Description : An increase in the number of new cells in an organ or tissue that is reversible when the stimulus for production of new cells is removed is termed a) Hyperplasia. Hyperplasia occurs as cells multiply ... in the number of new cells in an organ or tissue continues after the stimulus is removed.
Last Answer : a) Hyperplasia. Hyperplasia occurs as cells multiply and are subjected to increased stimulation resulting in tissue mass enlargement.
Description : Thyrotropin exerts the following actions on the thyroid gland except: A. Increases vascularity B. Inhibits proteolysis of thyroglobulin C. Induces hyperplasia and hypertrophy D. Promotes iodide trappin
Last Answer : B. Inhibits proteolysis of thyroglobulin
Description : 16.18 Thyrotropin exerts the following actions on the thyroid gland except: A. Increases vascularity B. Inhibits proteolysis of thyroglobulin C. Induces hyperplasia and hypertrophy D. Promotes iodide trapping
Description : Prolonged testosterone therapy can cause: A. Hypertrophy of seminiferous tubules of testes B. Hypertrophy of interstitial cells of testes C. Atrophy of interstitial cells of testes D. Both ‘A’ and ‘B’ are correct
Last Answer : C. Atrophy of interstitial cells of testes
Description : Cardiac hypertrophy to occur, one of the following is required: A A. Healthy myocardium and adequate nutrition (blood supply) B. Healthy myocardium only C. Abundant of blood supply only D. None of these
Last Answer : Healthy myocardium and adequate nutrition (blood supply)
Description : Angiotensin II plays a key role in the following risk factor for ischaemic heart disease: A. Hypercholesterolemia B. Ventricular hypertrophy C. Carbohydrate intolerance D. Cardiac arrhythmia
Last Answer : B. Ventricular hypertrophy
Description : Which of the following terms refers to cells that lack normal cellular characteristics and differ in shape and organization with respect to their cells of origin? a) Anaplasia Usually, anaplastic cells are ... number of cells of a tissue, most often associated with a period of rapid body growth.
Last Answer : a) Anaplasia Usually, anaplastic cells are malignant.
Description : Assertion` :-` On repeated application of stimuli, involuntary stripled muscles undergo fatigue. Reason `:` This is due to non availability of ATP mol
Last Answer : Assertion` :-` On repeated application of stimuli, involuntary stripled muscles undergo fatigue. Reason ... . If both Assertion and Reason are false.
Description : 9. Give three features of cardiac muscles. -Science
Last Answer : The cardiac muscles are specialized tissues that are evolved to pump blood throughout the body. The following are the features of the cardiac muscles: ➢ They are cylindrical in shape. ➢ Striated muscle fibers. ➢ They are uninucleated and branched. ➢ These muscles are involuntary in nature.
Description : Characteristics of cardiac muscles are that they `:-`
Last Answer : Characteristics of cardiac muscles are that they `:-` A. Contract quickly and get fatigued B. ... fatigued D. Contract slowly and do not get fatigued
Description : Are cardiac muscles considered to be smooth muscles?
Last Answer : No, they are not. Cardiac muscle is a type of involuntary striated muscle found only in the walls of the heart.This is a specialized muscle that, while similar in some fundamental ways to ... muscle automaticity. Meaning that some of the cells can beat on their own without any nerve stimulation.
Description : Hypocalcaemia affects (A) Skeletal muslces (B) Smooth muscles (C) Cardiac muscles (D) Skeletal muscles + smooth muscles + cardiac muscles
Last Answer : Answer : D
Description : Enhanced automaticity in cardiac cells may occur because of (a) ß-adrenergic stimulation (b) Hypokalemia (c) Mechanical stretch of cardiac muscles (d) All of the above
Last Answer : Ans: D
Description : People consuming alcohol in heavy quantities generally die of – (1) liver or stomach cancer (2) weakening of heart muscles leading to cardiac arrest (3) blood cancer (4) Cirrhosis
Last Answer : (4) Cirrhosis Explanation: Cirrhosis is a condition in which the liver does not function properly due to longterm damage. This damage is characterized by the replacement of normal liver tissue by scar tissue.
Description : Heavy alcohol consuming people generally die of (1) blood cancer (2) cirrhosis (3) liver or stomach cancer (4) weakening of heart muscles leading to cardiac arrest
Last Answer : (2) cirrhosis Explanation: Cirrhosis is scarring of the liver and poor liver function. It is the final phase of chronic liver disease which may result from a history of excess drinking habits. Cirrhosis is most commonly caused by alcoholism, hepatitis B and hepatitis C, and fatty liver disease.
Description : State the function of cardiac muscles.
Last Answer : Cardiac muscles are responsible for the contraction and relaxation of the heart. It makes the heart beat continuously throughout one’s life.
Description : Mention the characteristics of cardiac muscles.
Last Answer : a) Cardiac muscles are composed of branched fibres that have stripes or bands. b) The branches are connected with one another in a cris-cross form. c) They are involuntary muscles d) They do not fatigue easily. e) They are found only in the heart
Description : The autonomic nervous system innervates all of these except? A. Cardiac muscles B. Skeletal muscles (Answer) C. Smooth muscles D. none
Last Answer : B. Skeletal muscles (Answer)
Description : Identify the tissue shown in the diagram and match with its characteristics and its location. (a) Smooth muscles, show branching, found in the wall of the heart (b) Cardiac muscles, unbranched ... the ribs (d) Skeletal muscles show striations and are closely attached with the bones of the limbs
Last Answer : (d) Skeletal muscles show striations and are closely attached with the bones of the limbs
Description : Give three features of cardiac muscles.
Last Answer : 1. Cardiac muscles of the heart show rhythmic contraction and relaxation throughout life. 2. These are involuntary muscles and form the walls of the heart. 3. They are cylindrical, branched and uninucleate. 4. They show characteristics of both striated and unstriated muscles.
Last Answer : cirrhosis
Description : Write the structural and functional differences between striped and unstriped muscles.
Last Answer : Unstriped muscles 1) They are cylindrical in shape 1) They are spindle shaped 3) They are voluntary muscles 3) They are involuntary muscles 2) They have stripes or striations 2) They do not have stripes or striations
Description : Which type of incontinence is associated with weakened perineal muscles that permit leakage of urine when intra-abdominal pressure is increased? a) Stress incontinence Stress incontinence ... intact urinary physiology who experience mobility impairment, environmental barriers, or cognitive problems.
Last Answer : a) Stress incontinence Stress incontinence may occur with coughing or sneezing.
Description : Hyperplasia?
Last Answer : DefinitionHyperplasia is increased cell production in a normal tissue or organ. Hyperplasia may be a sign of precancerous changes. This is called pathologic hyperplasia.It can also be due to the growth of completely normal cells. This is called physiologic hyperplasia.Alternative NamesHypergenesis
Description : Lymphoid hyperplasia?
Last Answer : DefinitionLymphoid hyperplasia is a rapid increase in the number of normal cells (called lymphocytes) that are contained in lymph nodes.These cells increase in number to help lymph nodes prevent bacteria, ... D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 174.
Description : Parathyroid hyperplasia?
Last Answer : DefinitionParathyroid hyperplasia is the enlargement of all four parathyroid glands. The parathyroid glands are four glands in the neck that produce parathyroid hormone (PTH).Causes, incidence, and risk ... the pancreas. In MEN 2A, the overactivity of the parathyroids is associated with tumors i
Description : Congenital adrenal hyperplasia?
Last Answer : DefinitionCongenital adrenal hyperplasia refers to a group of inherited disorders of the adrenal gland.Alternative NamesAdrenogenital syndrome; 21-hydroxylase deficiencyCauses, incidence, and risk factorsCongenital ... and fallopian tubes). They may also have the following changes:Abnormal menstrua
Description : A 70-year-old man has severe urinary hesitancy associated with benign prostatic hyperplasia. He has tried alpha blockers with little relief. His physician recommends a drug that blocks 5a - reductase in ... prescription for (a) Atropine (b) Clonidine (c) Hydralazine (d) Neostigmine (e) Propranolol
Last Answer : Ans: B
Description : Which of the following may be responsible for a hypokalaemic hypertension 1) Non-classical congenital adrenal hyperplasia 2) Barter's syndrome 3) Diabetic nephropathy 4) Liddle's syndrome 5) Type IV renal tubular acidosis
Last Answer : Answers-4 Liddle's syndrome is typically asscoiated with hypokalaemic hypertension and low renin and aldosterone concentrations - the so called pseudo-hyperaldosteronism. Barter's syndrome is associated ... , which may also be produced with diabetic nephropathy. Hence hyperkalaemia is more typical.
Description : The uncontrolled proliferation of cells is termed as A- hyperplasia B- anaplasia C- metastasis D- all of these
Last Answer : hyperplasia
Description : Denture hyperplasia is generally attributed to: A. Poor oral hygiene B. Denture movement
Last Answer : B. Denture movement
Description : The most common symptom of endometrial hyperplasia is: a) Vaginal discharge. b) Vaginal bleeding. c) Amenorrhea. d) Pelvic pain. e) Abdominal distention.
Last Answer : b) Vaginal bleeding.
Description : The following adverse effect(s) of phenytoin is/are related to high plasma drug concentration: A. Ataxia B. Hirsutism C. Gum hyperplasia D. All of the above
Last Answer : A. Ataxia
Description : 16.20 Adrenocorticotropic hormone is primarily used for: A. Treatment of Addison’s disease B. Treatment of congenital adrenal hyperplasia C. Treatment of autoimmune diseases D. Diagnosis of pituitary-adrenal axis disorders
Last Answer : D. Diagnosis of pituitary-adrenal axis disorders
Description : Which of the following is an idiosyncratic adverse drug reaction: A. Muscle dystonia caused by triflupromazine B. Insomnia after taking pentobarbitone C. Precipitation of asthma by morphine D. Gum hyperplasia caused by phenytoin
Last Answer : B. Insomnia after taking pentobarbitone
Description : Let Brain Atrophy or Die with Dignity?
Last Answer : I would opt to die with dignity, if I could. My dad wanted to, but you had to live in Oregon for 6 months to take that option.
Description : Optic nerve atrophy?
Last Answer : DefinitionOptic nerve atrophy is tissue death of the nerve that carries the information regarding sight from the eye to the brain.Alternative NamesSecond cranial nerve atrophyCauses, incidence, and risk ... multiple sclerosis, brain tumor, and stroke.There are also several rare forms of hereditary
Description : Multiple system atrophy?
Last Answer : DefinitionMultiple system atrophy (MSA) is a rare condition that causes symptoms similar to Parkinson's disease. However, patients with MSA have more widespread damage to the autonomic nervous system ... expression "Mask" appearance to faceMay be unable to close mouthReduced ability to show facia
Description : Deficiency of vitamin B12 can occur because of (A) Decreased intake of vitamin B12 (B) Atrophy of gastric mucosa (C) Intestinal malabsorption (D) All of these
Description : Which of the following statement(s) is/are true concerning hypoadrenal shock? a. In the United States, idiopathic adrenal atrophy (Addison's disease) is the most common cause b. Laboratory ... hypoadrenal shock d. ACTH stimulation test is the diagnostic test of choice to confirm hypoadrenal shock
Last Answer : Answer: b, c, d Shock of a dramatic nature, poorly responsive to resuscitation, may develop as a consequence of adrenal insufficiency. In this country, adrenal insufficiency most ... of an ACTH stimulation test. A significant major cortisol response should be elicited by ACTH administration
Description : Vitamin B12 deficiency causes: a. optic atrophy b. papilloedema c. centrocecal scotoma d. loss of position sense
Last Answer : loss of position sense
Description : In Argyll-Robertson's pupils: a. the pupils are irregular b. iris atrophy are common c. there are absent tendon reflexes d. the lesion is in the mid-brain
Last Answer : the pupils are irregular
Description : Lower motor neuron lesions cause a) flaccid muscle paralysis. Lower motor neuron lesions cause flaccid muscle paralysis, muscle atrophy, decreased muscle tone, and loss of voluntary control. ... d) hyperactive and abnormal reflexes. Upper motor neuron lesions cause hyperactive and abnormal reflexes.
Last Answer : a) flaccid muscle paralysis. Lower motor neuron lesions cause flaccid muscle paralysis, muscle atrophy, decreased muscle tone, and loss of voluntary control.
Description : Upper motor neuron lesions cause a) no muscle atrophy. Upper motor neuron lesions do not cause muscle atrophy but do cause loss of voluntary control. b) decreased muscle tone. Lower motor ... paralysis. d) absent or decreased reflexes. Lower motor neuron lesions cause absent or decreased reflexes.
Last Answer : a) no muscle atrophy. Upper motor neuron lesions do not cause muscle atrophy but do cause loss of voluntary control.
Description : Apical migration of the epithelial attachment followed by atrophy of marginal gingiva at the same level results in: A. False periodontal pocket B. Periodontal pocket recession C. Gingival cleft D. True pocket
Last Answer : B. Periodontal pocket recession
Description : Benign migratory glossitis or Geographic Tongue, manifests itself in the oral cavity as, A. Irregularly outlined areas of hyperkeratosis of the dorsal surface of the tongue B. Furrows outlined the ... (fissures) radiating from a central fissure G. Irregular area in the midline of the tongue
Last Answer : C. Loss (atrophy) of filiform papillae in multiple irregularly outlined areas
Description : A 25 years old school teacher Para 1 wants to use oral contraceptive pills for contraception. She is asking about the mode of action of oral contraceptive pills. The mechanism of action of ... atrophy. c) Increasing cervical mucous hostility. d) Inducing endometritis. e) Inhibiting prolactin.
Last Answer : a) Inhibiting ovulation by suppression of serum FSH.
Description : The following is true of proton pump inhibitors except: A. They are the most effective drugs for Zolinger Ellison syndrome B. Their prolonged use can cause atrophy of gastric mucosa C. They inhibit growth of H. pylori in stomach D. They have no effect on gastric motilit
Last Answer : B. Their prolonged use can cause atrophy of gastric mucosa
Description : Addition of a progestin for 10-12 days each month to estrogen replacement therapy in menopausal women is recommended because the progestin: A. Blocks the increased risk of myocardial ... vulval atrophy occurring in postmenopausal women D. Enhances the metabolic benefits of estrogen treatment
Last Answer : The estrogen commonly used for hormone replacement therapy in menopausal women is: A. Ethinylestradiol B. Estradiol benzoate C. Diethylstilbestrol D. Conjugated estrogens