Quiz: Exams💝 — AUA MCQ

1-Regarding the trachea, which one of the followings is false.

A Begins at level of C 6 B Reinforced by incomplete cartilaginous rings C Supplied by bronchial arteries in the thorax D Anterior relation to arch of aorta.

Respiratorydistresssyndromeinprematures is due to……………

A Deficiency of the surfactant B Increase surfactant C Super-numerary lobules D Ectopic lung lobes

3.. ………………………develops from ectoderm.

A a- Epithelium of trachea B b- Epithelium of internal lining of larynx C c- Epithelium of bronchi D d- Epithelium of vestibule of nose.

1. Regarding the trachea, which one of the followings is false.

A a. Begins at level of C 6 B b. Reinforced by incomplete cartilaginous rings C c. Supplied by bronchial arteries in the thorax D d. Anterior relation to arch of aorta.

2. Respiratory distress syndrome in prematures is due to……………

A a. Deficiency of the surfactant B b. Increase surfactant C c. Super-numerary lobules D d. Ectopic lung lobes

3.. ………………………develops from ectoderm.

A a. Epithelium of trachea B b. Epithelium of internal lining of larynx C c. Epithelium of bronchi D d. Epithelium of vestibule of nose.

4- Olfactory cells are:

A a- Regenerative for all three cell types. B b- b- Bipolar nerve cells. C c- Pyramidal in shape. D d- Their cytoplasm contains yellow pigment.

5- Which of the following is MIS MATCHED:

A a- Pneumocyte (alveolar cell) type I -- cytoplasm through which gaseous exchange occurs B b- Pneumocyte type II -- secretes pulmonary surfactant C c- Pneumocyte type II -- stem cell for more pneumocyte types I & II D d- Pulmonary surfactant -- increases surface tension within alveoli

6. H. influenzae vaccine is:

A a- Live attenuated vaccine B b- Polypeptide vaccine C c- Polysaccharide vaccine D d-Polysaccharide-protein conjugate vaccine

8. Streptococcus pyogenes produces all of the following virulence factors, except:

A a- Streptolysin O B b-Pyrogenic exotoxin A,B and C C c-Streptokinase D d-Neurotoxin

9. Diphtheria toxoid is prepared by using:

A a- Formalin B b-Aldehyde C c- Phenols D d- All of the above

10.In some individuals House dust mites can cause:

A a- Hepatomegally B b-Splenomegally C c- Bronchial asthma D d-Diarrhea

11.The habitat of Paragonimus westermani is:

A a- Liver B b-Lung C c-Small intestine D d -Bile ducts

12. Consolidation of lungs due to accumulation of blood in blood vessels and lungs are firm and looking like liver this finding called:

A a. Pneumomonia B b. gray hepatization C c. red hepatization D d. lung fibrosis

13. The most predominant cell in inflammatory reaction of bronchial asthma is:

A a. lymphocytes B b. giant cell C c. plasma cell D d. eosinophils

14. Which of the following is the source of epithelioid cells?

A a. Lymphocytes B b. Macrophages C c. Neutrophils D d. Eosinophils

15.Which of the following definitions is correct?

A a- Intra-alveolar pressure is the pressure of the fluid in the pleural cavity. B b- O2 capacity of blood is the volume of O2 present in combination with Hb / 100 ml blood C c- Boher`s effect is the increase of CO2 leads to decrease affinity of Hb to O2 so it give its O2 easily to tissues. D d- The O2 uptake curve of blood is the functional relationship between O2 content and PO2.

16. A healthy, 21-year-old medical student participates in a 10-kilometer marathon. Which muscles does the student contract during expiration?

A a- Diaphragm and external intercostal muscles B b- O2 capacity of blood is the volume of O2 present in combination with Hb / 100 ml blood C b- Diaphragm and internal intercostal muscles D d- Inspiratory accessories muscles

17.It is correct to say:

A a- the peripheral chemoreceptors are mainly stimulated by hypoxia. B b- O2 capacity of blood is the volume of O2 present in combination with Hb / 100 ml blood C c- CO2 is transported mainly as carbonic acid. D 8 by : Ahmed abdelsalam d- compliance of the lung is greater when the breath near the residual volume.

18- The following is non opioid used as antitussive:

A a-morphine B b-dextramethorphan C c-codeine D d-dihyrocodeinone

19-The following antituberculous drug is microsomal enzyme stimulant;

A a-rifampicin B b- streptomycin C c-isoniazide D d-ethambutol

20-Methicillin is preferred in treatment of pneumonia if the suspected organism is;

A a-pneumococci B b-streptococci C c-staphylococci D d-E.coli

1. Lung Cancer is a common complication from:

A a. Dye exposure. B b. Bilharziasis. C c. Epstein Barr Virus. D d. Smoking.

2. One of the following conditions is associated with smoking:

A a. Infective endocarditis. B b. Myocardial infarction C c. Valvular Heart disease. D d. Pulmonary embolism

3- The following are the most common reasons for smoking, except:

A a. Gaining acceptance from peers. B b. Trying something new. C c. To increase activity and productivity. D d. Imitating models such as actors, teachers or other family members.

4. Hazards of smoking in Females are the following except:

A a. Decline in fertility & enter menopause about 2 years younger than non- smokers. B b. Increase in birth weight of the infant. C c. An increase in fetal &neonatal mortality. D d. Decrease in birth weight of the infant.

5- Tobacco smoking among adults aged 18 years and older is most prevalent among:

A a. The lowest-income households in developing countries. B b. High-income households in developed countries. C c. Intermediate-income households in developing countries. D d. Females in developed countries

Which of the following explains the movement of CO2 across the pulmonary membrane?

A a. Active transport B b. Filtration C c. Facilitated diffusion D d. Passive diffusion

Which of the following would decrease diffusion of a gas across the pulmonary capillary membrane?

A A. an increase in thickness of the membrane B B. an increase in surface area of the membrane C c. Facilitated dC. an increase in the partial pressure gradient iffusion D D. an increase of diffusion coefficient.

An increase in which of the following increases the O2 affinity of hemoglobin?

A a. Temperature B b. Carbon monoxide. C c. H+ concentration. D d. 2,3-DPG.

Haldane effect relates:

A A. CO2 uptake on O2 dissociation. B B. O2 dissociation on CO2 uptake. C C. O2 uptake and 2,3 DPG. D D. O2 delivary and (H+).

Peripheral chemoreceptors are located in:

A a. Carotid sinus. B b. Aortic sinus. C c. Aortic body. D d. Brain.

Apex is common site for tuberculosis because it is:

A A. less distended, more diffusion and more perfused B B. less distended, less diffusion and more perfused C C. more distended, less diffusion and less perfused D D. more distended, more diffusion and more perfused

Regarding lung compliance one of the following is correct.

A A. Decreased in emphysema B B. Decreased with pulmonary congestion. C C. Increased with pulmonary fibrosis. D D. Increased in pulmonary edema.

Which of the following would be expected to increase the measured airway resistance?

A A. Stimulation of parasympathetic nerves to the lungs B B. Stimulation of sympathetic nerves C C. Release of vasoactive intestinal peptide D D. Decrease the rate of gas flow.

Hering-Breuer reflex is activated during:

A A. Early inspiration. B B. Deep inspiration. C C. Late expiration. D D. Diseases.

The chemoreceptor in the medulla are directly stimulated by:

A A. CO2 from the blood. B B. H+ from the blood. C C. H+ in cerebrospinal fluid that is derivedfrom blood CO2. D D. decreased arterial PO2.

11-The following drug can be given safely in patients suffering from bronchial asthma:

A a. morphine. B b. captopril C .c. propranolol D d- tubocurarine.

12-The following antituberculous drug is microsomal enzyme inducer;

A a. rifampicin B b. streptomycin C c. isoniazide D d. ethambutol

13-Acute bronchial asthma in hypertensive patient is treated by:

A a. ephedrine B b. adrenaline C c. theophylline D d. corticosteroids

14-The following is non- opioid drug used as antitussive:

A a. morphine B b. dextramethorphan C c. codeine D d. dihyrocodeinone

15-The first line drugs in treatment of TB not include:

A a. isoniazide B b. rifampicin C c. ethionamide D d. ethambutol

16-The following bronchodilator used in bronchial asthma is phosphodiesterase inhibitor:

A a. ephedrine B b. adrenaline C c. isoprenaline D d. theophylline

17-The suitable antifungal drug for fungal pneumonia is;

A a. nystatin B b. amphotericin-B C c. griseofulvin D d. metronidazole

18-The following antituberculous drug is selective to tubercle bacilli only because it acts by inhibiting synthesis of mycolic acid:

A a. rifampicin B b. streptomycin C c. isoniazide D d. ethambutol

19- Ketotifen is used in bronchial asthma because it has:

A beta-2 stimulant effect B phosphodiesterase inhibitor effect C mast cell stabilizing action D a + c

20-Methicillin is preferred in treatment of pneumonia if the suspected organism is;

A a. pneumococci B b. streptococci C c. staphylococci D d. E.coli

21- The right first posterior intercostal vein terminates in.

A a. right brachiocephalic vein B b. left brachiocephalic vein C c. azygos vein D d. hemi azygos vein

22- External intercostal muscle replaced and continuous with.

A a. posterior intercostal membrane B b. anterior intercostal membrane C c. suprapleural membrane D d. subcostal muscle

23- Intercostobrachial nerve is the continuation of lateral cutaneous branch of.

A a. third intercostal B b. first intercostal C c. second intercostal D d. tenth intercostal

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