Test 25 a
Medical Knowledge Assessment Quiz
Test your medical knowledge and understanding with this comprehensive quiz dedicated to various clinical scenarios. Perfect for students, educators, and healthcare professionals alike!
Each question is designed to assess critical thinking skills and diagnostic acumen.
- 25 carefully crafted questions
- Diverse clinical topics
- Designed for aspiring medical professionals
101) A 15-year-old girl complains of low-grade fever, malaise, conjunctivitis, runny nose, and cough. After this prodromal phase, a rash of discrete pink macules begins on her face and extends to her hands and feet. She is noted to have small red spots on her palate. What is the most likely cause of her rash?
. Gonococcal bacteremia
. Toxic shock syndrome
. Rubeola (measles)
. Reiter syndrome
. Rubella (German measles)
102) A 15-year-old girl has a round, 1-cm cystic mass in the midline of her neck, at the level of the hyoid bone. The mass is deep to the skin and moves slightly when the patient swallows. When the mass is palpated at the same time that the tongue is pulled, there seems to be a connection between the two. The mass has been present for at least 10 years, but only recently bothered the patient because it became infected. Which of the following is the most likely diagnosis?
Branchial cleft cyst
Epidermal inclusion cyst
Metastatic thyroid cancer
Thyrogtossal duct cyst
Cystic hygroma
103) A 15-year-old girl is admitted to the hospital with a 6-kg weight loss, bloody diarrhea, and fever that have occurred intermittently over the previous 6 months. She reports cramping abdominal pain with bowel movements. She also reports secondary amenorrhea during this time. Stool cultures in her physician’s office have shown only normal intestinal flora. A urine pregnancy test was negative, while an erythrocyte sedimentation rate (ESR) was elevated. Her examination is significant for the lack of oral mucosal ulcerations and a normal perianal examination. Anti-Saccharomyces cerevisiae antibodies (ASCA) are negative, while anti-neutrophil cytoplasm antibodies (p-ANCA) are positive. You confirm your presumptive diagnosis with a rectal biopsy. In counseling her about her disease, which of the following statements would be true?
Inheritance is autosomal dominant
Her risk of colon cancer is minimally elevated over the general population
Intestinal strictures are common
The most serious complication of her disease is toxic megacolon
The intestinal involvement is separated by areas of normal bowel
104) A 15-year-old girl is being evaluated for primary amenorrhea. She has no other symptoms. She has not been sexually active. She has no other medical problems and does not take any medication. Her family history is unremarkable. On examination, you note fully developed breasts and absent axillary and pubic hair. External genitalia have a normal appearance, but the vagina is abnormally short and blind ended. Initial work-up reveals no uterus on ultrasound, a testosterone level of 400 ng/dl (Normal is 20-80 for a female), and a 46 XY karyotype. Which of the following events is most likely to have caused the absence of in utero development of the internal reproductive organs?
. Absence of mullerian inhibiting factor
. Presence of mullerian inhibiting factor
. Agenesis of Wolffian ducts
. Agenesis of mullerian ducts
. Testosterone surge
105) A 15-year-old girl is being evaluated for primary amenorrhea. She has no other symptoms. She has not been sexually active. She has no other medical problems and does take any medication. Her family history is unremarkable. On examination, you note fully developed breasts and absent axillary and pubic hair. External genitalia have a normal appearance, but the vagina is abnormally short and blind ended. Initial work-up reveals no uterus on ultrasound, a testosterone level of 400 ng/dl (Normal is 20-80 for a female), and a 46 XY karyotype. Which of the following events is most likely to have caused the absence of in utero development of the internal reproductive organs?
. Absence of mullerian inhibiting factor
. Presence of mullerian inhibiting factor
. Agenesis of Wolffian ducts
. Agenesis of mullerian ducts
. Testosterone surge
106) A 15-year-old girl is being evaluated for primary amenorrhea. She is otherwise healthy and has no previous medical problems. Vital signs are within normal limits. Physical examination reveals normal breast development, normal pubic and axillary hair, and a blind vagina; the uterus and adnexae could not be appreciated. Pelvic ultrasonography reveals 2 ovaries and no uterus is seen. The karyotype is 46 XX. Which of the following is the most likely diagnosis?
. Mullerian agenesis
. Androgen insensitivity
. 5-alpha-reductase deficiency
. Imperforate hymen
. Turner's syndrome
107) A 15-year-old girl presents to a pediatric cardiology clinic with a complaint of chest pain. She states the pain has come and gone over the past year, but has increased in frequency over the past few weeks. She describes it as a sharp pain over her left chest. Physical examination reveals a healthy-appearing 15-year-old girl. Her temperature is 37.2 C (99 F), pulse is 90/min, and respiratory rate is 20/min. Lung examination is normal. Cardiac examination reveals a late systolic murmur preceded by a click at the apex. No heave or rub is present. An electrocardiogram and chest x-ray film are unremarkable. Which of the following is the most likely diagnosis?
. Atrial septal defect
. Mitral regurgitation
. Mitral stenosis
. Mitral valve prolapse
. Tricuspid regurgitation
108) A 15-year-old girl presents to the emergency department with the sudden onset of watery diarrhe a tinged with blood. The girl was previously healthy. Her only medications are topical benzoyl peroxide and oral clindamycin for acne vulgaris. Physical examination reveals a slightly distended abdomen that is diffusely tender. Her temperature is 38.1 C (100.5 F). She has not been exposed to any uncooked meat and has not eaten any unusual foods. Which of the following is the most likely diagnosis? . Gastroenteritis . Irritable bowel syndrome . Pseudomembranous enterocolitis . Salmonella infection 108) A 15-year-old girl presents to the emergency department with the sudden onset of watery diarrhea tinged with blood. The girl was previously healthy. Her only medications are topical benzoyl peroxide and oral clindamycin for acne vulgaris. Physical examination reveals a slightly distended abdomen that is diffusely tender. Her temperature is 38.1 C (100.5 F). She has not been exposed to any uncooked meat and has not eaten any unusual foods. Which of the following is the most likely diagnosis? . Gastroenteritis . Irritable bowel syndrome . Pseudomembranous enterocolitis . Salmonella infection108) A 15-year-old girl presents to the emergency department with the sudden onset of watery diarrhea tinged with blood. The girl was previously healthy. Her only medications are topical benzoyl peroxide and oral clindamycin for acne vulgaris. Physical examination reveals a slightly distended abdomen that is diffusely tender. Her temperature is 38.1 C (100.5 F). She has not been exposed to any uncooked meat and has not eaten any unusual foods. Which of the following is the most likely diagnosis? . Gastroenteritis . Irritable bowel syndrome . Pseudomembranous enterocolitis . Salmonella infection108) A 15-year-old girl presents to the emergency department with the sudden onset of watery diarrhea tinged with blood. The girl was previously healthy. Her only medications are topical benzoyl peroxide and oral clindamycin for acne vulgaris. Physical examination reveals a slightly distended abdomen that is diffusely tender. Her temperature is 38.1 C (100.5 F). She has not been exposed to any uncooked meat and has not eaten any unusual foods. Which of the following is the most likely diagnosis? . Gastroenteritis . Irritable bowel syndrome . Pseudomembranous enterocolitis . Salmonella infection108) A 15-year-old girl presents to the emergency department with the sudden onset of watery diarrhea tinged with blood. The girl was previously healthy. Her only medications are topical benzoyl peroxide and oral clindamycin for acne vulgaris. Physical examination reveals a slightly distended abdomen that is diffusely tender. Her temperature is 38.1 C (100.5 F). She has not been exposed to any uncooked meat and has not eaten any unusual foods. Which of the following is the most likely diagnosis? . Gastroenteritis . Irritable bowel syndrome . Pseudomembranous enterocolitis . Salmonella infection108) A 15-year-old girl presents to the emergency department with the sudden onset of watery diarrhea tinged with blood. The girl was previously healthy. Her only medications are topical benzoyl peroxide and oral clindamycin for acne vulgaris. Physical examination reveals a slightly distended abdomen that is diffusely tender. Her temperature is 38.1 C (100.5 F). She has not been exposed to any uncooked meat and has not eaten any unusual foods. Which of the following is the most likely diagnosis?
. Gastroenteritis
Irritable bowel syndrome
. Pseudomembranous enterocolitis
. Salmonella infection
. Ulcerative colitis
109) A 15-year-old girl presents with a 2-day history of pain and swelling in her left knee. She plays soccer regularly on her school team. There is no history of trauma. On physical examination, there is marked swelling and tenderness over her anterior tibial tuberosity. A radiograph of her left knee reveals irregularities of the tubercle contour and haziness of the adjacent metaphyseal border. Which of the following is the most likely explanation for her symptoms?
. Avascular necrosis of the hip
. Legg-Calve-Perthes disease
. Osgood-Schlatter disease
. Septic arthritis
. Slipped capital femoral epiphysis
110) A 15-year-old male comes to your office with a one-week history of fever, non-productive cough, sore throat and headaches. Today he noticed a skin rash. His temperature is 38.5°C (101.3°F), pulse is 90/min, blood pressure is 115/78 mm Hg and respirations are 16/min. His throat is hyperemic, but there is no cervical lymphadenopathy. Chest auscultation and percussion reveal no abnormalities. You note dusky red, target shaped skin lesions over all four extremities. Chest x-ray reveals interstitial infiltrates in the left lower lobe. Sputum gram stain reveals polymorphonuclear cells but no organisms. Which of the following organisms is most likely responsible for this presentation?
. Streptococcus pneumoniae
. Hemophilus influenzae
. Influenza virus
. Legionella pneumophila
. Mycoplasma pneumonia
111) A 15-year-old otherwise healthy female high school student begins to notice galactorrhea. A pregnancy test is negative. Which of the following is a frequently associated physical finding?
. Gonadal atrophy
. Bitemporal hemianopsia
. Exophthalmos and lid lag
. Episodic hypertension
. Buffalo hump
111) A 15-year-old otherwise healthy female high school student begins to notice galactorrhea. A pregnancy test is negative. Which of the following is a frequently associated physical finding?
. Gonadal atrophy
. Bitemporal hemianopsia
. Exophthalmos and lid lag
. Episodic hypertension
. Buffalo hump
Other
Please Specify:
112) A 16-month-old is taken to the emergency room after falling while learning to walk. The toddler has an enlarging, swollen bruise on his forehead, which is now over two inches across. The parents say that the bruise is noticeably larger than it was when they entered the emergency room an hour earlier. A blood sample is drawn, and the child oozes blood at the puncture site for 25 minutes. Clotting studies on the blood sample show a prolonged PTT and a normal PT. Follow-up studies show very low levels of factor VIII. Which of the following is the most likely diagnosis?
. Disseminated intravascular coagulation
. Hemophilia A
. Hemophilia B
. Hyperhomocysteinemia
. Von Willebrand disease
113) A 16-year old girl has recently been referred to your family practice. She is a recent immigrant from Southeast Asia, and has been taking isoniazid (INH) and rifampin for uncomplicated tuberculosis. Routine blood tests are unremarkable, except for an elevated direct bilirubin. Other liver enzymes and function tests are completely normal. Which of the following is the most likely diagnosis?
e
. Hemolytic anemia
. INH toxicity
. Crigler-Najjar syndrome type I
. Rifampin toxicity
. Rotor’s syndrom
114) A 16-year-old arrives to your office soon after beginning basketball season. He states that he has had progressive pain in his knees. A physical examination reveals, in addition to tenderness, a swollen and prominent tibial tubercle. Radiographs of the area are unremarkable. Which of the following is the most likely diagnosis?
Osgood-Schlatter disease
Popliteal cyst
Slipped capital femoral epiphysis
Legg-Calvé-Perthes disease
Gonococcal arthritis
120) A 16-year-old female presents to the emergency room with severe right- sided abdominal pain. Her last menstrual period was 2 weeks ago and felt to be normal. She displays painful difficulty in positioning herself on the examination table. Her temperature is 38.5 C (101.3 F), blood pressure is 128/75 mm Hg, pulse is 80/min, and respirations are 22/min. Examination of the throat reveals mild pharyngitis. Her abdomen is diffusely tender, especially the lower abdomen. Rectal examination reveals tenderness anteriorly on the right side. Stool guaiac is negative. A pelvic examination is performed, and there is evidence of cervical tenderness and questionable fullness in the right adnexal area. Which of the following is the most likely diagnosis?
. Ovarian cyst
. Pyelonephritis
. Pelvic inflammatory disease
. Constipation
. Endometriosis
123) A 16-year-old G0 female presents to your office for a routine annual gynecologic examination. She reports that she has previously been sexually active, but currently is not dating anyone. She has had three sexual partners in the past and says she diligently used condoms. She is a senior in high school and is doing well academically and has many friends. She lives at home with her parents and a younger sibling. She denies any family history of medical problems, but says her 80-year-old grandmother was recently diagnosed with breast cancer. She denies any other family history of cancer. She says she is healthy and has no history of medical problems or surgeries. She reports having had chicken pox. She smokes tobacco and drinks beer occasionally, but denies any illicit drug use. She had her first Pap smear and gynecologic examination last year with another doctor and reports that everything was normal. Her menses started at age 13 and are regular and light. She denies any dysmenorrhea. Her blood pressure is 90/60 mm Hg. Her height is 5ft 6 in and she weighs 130 lb. Based on this patient’s history, what would be the most likely cause of death if she were to die at age 16?
. Suicide
. Homicide
. Motor vehicle accidents
. Cancer
. Heart disease
124) A 16-year-old girl comes to the physician's office because she has not begun menstruating yet. Both her mother and an older sister started menstruation at age 12. She takes no medication and denies strenuous exercise or excessive dieting. Her height is at the 50fh percentile for age; her weight is at the 60fh percentile. Both her breast and pubic hair development are at Tanner stage 4. Pelvic ultrasonography reveals a normal uterus and ovaries. Which of the following is the most likely diagnosis?
Imperforate hymen
Physiologic pubertal delay
Prolactinoma
Testicular feminization syndrome
Turner syndrome
121) A 16-year-old female presents to the ER complaining of left lower quadrant abdominal pain that started suddenly 24 hours ago. The pain does not radiate and is 5/ 10 in severity. She denies having fevers, vomiting, dysuria, diarrhea or vaginal bleeding. Her last menstrual period was two weeks ago. She takes no medications. On physical examination, her temperature is 37.20C (98.9.F), blood pressure is 11 0/65 mmHg, pulse is 80/min and respirations are 14/min. There is mild left lower quadrant tenderness without rebound or rigidity, and the remainder of the examination is unremarkable. Which of the following is the most likely diagnosis?
. Ectopic pregnancy
. Leiomyoma
. Midcycle pain
. Acute appendicitis
. Pelvic inflammatory disease
122) A 16-year-old female presents to the ER complaining of left lower quadrant abdominal pain that started suddenly 24 hours ago. The pain does not radiate and is 5/10 in severity. She denies having fevers, vomiting, dysuria, diarrhea or vaginal bleeding. Her last menstrual period was two weeks ago. She takes no medications. On physical examination, her temperature is 37.2 C (98.9 F), blood pressure is 110/65 mmHg, pulse is 80/min and respirations are 14/min. There is mild left lower quadrant tenderness without rebound or rigidity, and the remainder of the examination is unremarkable. Which of the following is the most likely diagnosis?
. Ectopic pregnancy
. Leiomyoma
. Midcycle pain
. Ovarian torsion
. Ovarian hyperstimulation syndrome
115) A 16-year-old boy is brought to the office by his basketball coach because, "he is unable to work out with other boys." For the past several weeks, the boy has been complaining of left knee pain which is dull and worsens with running, especially on the court. In addition, he thinks he has lost some weight. He does not smoke or drink alcohol. He is sexually active with many partners, and does not use condoms. His vital signs are stable. On examination, his left knee is swollen and tender. X-ray reveals a sclerotic lesion in the distal femur with periosteum lifted and a "sun burst appearance”. What is the most likely diagnosis?
. Ewings sarcoma
. Growing pains
. Osteosarcoma
. Septic arthritis
. Giant cell tumor
116) A 16-year-old boy is persuaded by his older brother to accompany him and his friends on a beer-drinking binge. This is the first such experience for the boy, and it leads to the development of severe colicky left flank pain. When rescued by his parents, he is diaphoretic and doubled up in pain. He relates that he began to urinate frequently and profusely after the third or fourth beer and that the pain seized him shortly thereafter. He is tender to fist percussion over the left costovertebral angle but is afebrile. Which of the following is the most likely diagnosis?
Bladder calculi
Low implantation of one ureter
Ureteral stone
Ureteropelvic junction obstruction
Vesicoureteral reflux
117) A 16-year-old boy is recommended for admission to the neurology department for rapidly deteriorating clinical symptoms. He is a college student, living in a dormitory. During past week, he was sick. He did not recover fully and during last 3 days, his condition deteriorated. He started to have high fever, terrible headaches. His roommate said he talked about "some foolish happenings" during his high fever, and did not remember what he said later. This morning, he vomited repeatedly and his condition deteriorated rapidly. You examined him and found: febrile man in acute distress with cyanotic pallor, petechiae on his trunk and legs, purpura on his back bilaterally, with cold extremities. He is still alert, but has clammy skin, rapid pulse and labored respiration. His meningeal signs are positive. You diagnose this patient with meningococcal meningitis with systemic progression and you fear that he can develop the Waterhouse-Friderichsen syndrome. What characterizes this syndrome?
. Acute adrenal insufficiency
. Obstructive hydrocephalus
. Endocarditis and myocarditis
. Otitis media and sinusitis
. Brain abscess
118) A 16-year-old boy presents with a seven-month history of intermittent right knee pain and swelling. He states that his discomfort first began after a baseball injury. This injury was associated with pain, swelling, and restriction of movement in his right knee. He has had three subsequent episodes of pain and swelling in his right knee, not precipitated by trauma. The last episode occurred three days ago. He denies history of fevers or chills. There is no history of recent travel, other than a camping trip with his friends to Long Island, New York a few months ago. On physical examination, he has a marked effusion of his right knee and is unable to fully flex or extend his leg. X-ray reveals no bony abnormalities. What is the most probable diagnosis?
. Rheumatoid arthritis
. Septic arthritis
. Lyme arthritis
. Reactive arthritis
. Osteomyelitis
119) A 16-year-old female comes to the physician because of an increased vaginal discharge. She developed this symptom 2 days ago. She also complains of dysuria. She is sexually active with one partner and uses condoms intermittently. Examination reveals some erythema of the cervix but is otherwise unremarkable. A urine culture is sent which comes back negative. Sexually transmitted disease testing is performed and the patient is found to have gonorrhea. While treating this patient's gonorrhea infection, treatment must also be given for which of the following?
. Bacterial vaginosis
. Chlamydia
. Herpes
. Syphilis
. Trichomoniasis
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