Free Physiology MCQs Mock Test Online with Answers

Q1 : The largest fraction of the total body fluid is_______________?

A: Extracellular fluid B: Intracellular fluid C: Plasma D: Whole blood

Q2 : Which one of the following is a precursor of both gonadal and adrenocortical hormones_____________?

A: Progesterone B: Cortisol C: Testosterone D: Corticosterone

Q3 : Hormone released during increased stress is_____________?

A: Cortisol B: Thyroxine C: Growth hormone D: Somatostatin

Q4 : Histamine stimulate the secretion of_______________?

A: Gastrin by stomach B: Pancreatic enzymes C: HCL by stomach D: Amylase by salivary gland

Q5 : Due fear which of the following hormones increases rapidly _______________?

A: Growth hormones B: Epinephrine C: Corticosteroid D: Thyroid hormone

Q6 : Delay in blood coagulation results from________________?

A: Human thrombin B: Heparin C: Ferric chloride D: Vit- K

Q7 : Which of the following is associated with a low concentration of ionized calcium in the serum ?

A: Hypothyroidism B: Osteogenesis imperfecta C: Paget’s disease of the bone D: Tetany

Q8 : Which of the following body secretions is maximum______________?

A: Salivary B: Gastric C: Sweat D: Lacrimal

Q9 : Human chorionic gonadotrophin hormone ( HCG)______________?

A: Acts on the uterus to maintain integrity of endometrium in early pregnancy B: Production is greatest in the last three months of pregnancy C: Can be identified in the urine of pregnant women by immunological technique D: Is a steroid hormone

Q10 : The study of the electrical activity of the muscle is_______________?

A: EEG B: EMG C: Venn diagram D: ECG

Q11 : AB blood group antigen are known as ________ factors?

A: Duffy B: Landsteiner C: Rhesus D: Lutheran

Q12 : Prothrombin time is useful for_______________?

A: Detection of clot retraction B: Platelet count C: In hemophilia D: For evaluation in a patient taking anticoagulant drugs

Q13 : The absolute refractory period of an action potential is due to _______________?

A: Insufficient neurotransmitter B: Depletion of intracellular Na+ C: Inactivation of Na+ k+ ATPase D: Voltage inactivation of the Na+ channel

Q14 : The hyperosmolarity of the renal medulla is due to increased content of_____________?

A: K+ B: Na+ C: Glucose D: NH4+

Q15 : The renal blood flow in (in ml/mt) is______________?

A: 250 B: 800 C: 1260 D: 1500

Q16 : In the human kidney, a renal papilla project directly into the_______________?

A: Ureter B: Major calyx C: Minor calyx D: Renal pyramid

Q17 : Which is caused by acetylcholine through nicotinic receptors_____________?

A: Contraction of skeletal muscle B: Decrease of heart rate C: Secretion of saliva D: Contraction of pupils

Q18 : The duodenum secretes a hormone which has following effects except_______________?

A: Causes copious pancreatic juice rich in bicarbonate and poor in enzymes B: Increases gastric motility C: Causes gall bladder to contract and sphincter of oddi to relax D: Leads to meager flow of pancreatic juice rich in enzymes

Q19 : A child is below the third percentile for height. Growth velocity is normal, but chronologic age is more than skeletal age. The most likely diagnosis is______________?

A: Constitutional delay in growth B: Genetic short stature C: Primordial dwarfism D: Hypopituitarism

Q20 : The approximate amount of air left in the lungs after maximal forced expiration in a normal woman______________?

A: 0.5 L B: 2.0 L C: 1.1 L D: 1.8 L

Q21 : Energy expenditure during normal breathing____________?

A: 25% – 50% of total energy spent B: 50% -75% of total energy spent C: 15% – 20% of total energy spent D: 2% – 3% of total energy spent

Q22 : Which of the following hormones is released from the posterior pituitary ?

A: ACTH B: Antidiuretic hormone C: Growth hormone D: Luetinizing hormone

Q23 : Kussmamul’s respiration occurs in response to_______________?

A: Decrease in pH of blood B: Increase in pH of blood C: Obstructive pulmonary disease D: Carbon monoxide poisoning

Q24 : A reliable screening test for platelet function is_______________?

A: CT B: PT C: Thrombin D: Clot retraction time

Q25 : Tubuloglomerular feedback occurs in______________?

A: ADH secretion in collecting duct B: Constant solute load on distal tubule C: Macula densa D: Balance between ascending and descending loop of henle

Q26 : Plasma ceruloplasmin alpha 2 globulins is a______________?

A: alpha 1 globulin B: alpha 2 globulin C: beta 1 globulin D: beta 2 globulin

Q27 : Formation of a small volume of concentrated urine in dehydration is associated with____________?

A: More reabsorption in the PCT B: More concentration in loop of Henle C: More reabsorption of DCT and collecting ducts D: All of these

Q28 : Erythropoietin is produced in the_______________?

A: Bone marrow B: Kidney C: Liver D: Spleen

Q29 : Progesterone production in the ovary is primarily by______________?

A: Stroma B: Corpora albicans C: Corpora lutea D: Mature follicles

Q30 : The supraoptic nucleus of the hypothalamus is believed to control secretion of which of the following hormones ?

A: Antidiuretic hormone B: Oxytocin C: Growth hormone D: Adreno corticotrophic hormone

Q31 : Fluid content of the blood is______________?

A: Plasma B: Serum C: Serum D: Tissue fluid

Q32 : At what temperature blood is stored______________?

A: -4°C B: 4°C C: 6°C D: 8°C

Q33 : The skeletal muscle action potential______________?

A: Is not essential for contraction to occur B: Has a prolonged plateau phase? C: Spreads in ward to all parts of the muscle via the t- tubule system D: Begins with an, in ward movement of K+ ins

Q34 : Small lymphocyte is _____________?

A: Bigger than RBC B: Same as the size of RBC C: Smaller than RBC D: None of these

Q35 : Aldosterone______________?

A: Increases reabsorption of sodium B: Increases exceretion of potassium C: Increases retention of sodium D: Both ‘A’ and ‘B’

Q36 : Within which parts of a gastric gland are chief cells located_____________?

A: Fundus B: Isthmus C: Neck D: Gastric pit

Q37 : Which of the following hormones act via cAMP ?

A: Insulin B: Parathormone C: Vasopressin D: Adrenalin

Q38 : Changes in biological activity occurring daily are referred as _________ rhythm?

A: Circadian B: Circa triginatan C: Circa sestin D: Circannual

Q39 : The receptors for parathyroid hormone are present in______________?

A: Osteoblasts B: Osteoclasts C: Periosteum D: Cartilage

Q40 : Low calcium level will cause_____________?

A: Hyper excitability of wrist muscle B: Weak heart action C: Tetanus D: All of the above

Q41 : Gastro – intestinal hormone in the following is_______________?

A: Pepsin B: Ptyalin C: Cholecystokinin D: Trypsin

Q42 : Epinephrine is most closely related in structure to ____________________?

A: Niacin B: Tyrosine C: Methionine D: Glycerol

Q43 : In myasthenia gravis_______________?

A: there is lack of acetyl choline B: Lack of acetyl choline receptors C: There is isometric contraction D: There is isometric contraction

Q44 : The work of breathing__________________?

A: is inversely related to lung compliance B: remains constant during exercise C: is not affected by respiratory D: decreased in lying posture

Q45 : Which of the following hormones exerts the least effect on calcium metabolism of bone tissue ?

A: Anderogen B: Estrogen C: Nor epinephrine D: Thyroid hormone

Q46 : Regarding myxedema the following are true except______________?

A: Swollen, oedematous look of the face B: Impotency, amenorrhea C: B.M.R increased by 30 -45% D: Dullness, loss of memory

Q47 : Oxygen affinity decreases in_________________?

A: Hypoxia B: Hypothermia C: HbF D: Increased pH

Q48 : Maximum amount of glucose absorption occurs at_______________?

A: PCT B: DCT C: Loop of henle D: None

Q49 : The main types of muscle cells are______________?

A: Skeletal and cardiac B: Smooth and cardiac C: Smooth and skeletal D: All of the above

Q50 : Trousseau’s sign and chovstek’s sings are positive in___________?

A: Hyperparathyroidism B: Hypothyroidism C: Hypoparathyroidism D: Hyperthyroidism

Q51 : Parietal cells of gastric mucosa secrete ______________ ?

A: Hcl B: Gastrin C: Mucin D: All of the above

Q52 : Peristalsis in the gut is due to ______________?

A: Preperistalitic intestinal secretion B: Mecharical distension C: Simultaneous action of circular and longitudinal muscles D: Extrinsic nervous influence

Q53 : Calcium ions triggers muscle contraction by binding to ___________________?

A: Actin B: Myosin C: Troponin D: Tropomyosin

Q54 : Brush border is seen in________________?

A: Bowman’s capsule B: Proximal convoluted tubule C: Distal convoluted tubule D: Loop of Henle

Q55 : The intrapleural pressure at the end of deep inspiration is ______________?

A: -4 mm Hg B: +4 mm Hg C: -18 mm Hg D: + mm Hg

Q56 : All of the following are adverse effects of long- term corticosteroids EXCEPT____________?

A: Hypoglycemia B: Psychosis C: Peptic ulcers D: Osteoporosis

Q57 : Differential white blood cell counts in the laboratory are useful in the diagnosis of_______________?

A: Anemia B: Eosinophilia C: Vitamin deficiency D: Spherocytosis

Q58 : Lysis of RBCs are seen in all of the following except__________?

A: Thalassemia B: Methotrexate therapy C: Obstructive jaundice D: Sickle cell anemia

Q59 : Hypothyroidism should be treated with daily administration of which of the following thyroid hormone preparations ?

A: Thyroid extract B: Thyroglobulin C: Thyroxine (T4) D: Triiodothyronine (T3)

Q60 : In a DNA molecule adenine always forms a linkage with______________?

A: Guanine B: Cytosine C: Thymine D: Uracil

Q61 : Deficiency of cortisol causes_______________?

A: Cushing syndrome B: Graves’ disease C: Addison disease D: Acromegaly

Q62 : Vital capacity is a measure of________________?

A: Tidal volume B: Inspiratory reserve volume plus expiratory volume C: Tidal volume plus inspiratory reserve volume plus expiratory reserve volume D: Expiratory reserve volume plus reserve volume

Q63 : Cephalic phase of gastric secretion is mediated by ______________?

A: Neuro hormones B: Vagus C: Hormones D: Gastric

Q64 : Small intestinal peristalsis is controlled by _______________?

A: Myentric plexus B: Meissners plexus C: Vagus nerve D: Parasympathetic

Q65 : All the following hormones bind to cell surface receptors of the target tissues EXCEPT_____________?

A: Thyroid stimulating hormone B: Glucagon C: Estrogen D: Epinephrine

Q66 : Oxygen as an emergency drug is contraindicated in______________?

A: Anaphylaxis B: Asthma C: Hyperventilation D: COPD

Q67 : Skeletal muscles______________?

A: Contracts when calcium is taken up by sarcoplasmic reticulum B: Contracts when actin and myosin filaments shorten C: Contraction is initiated by calcium binding to troponin D: Contraction is initiated by calcium binding to tropomyosin

Q68 : A decrease in the urine output is called_____________?

A: Dysuria B: Nocturia C: Oliguria D: Plyuria

Q69 : Acromegaly is a disorder of____________?

A: Excess growth hormone secreting B: Excess thyroxine secretion C: Excess ACTH secretion D: Excess FSH secretion

Q70 : Serum is blood plasma without_____________?

A: Blood cells B: Fibrinogen C: Lymphocytes D: Plasma colloids

Q71 : The normal A/G ratio in blood is______________?

A: 5:1 B: 2:1 C: 1:2 D: 1:1

Q72 : Pharyngeal phase of deglutition_____________?

A: Is a reflex mechanism B: Vocal cords are closed C: Is a voluntary mechanism D: A and B

Q73 : The normal brown red color of feces results from the presence of_______________?

A: Heme B: Stercobilin C: Biliverdin D: Bilirubin diglucuronide

Q74 : For heparin which of the following is ?

A: Inhibits conversion of fibrinogen to insoluble fibrin B: Interferes with action of thrombin C: Is released by macrophages D: Is released by mast cells

Q75 : Gastric secretion is stimulated by all the following except_____________?

A: Secretin B: Gastric distension C: Gastrin D: Vagal stimulus

Q76 : The hormone having the maximum effect on granulation wound healing is____________?

A: Cortisone B: Parathormone C: Thyroxine D: Epinephrine

Q77 : Production of bile takes place in____________________?

A: The gall bladder B: Kupffer cells C: Hepatic duct D: Hepatocytes

Q78 : which of the following secretions has a very high pH________________?

A: Gastric juice B: Pancreatic juice C: Bile in gall bladder D: Saliva

Q79 : The alveolar ventilation in an individual with tidal volume: 600 ml, dead space 150 ml and respiratory rate of 15/ minute is_____________?

A: 2.5 lit/Min B: 4.0 lit /Min C: 6.75 Lit/Min D: 9 Lit/Min

Q80 : AB group has following agglutinins_______________?

A: Anti – A & Anti – B B: Neither anti A nor anti – B C: Anti – A D: Anti – B

Q81 : Test for estimating kidney function is_______________?

A: Serum creatinine B: Serum phosphatase C: Inulin test D: Insulin test

Q82 : Plasma factor present in both serum & plasma is____________?

A: V B: VII C: II D: Fibrinogen

Q83 : Stomach accommodates the meal by______________?

A: Deceptive relaxation B: Receptive relaxation C: Reactive relaxation D: None of the above

Q84 : The normal adult value of urine output________________?

A: 1.5 l/day B: 3 l/day C: 0.5 l/day D: 2 l/day

Q85 : Clotting factor common to extrinsic and intrinsic pathway is_____________?

A: Factor II B: Factor III C: Factor V D: Factor VII

Q86 : Hyperthyroidism can be caused by____________?

A: Clonidine B: Amiodarone C: Hydralazine D: Penicillamine

Q87 : The anticoagulant of choice used in the blood bank is_______________?

A: Calcium oxalate B: Heparin solution C: Acid citrate dextrose solution D: Sodium fluoride

Q88 : During exercise_____________?

A: Cerebral blood flow increases if there is increase in systolic blood pressure B: Body temperature increases C: Blood flow to muscle increases after 1½ minute D: Lymphatic flow from muscle decrease

Q89 : Inulin clearance closely resembles_____________?

A: G.F.R B: Renal plasma flow C: Creatinine clearance D: P.A.H. clearance

Q90 : Bile salt repeats its cycle in____________?

A: 4 times a day B: 2 times in between meals C: 8 times a day D: 10 times a day in fasting

Q91 : Citrate is a useful anticoagulant because of its ability to_____________?

A: Buffer basic groups of coagulation factors B: Bind factor XII C: Bind vitamin K D: Chelate calcium

Q92 : In cases of hypercapnia there is_______________?

A: Increased pH of blood B: Decreased pH of blood C: Remains same D: Increased oxygen concentration in blood

Q93 : What is the normal PH of human blood_____________?

A: 7.0 B: 7.2 C: 7.35 to 7.4 D: 7.6

Q94 : The oxygen tension of the mixed venous blood is______________?

A: 25 mm Hg B: 40 mm Hg C: 55 mm Hg D: 70 mm Hg

Q95 : At high altitudes the following changes takes place except_______________?

A: Increase in respiratory rate B: Increases in depth of respiration C: Increase in oxygen carrying capacity of blood D: Increase in partial pressure of CO2

Q96 : Features of hypothyroidism does not include______________?

A: Obseity B: Hypertension C: High TSH levels D: Increased risk of infections

Q97 : Small packets of acetylcholine released randomly from the nerve cell membrane at rest Produces_______________?

A: Inhibitory post synaptic potential B: Miniature end plate potential C: Action potential D: End plate potential

Q98 : In PHC, which anticoagulant is used to send the blood sample for blood glucose_____________?

A: EDTA B: Heparin C: Potassium oxalate+ sodium fluoride D: Potassium oxalate

Q99 : Which of the following hormones does not affect growth ?

A: Oxytocin B: Somatotropins C: Thyroid hormone D: Estrogen

Q100 : Which of the following is called hunger hormone______________?

A: Epinephrine B: Glucagon C: Pituitary D: Thyroxine

Free Physiology MCQs Mock Test Online with Answers

Time to prove what you know!

LAT Test

GAT Test

Contact Info

Free Physiology MCQs Mock Test Online with Answers

Subscribe our Newsletter

LAT Test

GAT Test

Contact Info