MN568-Unit 2 PRACTICE EXAM SOLUTION

MN568-Unit 2 PRACTICE EXAM SOLUTION Submission View Random Section 1 Question 1 2 / 2 points Which of the following antibiotics provides the best coverage in acute or chronic sinusitis when gram-negative organisms are suspected? Question options: a) Penicillin V b) Amoxicillin c) Levofloxacin d) Clindamycin Question 2 2 / 2 points A 65-year-old man presents to the clinician with complaints of increasing bilateral peripheral vision loss, poor night vision, and frequent prescription changes that started 6 months previously. Recently, he has also been seeing halos around lights. The clinician suspects chronic open-angle glaucoma. Which of the following statements is true concerning the diagnosis of chronic open-angle glaucoma? Question options: a) The presence of increased intraocular pressure measured by tonometry is definitive for the diagnosis of open-angle glaucoma. b) The clinician can definitively diagnosis open-angle glaucoma based on the subjective complaints of the patient. c) Physical diagnosis relies on gonioscopic evaluation of the angle by an ophthalmologist. d) Early diagnosis is essential in order to reverse any damage that has occurred to the optic nerve. Question 3 0 / 2 points Joyce is taking a long-acting beta agonist for her asthma. What additional medication should she be taking? Question options: a) Inhaled corticosteroid b) Leukotriene receptor antagonist c) Systemic corticosteroid d) Methyl xanthenes Question 4 2 / 2 points You are in the park playing with your children when you see that your friend is screaming for help. Her toddler has fallen and there is a stick lodged in his eye. The child is kicking and screaming and grabbing for the stick. You: Question options: a) instruct his mother to hold him securely and not allow him to touch the stick, then carefully remove the stick from the eye. b) stabilize the foreign object and accompany the mother and child to the local ER. c) find a water fountain, hold the child to the water, and flush the eye. d) call 911. Question 5 2 / 2 points A patient presents with the following signs and symptoms: gradual onset of low-grade fever, marked fatigue, severe sore throat, and posterior cervical lymphadenopathy. Based on the signs and symptoms alone, which of the following conditions is most likely the cause? Question options: a) Gonorrhea b) Mononucleosis c) Influenza d) Herpes zoster Question 6 0 / 2 points Which of the following is an example of sensorineural hearing loss? Question options: a) Perforation of the tympanic membrane b) Otosclerosis c) Cholesteatoma d) Presbycusis Question 7 0 / 2 points Which of the following statements regarding pulmonary function is true? Question options: a) Cigarette smoking accelerates the decline in pulmonary function tenfold. b) Smoking cessation can reverse most pathological changes. c) Cigarette smoking decreases mucus production. d) There is a normal age-related decline in pulmonary function. Question 8 2 / 2 points Which of the following statements regarding TST is true? Question options: a) Tests should be read 48 hours after the injection. b) The size of the TST reaction has nothing to do with erythema but is based solely on induration. c) It is a type V T cell-mediated immune response. d) The diameter of the induration is measured in centimeters. Question 9 2 / 2 points A patient presents to the clinician complaining of ear pain. On examination, the clinician finds that the patient has tenderness on traction of the pinna as well as when applying pressure over the tragus. These findings are classic signs of which condition? Question options: a) Otitis media b) Meniere’s disease c) Tinnitus d) Otitis externa Question 10 2 / 2 points An acutely presenting, erythematous, tender lump within the eyelid is called: Question options: a) Blepharitis b) Hordeolum c) Chalazion d) Iritis Question 11 0 / 2 points Fluctuations and reductions in estrogen may be a contributing factor in which type of rhinitis? Question options: a) Vasomotor rhinitis b) Rhinitis medicamentosum c) Atrophic rhinitis d) Viral rhinitis Question 12 2 / 2 points Most nosocomial pneumonias are caused by: Question options: a) Fungi b) Viruses c) Gram-negative bacteria d) Pneumococcal pneumonia Question 13 2 / 2 points You are doing a cerumen extraction and touch the external meatus of your patient’s ear. He winces and starts coughing. What is the name of this reflex? Question options: a) Baker phenomenon b) Arnold reflex c) Cough reflex d) Tragus reflex Question 14 2 / 2 points Sinusitis is considered chronic when there are episodes of prolonged inflammation with repeated or inadequately treated acute infection lasting greater than: Question options: a) 4 weeks b) 8 weeks c) 12 weeks d) 16 weeks Question 15 2 / 2 points As diabetic retinopathy progresses, the presence of ‘cotton wool’ spots can be detected. Cotton wool spots refer to: Question options: a) Nerve fiber layer infarctions b) Blood vessel proliferation c) Venous beading d) Retinal hemorrhage Question 16 2 / 2 points Which immunoglobulin mediates the type 1 hypersensitivity reaction involved in allergic rhinitis? Question options: a) IgA b) IgE c) IgG d) IgM