true concerning cellular defense mechanisms. a. Macrophages function solely as antigen processing cells in the initial reaction to exposure to an antigen b. Macrophages ... in only small numbers within the tissue and enter an area of infection through diapedesis
Last Answer : Answer: b, d A wide variety of cell types serve to provide host defense at several levels. Macrophages act as the initial antigen processing cell that serves to ... through diapedesis after chemotactic stimuli are excluded by macrophages, bacterial breakdown products, and complement activation
Description : What structure in the arm of a human is found to carry oxygen red blood cells and if so what do they also contain?
Last Answer : Need answer
Description : What Blood alcohol concentration is a measurement of the level of alcohol in the bloodstream and is shown in milligrams of alcohol per how many milliliters of blood?
Description : Which gas enters the bloodstream through the lungs binds to hemoglobin and reduces the amount of exygen that reaches the body's organs and tissues?
Last Answer : Carbon monoxide
Description : When there is a sudden loss of blood from the body the organ which supplies blood is `:-`
Last Answer : When there is a sudden loss of blood from the body the organ which supplies blood is `:-` A. Spleen B. Heart C. Liver D. Lung
Description : What organ supplies blood to all parts of our body?
Description : Which of the following statements regarding cytokines is incorrect? A. Cytokines act directly on target cells and may potentiate the actions of one another. B. Interleukin 1 (IL-1) ... organ dysfunction syndrome because of its multiple actions and the secondary cascades that it stimulates.
Last Answer : Answer: C DISCUSSION: Cytokines are soluble peptide molecules that are synthesized and secreted by a number of cell types in response to injury, inflammation, and infection. Cytokines, which ... is thought to play a central role in the stress response, particularly in response to endotoxemia
Description : The ability of the heart, lungs, and blood vessels to transport oxygen to muscle cells.?
Last Answer : cardiorespiresatory endurance
Description : What is not correct about Long Buccal Nerve:** A. Passes through two heads of pterygoids muscles B. Supplies mucosa over lower and upper molars C. Supplies the buccinator muscle D. Supplies skin over buccinator
Last Answer : C. Supplies the buccinator muscle
Description : The structure which appears to be the only organ to add significant quantities of ketone bodies to the blood is (A) Brain (B) Erythrocytes (C) Liver (D) Skeletal muscle
Last Answer : Answer : C
Description : From the internal surface to the external surface, the digestive tube wall is made of mucosa (epithelial tissue responsible for the intestinal absorption), submucosa (connective tissue beneath the ... within the abdominal cavity. Digestion System - Image Diversity: histology of the digestive tube
Last Answer : What is the location of the salivary glands in humans?
Description : Does alcohol in the bloodstream have antibacterial properties?
Last Answer : No.
Description : synergism is like a ________ in your bloodstream. -General Knowledge
Last Answer : Synergism is like a volcano in your bloodstream.
Description : How long does it take for weed to get out of bloodstream?
Description : Can Alcohol pass directly into the bloodstream from the stomach or mouth?
Last Answer : Small amounts of alcohol can indeed pass directly into thebloodstream from the mouth or stomach. Most alcohol passes into thebloodstream through the liver though.--------------------- ... bydiffusion. Most absorption occurs from the small intestine due toits large surface area and rich blood supply
Description : What makes an alcohol analyzer able to read the amount of alcohol in your bloodstream?
Last Answer : Alcohol is not digested by the body. It travels around intact in the bloodstream and is released in various ways, including on the breath. The device called a "breathalyzer" measures how much alcohol is ... drinks when they have a flu or other sickness - an body temperature increase of 1°C/1.8°F
Description : What is an injection given directly into an animal’s bloodstream?
Last Answer : Intravenous (IV)
Description : On average red blood cells live around 120 days. The spleen is the main organ where old red blood cells are destroyed. During the red blood cell destruction the heme groups turn into bilirubin and this substance is then captured by the liver and later excreted in the bowels as part of the bile.
Last Answer : What are the functions of the spleen?
Description : The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis ... exchange independently from the circulation) are generally slower and have a low metabolic rate.
Last Answer : What is the difference between octopuses and mussels regarding their circulatory systems?
Description : What are the two organ system involved in providing oxygen to cells and removing carbon dioxide from cells?
Description : Which two statements explain how an earthworm’s organ systems help provide its cells with oxygen?
Last Answer : the respiratory system brings oxygen into the body
Description : How much oxygen, blood supplies to tissues in one circulation in normal condition `,-`
Last Answer : How much oxygen, blood supplies to tissues in one circulation in normal condition `,-` A. `75%` B. `4%` C. `25%` D. `20%`
Description : What are some good upper arm exercises that I can do to build muscle?
Last Answer : chin ups - its works out the muscles heavily. pull ups - For builds back and arms muscles. push ups - builds chest, shoulders and arm muscles. one arm push ups - for arms and back, need to do the same amount for each hand.
Description : The type of muscle present in our (a) heart is involuntary and unstriated smooth muscle (b) intestine is striated and involuntary (c) thigh is striated and voluntary (d) upper arm is smooth muscle and fusiform in shape.
Last Answer : (c) thigh is striated and voluntary
Description : Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it? (a) Biceps of upper arm – S m o o t h m u s c l e fibres (b) Abdominal wall – Smooth muscle (c) Iris – Involuntary smooth muscle (d) Heart wall – Involuntary unstriated muscle
Last Answer : (b) Abdominal wall – Smooth muscle
Description : In biological studies which of the following is used to refer to the oxygen-binding, iron-containing, conjugated protein complex present in the sarcoplasm of muscle cells? a) myelin b) myosin c) myoglobin d) none of these
Last Answer : ANSWER: C -- MYOGLOBIN
Description : In the normal resting state of humans, most of the blood glucose burned as fuel is consumed by (A) Liver (B) Adipose tissue (C) Muscle (D) Brain
Last Answer : Answer : A
Description : The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part. (a) B - Capillary-Thin without muscle layer and ... blood to heart, pO2 = 95 mmHg (d) A - Artery-Thick walled and blood flows evenly
Last Answer : (c) D - Pulmonary vein-Takes oxygenated blood to heart, pO2 = 95 mmHg
Description : Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.
Last Answer : (c) loss of half of the short arm of chromosome 5
Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na
Description : The affected organ in Mc Ardle’s syndrome is (A) Liver (B) Kidney (C) Liver and Heart (D) Skeletal muscle
Last Answer : Answer : D
Description : Metabolic rate of the following organ is not significantly affected by thyroxine: A. Brain B. Heart C. Liver D. Skeletal muscle
Last Answer : A. Brain
Description : 7.3 Metabolic rate of the following organ is not significantly affected by thyroxine: A. Brain B. Heart C. Liver D. Skeletal muscle
Description : The organ most sensitive to actions of atropine is: A. Gastric glands B. Salivary glands C. Urinary bladder muscle D. Heart
Last Answer : B. Salivary glands
Description : What is the substance that stimulates the production of red blood cells? Which is the organ that secretes it? Under what conditions does this secretion increase?
Last Answer : The substance that stimulates the production of red blood cells by the bone marrow is erythropoietin. Erythropoietin is a hormone secreted by the kidneys. Its secretion is increased when there is deficient ... (as it occurs in high altitudes) or by internal diseases, as in pulmonary diseases.
Description : Which organ helps to process white blood cells; destroys old red blood cells and stores iron'?
Last Answer : Spleen
Description : Which organ of the body functions to remove old blood cells from circulation?
Last Answer : ANSWER: SPLEEN / LIVER
Description : Surplus red blood cells, needed to meet an emergency, are MAINLY stored in what organ of the human body? Is it the: a) pancreas b) spleen c) liver d) kidneys
Last Answer : ANSWER: B -- spleen
Description : (a) Draw a diagram depicting Human Alimentary Canal and label on it: Gall bladder, Liver and Pancreas. (b) State the roles of Liver and Pancreas. (c) Name the organ which performs the following functions in humans: (i) Absorption of digested food (ii) Absorption of water. -Biology
Last Answer : Answer.(a) (b) Liver: It synthesize and store bile juice secreted by gall bladder which breaks down fats into fat globules. (c) The organ which performs the following functions in humans are as ... * (i) Absorption of digested food - Small intestine. (ii)Absorption of water - Large intestine.
Description : Which one is a vestigial organ in humans ?
Last Answer : Which one is a vestigial organ in humans ? A. Pinna B. Pinna muscles C. Ileum D. Teth
Description : In humans the small intestine can be over 8 meters (26 feet) long. Why do you think this organ is so long?
Description : Skin is an accessory organ of respiration in (a) humans (b) frog (c) rabbit (d) lizard.
Last Answer : (b) frog
Description : The process of osmosis is best illustrated by the movement of: a) salts in blood stream. b) oxygen into red blood cells. c) carbon dioxide through stomata. d) water into root hair cells.
Last Answer : ANSWER: D -- WATER INTO ROOT HAIR CELLS.
Description : What is true about RBCs in humans? (a) They carry about 20-25 percent of CO2. (b) They transport 99.5 percent of O2. (c) They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma. (d) They do not carry CO2 at all.
Last Answer : (a) They carry about 20-25 percent of CO2.
Description : Regarding retinal metabolism: a. insulin is essential for the uptake of glucose by the retina b. anaerobic metabolism predominates c. the pigment retinal epithelium stores glycogen and supplies the need of the retina d. the demand of oxygen is met entirely by the central retinal artery
Last Answer : anaerobic metabolism predominates