Description : Which body system coordinates activities of body parts by releasing hormones into the blood? A) nervous system B) digestive system C) respiratory system D) circulatory system E) endocrine system
Last Answer : E) endocrine system
Description : Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as ... in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.
Last Answer : (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones.
Description : Which of the following structures or regions is incorrectly paired with its functions? (a) Medulla : Controls respiration oblongata and cardiovascular reflexes (b) Limbic : Consists of fibre tracts ... thirst (d) Corpus callosum : Band of fibers connecting left and right cerebral hemispheres
Last Answer : (b) Limbic : Consists of fibre tracts system that interconnect different regions of brain controls movement
Description : Which of the following structures or regions is incorrectly paired with its function ? (1) Medulla oblongata : controls respiration and cardiovascular reflexes. (2) Limbic system : consists of fibre ... and thirst. (4) Corpus callosum : band of fibers connecting left and right cerebral hemispheres.
Last Answer : (2) Limbic system : consists of fibre tracts that interconnect different regions of brain; controls movement.
Description : What structures release digestive secretions into the small intestine?
Last Answer : pancreas and the gall bladderThe pancreas, liver, and gall bladder deliver their products to the small intestine, in particular the first part called the duodenum, through an opening that is called the major duodenal papilla which is controlled by the sphincter of Oddi.
Description : In humans structure that release digestive secretions directly into the small intestine include both th?
Last Answer : Need answer
Description : What are the five human digestive secretions? Which of them is the only one that does not contain digestive enzymes?
Last Answer : The human digestive secretions are: saliva, gastric juice, bile, pancreatic juice and enteric juice. Among these secretions only the bile does not contain digestive enzymes.
Description : Besides the pancreatic juice in the intestine there is the releasing of the enteric juice that contains digestive enzymes too. What are these enzymes and which type of molecule do each of these enzymes break?
Last Answer : The enteric juice is secreted by the small intestine mucosa. The enzymes of the enteric juice and their respective functions are described as follows: Enterokinase: enzyme that activates ... Enzymes that break nucleotides into its components (nitrogen-containing bases, phosphates and pentoses).
Description : $ Hormones are the secretions to all theory. ! During mitosis the number of chromosomes is reduced to a half.
Last Answer : $ Hormones are the secretions to all theory. ! During mitosis the number of chromosomes is reduced to a half ... wrong D. If both As and R are wrong.
Description : The part of the brain controlling the anterior pituitary gland secretions is the A) medulla. B) thalamus. C) cerebral cortex. D) hypothalamus. E) cerebellum. Answer: D ... B) antidiuretic hormone C) gonadotropic hormones D) thyroid-stimulating hormone E) adrenocorticotropic hormone
Last Answer : B) thalamus.
Description : Regulation of ACTH secretion occurs through (A) Corticotropin releasing hormone (CRH) and corticotropin release inhibiting hormone (CRIH) of hypothalamus (B) Feedback inhibition by cortisol (C) CRH and feedback inhibition by cortisol (D) CRIH and feedback inhibition by cortisol
Last Answer : Answer : C
Description : What is the cascade of events that follows a stress or trauma to produce adrenal reaction? A) hypothalamus (ACTH-releasing hormone)-anterior pituitary (ACTH)-adrenal cortex mineralocorticoids and ... ) E) adrenal cortex (hormones)-hypothalamus (ACTH-releasing hormone)-anterior pituitary (ACTH)
Last Answer : A) hypothalamus (ACTH-releasing hormone)-anterior pituitary (ACTH)-adrenal cortex mineralocorticoids and glucocorticoids (regulate metabolism and sugar level)
Description : The hypothalamic-releasing hormones directly control the A) adrenal cortex. B) thyroid. C) anterior pituitary. D) posterior pituitary. E) pancreas.
Last Answer : C) anterior pituitary.
Description : The hypothalamus controls the anterior pituitary via A) nerve stimulation. B) blood osmotic concentrations. C) blood glucose concentrations. D) releasing hormones. E) ACTH.
Last Answer : D) releasing hormones.
Description : Besides being fundamental for the activation of the main gastric digestive enzyme how does HCl also directly participate in digestion?
Last Answer : With its corrosive effect, HCl also helps the rupture of the adhesion between food particles, facilitating the digestive process.
Description : Secretin and cholecystokinin are digestive hormones. They are secreted in `:`
Last Answer : Secretin and cholecystokinin are digestive hormones. They are secreted in `:` A. Oesophagus B. Ileum C. Duodenum D. Pyloric stomach
Description : Which one of the following pairs of chemical substances, is correctly categorised? (a) Calcitonin and thymosin - Thyroid hormones (b) Pepsin and prolactin - Two digestive enzymes secreted in ... and myosin - Complex proteins in striated muscles (d) Secretin and rhodopsin - Polypeptide hormones
Last Answer : (c) Troponin and myosin - Complex proteins in striated muscles
Description : Pancreas produces (a) three digestive enzymes and one hormone (b) three types of digestive enzymes and two hormones (c) two digestive enzymes and one hormone (d) three digestive enzymes and no hormone.
Last Answer : (b) three types of digestive enzymes and two hormones
Description : Secretin and cholecystokinin are digestive hormones. They are secreted in (a) pyloric stomach (b) duodenum (c) ileum (d) oesophagus.
Last Answer : (b) duodenum
Description : Secretion of thyroid hormones is regulated by (A) Hypothalamus (B) Anterior pituitary (C) Feedback regulation (D) All of these 220 MCQs IN BIOCHEMISTRY
Last Answer : Answer : D
Description : All the following statements about hormones are true except (A) All of them require specific carriers in plasma (B) All of them require specific receptors in target cells (C) Some of them are subject to feedback regulation (D) Some of them increase the transcription of certain genes
Last Answer : Answer : A
Description : The only correct statement about hormone receptors is (A) Receptors for protein hormones are present in cytosol (B) Receptors for steroid hormones are membrane bound (C) Hormone-receptor binding is irreversible (D) Receptors can undergo down regulation and up regulatoin
Description : Cell regulation can be thought of as the effector side of cell communication. Most commonly cell regulation occurs by means of extracellular chemical messengers. Which of the following statement(s ... d. Most hormones, local mediators, and neurotransmitters readily cross the cell plasma membrane
Last Answer : Answer: b, c Depending on how the extracellular messenger arrives, cell regulation can be classified as paracrine, endocrine, or neurocrine. In paracrine regulation, a chemical messenger ... , local mediators, and neurotransmitters are water-soluble and cannot readily cross the plasma membrane
Description : The posterior pituitary gland is not a ‘true’ endocrine gland because (a) it is provided with a duct (b) it only stores and releases hormones (c) it is under the regulation of hypothalamus (d) it secretes enzymes.
Last Answer : (b) it only stores and releases hormones
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 chemoreceptors that participate in the ventilation control are structures that collect information about the acidity and alkalinity of the blood. The information is then transmitted by nervous ... by receptors that receive pH information from the cerebrospinal fluid.) The Circulatory System
Last Answer : What is circulation?
Description : Human menstrual cycle is controlled by hormones produced and secreted by :
Last Answer : Human menstrual cycle is controlled by hormones produced and secreted by : A. Pituitary and Ovary B. Pituitary and Uterus C. Only uterus D. Only Ovary
Description : All the following statements about phenylketonuria are correct except (A) Phenylalanine cannot be converted into tyrosine (B) Urinary excretion of phenylpyruvate and phenyllactate is increased (C) It ... diet (D) It leads to decreased synthesis of thyroid hormones, catecholamines and melanin
Description : Which of the following statement(s) is/are true concerning oxygen consumption (O2)? a. O2 is normally 100-120 cc2/m2/min b. Resting O2 is controlled by the level of thyroid and catecholamine ... of oxygen taken up by the pulmonary capillaries d. O2 is dependent on the status of pulmonary function
Last Answer : Answer: a, b Oxygen consumed in the process of metabolism is expressed as the volume of oxygen per minute (O2). O2 is normally 100-120 cc2/m2/min, or 200 cc/min for a typical adult. ... , so we measure O2 across the lung and assume that it is exactly the amount consumed in the systemic metabolism
Description : Why is it that some people "have a thing" for gross bodily secretions (and other stuff)
Last Answer : Jude Thanks. That was so disgusting it made me laugh.
Description : can root secretions from a trumpet cause damage to human eyes ?
Last Answer : I would call the eye dr and take him over to check his eyes. He should be wearing goggles and gloves while working in the garden.
Description : Major secretions of pancreas that are helpful in digestion? -Biology
Last Answer : answer:
Description : Which one of the following is initiated by secretions of trophoblast?
Last Answer : Which one of the following is initiated by secretions of trophoblast? A. Blastulation B. Implanatation C. Cleavage D. Gastrualtion
Description : Which secretions are produced by spermatozoa at the time of fertilization
Last Answer : Which secretions are produced by spermatozoa at the time of fertilization A. Fertilizin and ... an d antifertilizin D. Antifertilizin and spermlysin.
Description : Production of gastro-intestinal secretions and movement soon after ingestion of food are brought about by
Last Answer : Production of gastro-intestinal secretions and movement soon after ingestion of food are brought ... nervous systum D. Peripheral nervous system
Description : Endocrine glands lack ducts and are hence, called____glands and their secretions are called_____
Last Answer : Endocrine glands lack ducts and are hence, called____glands and their secretions are called_____
Description : Assertion : The acrosomal secretions of sperm , help it in entering in the cytoplasm of the ovum . Reason : It contains sperm lysin .
Last Answer : Assertion : The acrosomal secretions of sperm , help it in entering in the cytoplasm of the ovum . ... . D. If both Assertion & Reason are False.
Description : Correct sequences of male accessory glands pouring their secretions into urethra :
Last Answer : Correct sequences of male accessory glands pouring their secretions into urethra : A. Prostate ... Prostate , Bulbourethral glands , Seminal vesicle
Description : Secretions from which one of the following are rich in fructose , calcium and some enzymes ?
Last Answer : Secretions from which one of the following are rich in fructose , calcium and some enzymes ? A ... accessory glands C. Male accessory glands D. Liver
Description : What Empties secretions into the ejaculatory duct?
Description : What are Secretions of glands combined with sperm?
Last Answer : Semen
Description : What gynecologic instruments are used to remove polyps secretions and bits of placental tissue?
Last Answer : Feel Free to Answer
Description : An immunoglobulin found in exocrine secretions is (A) IgA (B) IgG (C) IgM (D) IgE
Description : A 17-year-old patient involved in an automobile accident is paralyzed with multiple peripheral extremity injuries. Nutritional support is instituted with a transnasal feeding catheter. Which of the ... pylorus into the first portion of the duodenum reduces the risk of regurgitation and aspiration
Last Answer : Answer: a, c, d The use of transnasal feeding catheters for intragastric feeding or for duodenal intubation are popular adjuncts for providing nutritional support by the enteral route. The ... the fourth portion of the duodenum reduces the risk of regurgitation and aspiration of feeding formulas
Description : Which of the following is true of loss of gastrointestinal secretions? A. Gastric losses are best replaced with a balanced salt solution. B. Potassium supplementation is unnecessary in ... bowel fistula. E. A patient with persistent vomiting usually requires hyperchloremic replacement fluids.
Last Answer : Answer: DE DISCUSSION: Gastric secretions are relatively high in chloride and potassium. Other than an isolated pancreatic fistula, gastrointestinal tract losses below the pylorus ... Although potassium concentrations are low, copious losses require potassium supplementation to prevent hypokalemia
Description : Bronchodilators are useful in cough (a) Only when cough is non-productive (b) Only when cough is associated with thick sticky secretions (c) Only when reflex bronchoconstriction is associated (d) ... Rise in blood pressure (b) Muscle tremor (c) Hyperglycaemia (d) Central nervous system stimulation
Last Answer : Ans: B
Description : Antitussives act by (a) Liquifying bronchial secretions (b) Raising the threshold of cough centre (c) Reducing cough inducing impulses from the lungs (d) Both (b) and (c)
Last Answer : Ans: D
Description : Cervical priming with prostaglandin results in (a) Facilitation of sperm movement through cervical canal (b) Increased cervical tone (c) Softening of cervix (d) Increased cervical secretions
Last Answer : Ans: C
Description : Codeine acts as a cough sedative by (a) Producing mild nausea (b) Depressing bronchiolar secretions (c) Depressing pulmonary action (d) Depressing cough center (e) Paralyzing sensory nerves of bronchi