Description : A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance ... d. The selectivity of cell membranes relates only to ions and not organic compounds
Last Answer : Answer: a The survival of the cell requires that cytosolic composition be maintained within narrow limits, despite the constant influx of nutrients and the simultaneous outflow of waste. A ... be altered drastically as a result of regulatory or signaling processes that occur within the cell
Description : Besides the liver which is the other adnexal gland of the digestive system that releases substances in the duodenum participating in extracellular digestion?
Last Answer : The other adnexal gland of the digestive system is the pancreas. This organ makes digestive enzymes that digest proteins (proteases), lipids (lipases) and carbohydrates (pancreatic amylases). ... and deoxyribonuclease are also secreted by the pancreas. Digestion System - Image Diversity: pancreas
Description : Which of the following receptors are specifically responsible for maintenance of balance of body and posture? (a) Basilar membrane and otoliths (b) Hair cells and organ of corti (c) Tectorial membrane and macula (d) Crista ampullaris and macula
Last Answer : (d) Crista ampullaris and macula
Description : The part of the brain responsible for maintain balance like walking in a straight line or riding a bicycle is called – (1) Medulla (2) Pons (3) Pituitary Gland (4) Cerebellum
Last Answer : (4) Cerebellum Explanation: These functions are made possible due to a part of the hind-brain called the cerebellum. It is responsible for precision of voluntary actions.
Description : Which of the following statement(s) is/are true concerning the microvascular and cellular response to shock? a. Osmodically induced mobilization of intracellular fluid is the initial ... d. Abnormal intracellular calcium homeostasis may contribute to the cellular dysfunction of shock
Last Answer : Answer: c, d Moderate hypovolemia results in a relatively rapid spontaneous restitution of intravascular volume through expansion of the plasma space. This plasma expansion by ... potassium pump. Cellular dysfunction also appears to be related to abnormal intracellular calcium homeostasis
Description : An osmotic diuretic, such as Mannitol, is given to the patient with increased intracranial pressure (IICP) in order to a) dehydrate the brain and reduce cerebral edema. Osmotic diuretics ... Medications such as barbiturates are given to the patient with IICP to reduce cellular metabolic demands.
Last Answer : a) dehydrate the brain and reduce cerebral edema. Osmotic diuretics draw water across intact membranes, thereby reducing the volume of brain and extracellular fluid.
Description : Important buffer system of extracellular fluid is (A) Bicarbonate/carbonic acid (B) Disodium hydrogen phosphate/sodium dihydrogen phosphate (C) Plasma proteins (D) Organic Phosphate
Last Answer : Answer : A
Description : The principal cation in extracellular fluid is (A) Sodium (B) Potassium (C) Calcium (D) Magnesium
Description : The percentage of calcium present in extracellular fluid is (A) 1 (B) 5 (C) 10 (D) 50
Description : In primary dehydration (A) Intracellular fluid volume is reduced (B) Intracellular fluid volume remains normal (C) Extracellular fluid volume is much reduced (D) Extracellular fluid volume is much increased
Description : The % of ‘K’ in Extracellular fluid is about (A) 1% (B) 2 to 3% (C) 10% (D) 15%
Description : An extracellular fluid having a higher concentration of chloride than serum is (A) Bile (B) Sweat (C) CSF (D) Pancreatic juice
Last Answer : Answer : C
Description : Concentration of the following is higher in intracellular fluid than in extracellular fluid: (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate
Last Answer : Answer : B
Description : Which of the following statement is correct about membrane cholesterol? (A) The hydroxyl group is located near the centre of the lipid layer (B) Most of the cholesterol is in the form ... forms a rigid, planar structure (D) The hydrocarbon chain of cholesterol projects into the extracellular fluid
Last Answer : C
Description : Total body mass is composed of an aqueous component and a nonaqueous component. The nonaqueous component is made up of which of the following? a. Liver b. Tendons c. Skeletal muscle d. Extracellular fluid e. Adipose tissue
Last Answer : Answer: b, e The nonaqueous portion of total body mass is made up of bones, tendons, and mineral mass as well as adipose tissue. The aqueous component contains the body cell ... and circulating blood cells. Also contributing to the aqueous portion is the interstitial fluid and intravascular volume
Description : Which of the following statement(s) is/are true concerning the cell plasma membrane? a. The plasma membrane is composed of amphipathic molecules b. The hydrophobic core of the lipid bilayer of the ... contribute to the cell coat d. The membrane proteins of nerve cells are highly voltage-dependent
Last Answer : Answer: a, b, d The plasma membrane defines the boundary of the cell and serves to contain and concentrate enzymes and other macromolecule constituents. The plasma membrane is ... and bear carbohydrate moieties primarily as oligosaccharide chains that contribute to the cell coat or glycocalyx
Description : Which of the following statements regarding hypercalcemia are true? A. The symptoms of hypercalcemia may mimic some symptoms of hyperglycemia. B. Metastatic breast cancer is an unusual cause of ... fluid volume deficit. E. Urinary calcium excretion may be increased by vigorous volume repletion.
Last Answer : Answer: ADE DISCUSSION: Markedly elevated serum calcium levels produce polydipsia, polyuria, and thirst. Vigorous volume repletion and saline diuresis correct the extracellular fluid volume ... , from bony metastasis. The calcitonin effect on calcium is diminished with repeat administrations
Description : Which of the following statements about extracellular fluid are true? A. The total extracellular fluid volume represents 40% of the body weight. B. The plasma volume constitutes one fourth ... the interstitial fluid. E. The interstitial fluid equilibrates slowly with the other body compartments.
Last Answer : Answer: B DISCUSSION: The total extracellular fluid volume represents 20% of body weight. The plasma volume is approximately 5% of body weight. Sodium is the principal cation. The ... fluid and cerebrospinal fluid, the majority of the interstitial fluid exists as a rapidly equilibrating component
Description : True statements about the pH of the extracellular fluid: a. in healthy people it is maintained between 7.4 and 7.5 b. is increased in hypovolaemic shock c. decreases following a cardiac arrest d. influences the binding of drugs to plasma proteins
Last Answer : . influences the binding of drugs to plasma proteins
Description : Compared with intracellular fluid, extracellular fluid has, a. a greater osmolarity b. a higher protein concentration c. a lower chloride ion concentration d. a lower hydrogen ion concentration
Last Answer : a lower hydrogen ion concentration
Description : With regard to the blood retina barrier: a. the outer blood retina is formed by the retinal pigment epithelium cells and their junctions b. the blood retina barrier is typically defective in the ... fluid and anions from the extracellular space of the retina into the circulation d. all above
Last Answer : all above
Description : During the propagation of a nerve impulse, the action potential results from the movement of (a) K+ ions from intracellular fluid to extracellular fluid (b) Na+ ions from extracellular ... extracellular fluid to intracellular fluid (d) Na+ ions from intracellular fluid to extracellular fluid.
Last Answer : (b) Na+ ions from extracellular fluid to intracellular fluid
Description : Which of the following electrolytes is a major anion in body fluid? a) Chloride Chloride is a major anion found in extracellular fluid. b) Potassium Potassium is a cation. c) Sodium Sodium is a cation. d) Calcium Calcium is a cation.
Last Answer : a) Chloride Chloride is a major anion found in extracellular fluid.
Description : Which of the following statement is correct about membrane cholesterol? (A) The hydroxyl group is located near the centre of the lipid layer (B) Most of the cholesterol is in the form ... forms a rigid, planar Structure (D) The hydrocarbon chain of cholesterol projects into the extracellular fluid
Last Answer : (C) The steroid nucleus form forms a rigid, planar Structure
Description : Which of the following statement(s) is/are true concerning the remodeling phase of wound healing? a. Total collagen content increases steadily through this phase b. The normal adult ratio ... unwounded skin d. The proteoglycans are responsible for the ground substance of the extracellular matrix
Last Answer : Answer: b, d The transition from the proliferative phase to the remodeling phase of wound healing is defined by reaching collagen equilibrium. Collagen accumulation within the wound becomes maximal by ... in strength for six months or more, eventually reaching 70% of the strength of unwounded skin
Description : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.
Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle
Description : Given below is an incomplete table on hormones, their source glands and one major effect of each human body. Identify the option representing correct grouping of hormone its gland and ... hormone (b) Placenta Insulin Vasopressin (c) Ovary Insulin Calcitonin (d) Placenta Glucagon Calcitonin
Last Answer : (a) Ovary Glucagon Growth hormone
Description : Select the option which correctly matches the endocrine gland with its hormone and its function. Endocrine Hormone Function gland (a) Placenta Estrogen Initiates secretion of the milk (b) Corpus ... of sperms (d) Ovary FSH Stimulates follicular development and the secretion of estrogens
Last Answer : (c) Leydig’s Androgen Initiates the cells production of sperms
Description : Tubular secretion helps in maintenance of ____ and _____ balance of the body.
Last Answer : Tubular secretion helps in maintenance of ____ and _____ balance of the body.
Description : Identify the part of brain that controls the maintenance of posture, balance and equilibrium.
Last Answer : Cerebellum
Description : All the following statements about endemic goiter are true except (A) It occurs in areas where soil and water have low iodine content (B) It leads to enlargement of thyroid gland (C) It results ultimately in hyperthyroidism (D) It can be prevented by consumption of iodised salt
Description : Which of the following play a significant role in the maintenance of high osmolarity of cortex interstitial fluid ?
Last Answer : Which of the following play a significant role in the maintenance of high osmolarity of cortex interstitial fluid ? ... B. DCT C. PCT D. NaCl and urea
Description : Which gland is concerened with salt equilibrium in body
Last Answer : Which gland is concerened with salt equilibrium in body A. Anterior pituitary B. Pancreas C. Adrenal D. Thyroid
Description : A 55-year-old male undergoes a total abdominal colectomy. Which of the following statement(s) is/are true concerning the hormonal response to the surgical procedure? a. Adrenocorticotropic ... in serum insulin and a fall in glucagon accelerate hepatic glucose production and maintain gluconeogenesis
Last Answer : Answer: a, c One of the earliest consequence of a surgical procedure is the rise in levels of circulating cortisol that occur in response to a sudden outpouring of ACTH ... hepatic glucose production, and, with other hormones (epinephrine and glucocorticoids), gluconeogenesis is maintained
Description : Which hormone is responsible for maintenance of preganancy ?
Last Answer : Which hormone is responsible for maintenance of preganancy ? A. HCG B. Progesterone C. Estrogen D. Prostaglandin
Description : Assistant Superintendents attached to the Mail offices to be perform a) To exercise overall supervision over the work done in the mail office. He will be responsible for proper maintenance of discipline, and ... Officers of the Civil Aviation, IAC, Police, Custom, Railways etc d) All the above;
Last Answer : d) All the above;
Description : The system administrator in CRC a) He will be responsible for the maintenance and security in the functioning of the system by keeping secrecy of his own password and also ensuring proper maintenance ... and periodical Back-up/Restore of data and cleaning up of records. d) All the above
Last Answer : d) All the above
Description : Which gland is responsible for the secretion of insulin? -Do You Know?
Last Answer : answer:
Description : Gland which is responsible for rhythms of sleep wake cycle
Last Answer : Gland which is responsible for rhythms of sleep wake cycle
Description : Endocrine gland responsible for immunity is
Last Answer : Endocrine gland responsible for immunity is A. Pineal B. Thymus C. Pituitary D. Adrenal
Description : Which gland is responsible for the secretion of Insulin?
Last Answer : Pancreas
Description : Which one of the following glands is responsible for secretion of sex hormones? (1) Adrenal gland (2) Thyroid gland (3) Pituitary gland (4) Sebaceous gland
Last Answer : (3) Pituitary gland Explanation: The pituitary is sometimes referred to as the "master gland" as it controls hormone functions such as our temperature, thyroid activity, growth during childhood, urine production, testosterone production in males and ovulation and estrogen production' in females.
Description : The following are true: a. Ig G crosses the placenta b. thymus gland is responsible for cellular immunity c. C1-9 is used by the alternative complement pathway d. eosinophils are responsible for phagocytosis
Last Answer : Ig G crosses the placenta
Description : Which of the following hormones is primarily responsible for stimulating the production of progesterone? a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland. b) Follicle-stimulating ... , are involved in early development of the follicle and also affect the female libido.
Last Answer : a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland.
Description : Which gland is responsible for the secretion of insulin?
Last Answer : Pancrease
Description : 1. In which country were the first Asian Games held? 2. Which game does Anuja Thakur play? 3. Which gland is responsible for the secretion of insulin? 4. The small and marginal farmers will get ... occurs when wind rises up along a hill or mountain barrier? 20. By whom was Kadambari was written?
Last Answer : Answer : 1. India 2. Billiards 3. Pancrease 4. Ganga Kalyan Yojna 5. Chanhu-daro 6. By 1 year at a time 7. 50 K 8. Increasing steadily 9. A dying star 10. Pataliputra 11. Franklin Roosevelt ... group of stars 15. Udayin 16. Limestone and clay 17. Geneva 18. Interest payment 19. Orographic 20. Bana
Description : Which one of the following glands is responsible for secretion of sex hormones ? (1) Adrenal gland (2) Thyroid gland (3) Pituitary gland (4) Sebaceous gland
Last Answer : Pituitary gland
Description : The reactions of the extracellular digestion are hydrolysis reactions, i.e., breaking of molecules with the help of water. The enzymes that participate in digestion are hydrolytic enzymes.
Last Answer : Which organs of the body are part of the human digestive system?
Description : Which of the following statements about normal salt and water balance are true? A. The products of catabolism may be excreted by as little as 300 ml. of urine per day. B. The lungs represent ... of total body water. E. In normal humans, urine represents the greatest source of daily water loss.
Last Answer : Answer: CE DISCUSSION: The skin is the primary source of insensible water loss. Including losses from the lungs, this averages 600 to 900 ml. per day. Catabolism liberates water of solution. In ... still excrete a minimum of 500 to 800 ml. of urine per day to expel the products of catabolism