Description : Which of the following connective tissue disorders is characterized by insoluble collagen being formed and accumulating excessively in the tissues? a) Scleroderma Scleroderma occurs initially in the ... In polymyalgia rheumatic, immunoglobulin is deposited in the walls of inflamed temporal arteries.
Last Answer : a) Scleroderma Scleroderma occurs initially in the skin but also occurs in blood vessels, major organs, and body systems, potentially resulting in death.
Description : What is the name of the tiny blood vessels that surround the alveoli?
Last Answer : These are called the alveoli capillaries.
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 : Open circulatory system is the one in which blood does not circulate only inside blood vessels but it also falls in cavities that irrigate tissues. In the open circulatory system ... and protochordates have open circulatory system. The Circulatory System - Image Diversity: open circulatory system
Last Answer : What is a closed circulatory system?
Description : The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue
Last Answer : (b) Epithelial tissue
Description : In animals that do not present the circulatory system the transport of substances occurs by cell to cell diffusion. The blood is a fundamental means of substance transport for larger animals ... there are tissues distant from each other and from the environment thus making diffusion impossible.
Last Answer : What are the two types of circulatory systems?
Description : 'Diffusion hypoxia’ is likely to occur only after use of nitrous oxide because it: A. Is a respiratory depressant B. Has low blood solubility and is used in high concentration C. Is a very potent anaesthetic D. Interferes with diffusion of oxygen into the tissues
Last Answer : B. Has low blood solubility and is used in high concentration
Description : The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. ... Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly
Last Answer : (b) A : Alveolar cavity - Main site of exchange of respiratory gases
Description : Pick out the wrong statement. (A) The binary diffusivity in liquids is of the order of 10 -5 cm2 /sec (B) Molecular diffusion in solid is much faster than that in liquids ( ... Poiseuille's law, the permeability decreases with increase in temperature for flow of a gas through a given capillary
Last Answer : (B) Molecular diffusion in solid is much faster than that in liquids
Description : Which of the following terms is used to describe hemorrhage from the nose? a) Epistaxis Epistaxis is due to rupture of tiny, distended vessels in the mucous membrane of any area of the nose. b ... of a large amount of fluid from the nose. d) Dysphagia Dysphagia refers to difficulties in swallowing.
Last Answer : a) Epistaxis Epistaxis is due to rupture of tiny, distended vessels in the mucous membrane of any area of the nose.
Description : Which of the following terms refers to enlarged, red, and tender lymph nodes? a) Lymphadenitis Acute lymphadenitis is demonstrated by enlarged, red and tender lymph nodes. b) Lymphangitis ... refers to a condition in which chronic swelling of the extremity recedes only slightly with elevation.
Last Answer : a) Lymphadenitis Acute lymphadenitis is demonstrated by enlarged, red and tender lymph nodes.
Description : The Correct Statements with reference to single called organisms are (i) Complex substances are not broken down in to simpler substances. (ii) Simple diffusion is sufficient to meet the requirement of exchange of gases. (iii) Specialized ... b) (ii) and (iii) (c) (ii) and (iv) (d) (i) and (iv)
Last Answer : Answer: (c)
Description : The absorption of intact protein from the gut in the foetal and newborn animals takes place by (A) Pinocytosis (B) Passive diffusion (C) Simple diffusion (D) Active transport
Last Answer : A
Description : The exchange of material takes place (A) Only by diffusion (B) Only by active transport (C) Only by pinocytosis (D) All of these
Last Answer : D
Description : When does diffusion of gases takes place?
Last Answer : Diffusion of gases takes place when the gases do not react with one another.
Description : The exchange of gases in the alveoli of the lungs takes place by (a) passive transport (b) active transport (c) osmosis (d) simple diffusion.
Last Answer : d) simple diffusion.
Last Answer : (D) All of these
Description : Beta adrenergic blockers lower intraocular tension by: A. Down regulating adenylyl cyclase in ciliary body through reduced activation of β2 adrenoceptors B. Constricting ciliary blood vessels ... action on trabecular meshwork D. Reducing aqueous formation unrelated to beta adrenoceptor mediation
Last Answer : A. Down regulating adenylyl cyclase in ciliary body through reduced activation of β2 adrenoceptors
Description : The bacterial enzyme ______ assists the spread of bacteria away from a blood clot, while ______ assists the spread through body tissues. a. Streptokinase; Hyaluronidase b. Streptokinase; Hemolysin c. Coagulase; Hyaluronidase d. Coagulase; Hemolysin
Last Answer : a. Streptokinase; Hyaluronidase
Description : Thyroid gland takes up circulating iodine (A) By simple diffusion (B) By facilitated diffusion (C) By active uptake (D) In exchange for chloride
Last Answer : Answer : C
Description : When a blood vessels wall is injured, which one of the following phenomenas take place with thrombocyte ?
Last Answer : When a blood vessels wall is injured, which one of the following phenomenas take place ... Agglutination B. Aggregration C. Activation D. Adhesion
Description : Which blood vessels carry oxygen-rich blood from the heart to the rest of the body?
Last Answer : The large artery connected to the heart, called the Aorta.
Description : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open spaces or body cavities called sinuses. Reason
Last Answer : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open ... D. If both Assertion & Reason are false.
Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these
Last Answer : ANSWER: A
Description : If we are to measure the length of blood vessels in our body, how many kilometres would it add up to? (a) 10 km (b) 1,000 km (c) 96,000 km (d) 10,000 km
Last Answer : Ans:(c)
Description : The vascular lesions caused by leeches upon the blood vessels of their host cause blood naturally to coagulate. How does the leech solve this problem since it could be expected that the ingested blood would coagulate inside its body?
Last Answer : Ingested blood does not coagulate inside the leech (Hirudo medicinalis) because in its saliva there is a potent anticoagulant substance, a protein called hirudin. In the past leeches were ... in prevention against tissue necrosis after some surgeries and in several others fields of Medicine.
Description : Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries
Last Answer : (2) Sweat glands Explanation: In the skin, two types of glands are present.
Last Answer : (3) Lymph vessels Explanation: The lymphatic system consists of a network of specialized lymphatic vessels and various tissues and organs throughout the body that contain lymphocytes (White Blood Cells) and ... skin and in the deeper fatty tissues near the muscles and can be found near arteries.
Description : Identify the site where Wuchereria bancrofti is normally found in human body. (a) Muscles of the legs (b) Blood vessels of the thigh region (c) Skin between the fingers (d) Lymphatic vessels of the lower limbs
Last Answer : (d) Lymphatic vessels of the lower limbs
Description : Which of the following structures present in mammalian skin directly helps in keeping the body warm ? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries
Last Answer : Lymph vessels
Description : Ureter, blood vessels and nerves enter in to the kidney through `:-`
Last Answer : Ureter, blood vessels and nerves enter in to the kidney through `:-` A. Pelvis B. Helium C. Convex surface D. Pyramid
Description : The endothelium: a. maintains the integrity of the corneal stroma through an ATP-Na+, K+-dependent pump b. receives its nutrient from the blood vessels surrounding the cornea c. undergoes multiplication in response to trauma d. contains tight junction between adjacent endothelium
Last Answer : maintains the integrity of the corneal stroma through an ATP-Na+, K+-dependent pump
Description : Select the action of vasopressin exerted through the V1 subtype receptors: A. Release of coagulation factor VIII and von Willebrands factor from vascular endothelium B. Increased peristalsis of gut C. Dilatation of blood vessels D. Increased water permeability of renal collecting ducts
Last Answer : B. Increased peristalsis of gut
Description : The respiratory membranes facilitates the exchange of respiratory gases through diffusion . Oxygen enters the deoxygenated blood through diffusion bec
Last Answer : The respiratory membranes facilitates the exchange of respiratory gases through diffusion . Oxygen enters the ... it 40mm Hg and 46 mm Hg respectively
Description : Assertion : - Blood in cockroach is colourless with no respiratory pigment. Reason : - Gasesous exchange occurs through diffusion in haemolymph.
Last Answer : Assertion : - Blood in cockroach is colourless with no respiratory pigment. Reason : - Gasesous exchange occurs through ... A. A B. B C. C D. D
Description : Fructose is absorbed into the blood through mucosa cells of intestine by the process called (a) active transport (b) facilitated transport (c) simple diffusion (d) co-transport mechanism.
Last Answer : (b) facilitated transport
Description : The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium
Last Answer : A. Blood flow through the capillary
Description : Bulk of carbon dioxide `(CO_(2))` released from body tissues into the blood is present as
Last Answer : Bulk of carbon dioxide `(CO_(2))` released from body tissues into the blood is present as A ... . `70%` carbamino-haemoglobin and `30%` as bicarbonate
Description : What disease occurs when there is an abnormal increase in the number of white blood cells which results in fewer red blood cells carrying oxygen to body tissues?
Last Answer : Leukemia
Description : Which of the following is affected by rickets in the human body? A. Bones (Answer) B. Tissues C. Muscles D. Blood
Last Answer : A. Bones (Answer)
Description : Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as (a) bicarbonate in blood plasma and RBCs (b) free CO2 in blood plasma (c) 70% carbamino-haemoglobin and 30% as bicarbonate (d) carbamino-haemoglobin in RBCs.
Last Answer : (a) bicarbonate in blood plasma and RBCs
Description : A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2 (a) acts as a reserve during muscular exercise (b) raises the pCO2 of ... enough to keep oxyhaemoglobin saturation at 96% (d) helps in releasing more O2 to the epithelial tissues.
Last Answer : (a) acts as a reserve during muscular exercise
Description : A malignant tumor a) gains access to the blood and lymphatic channels. By this mechanism, the tumor metastasizes to other areas of the body. b) demonstrates cells that are well- ... malignant tumor grows at the periphery and sends out processes that infiltrate and destroy surrounding tissues.
Last Answer : a) gains access to the blood and lymphatic channels. By this mechanism, the tumor metastasizes to other areas of the body.
Description : Which is NOT a correct association of tissues and hormones or functions? A) adipose tissue--leptin to regulate a feeling of fullness B) thymus--use of iodine to make thyroxine for ... insulin for regulation of blood glucose levels E) pancreas--glucagon for regulation of blood glucose levels
Last Answer : B) thymus--use of iodine to make thyroxine for regulation of body growth
Description : The function of the heart is to (1) Supply oxygen to the tissues (2) carry carbon dioxide from the tissues (3) throw away waste materials (4) pump blood to different parts of the body
Last Answer : pump blood to different parts of the body