Are You Ready To Take The Ultimate Medical And Health Quiz?

17 Questions | Total Attempts: 136

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Are You Ready To Take The Ultimate Medical And Health Quiz?

Questions and Answers
  • 1. 
    To test the endurance of an athlete, you had her run the equivalent of a marathon (42 km) on a treadmill wearing an ergospirometer mask. At the end of the exercise, she is consuming 150 L/min of air (assume that 20% of air oxygen is consumed) and producing 4.2 L/min of carbon dioxide. What substance is she burning?
    • A. 

      Fat

    • B. 

      Glucose

    • C. 

      Glycogen

    • D. 

      Galactose

    • E. 

      Protein

  • 2. 
    Using the following table, how much energy is our runner consuming (kJ/min)?
    • A. 

      -96.6

    • B. 

      -84.0

    • C. 

      -71.4

    • D. 

      -117.6

    • E. 

      -126.0

  • 3. 
    A 92-year-old retired male with a long history of benign prostatic hyperplasia (BPH) presents to your clinic for consultation. He takes finasteride each day which was prescribed by his urologist, a multivitamin, and a Chinese herbal remedy advertised for “prostate health” that he got from a fellow in his mobile home park. When evaluating the ingredients in the Chinese herbal remedy, which of the following herbals used for BPH interacts with finasteride?
    • A. 

      Saw palmetto

    • B. 

      Licorice as DGL extract

    • C. 

      Cranberry

    • D. 

      Horse chestnut seed extract

    • E. 

      Aloe vera

  • 4. 
    A child recently arrived from a war-torn African country presents with an itchy head which has unusual crusts on it. You order the proper cultures and find that, as you suspected, this was  Trichophyton schoenleinii. Which of the following best describes this agent?
    • A. 

      A dermatophyte which is zoonotic and causes transient hair loss

    • B. 

      A geophilic dermatophyte of no major concern

    • C. 

      A multimorphic yeast causing hair loss

    • D. 

      A filamentous fungus causing permanent hair loss

    • E. 

      A monomorphic yeast causing keloid formation

  • 5. 
    A 17-year-old male presents with an erythematous, slightly tender and itchy, groin region. You do a KOH scrapping of the margins; after the gentle heating and 10 minute wait, you examine the slide microscopically. From the clinical presentation, what are you most likely to see in the microscope?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 6. 
    A 28-year-old sexually active man presents to the emergency department complaining of pain and swelling in his left knee. A Gram stain of the joint aspirate fluid shows many neutrophils and intracellularly-located Gram-negative diplococci. Further questioning reveals that he has previously had 3 episodes of disseminated gonococcal infection. He is frustrated as to why he continues to get this type of infection. Which of the following risk factors would most likely predispose him to developing these recurrent infections?
    • A. 

      A chemotactic defect in neutrophils

    • B. 

      Absent lymphocyte adenosine deaminase activity

    • C. 

      Myeloperoxidase deficiency

    • D. 

      Selective IgA deficiency

    • E. 

      Deficiency of a terminal complement component

  • 7. 
    A 35-year-old man, who works for a laboratory involved in processing suspected bioterrorism samples, cut a small bump on his right jaw while shaving. It bled briefly and then became itchy and irritated. The next day he assisted a co-worker in moving samples from a biological safety cabinet to a freezer. The co-worker transferred the isolates from agar plates to the vials. Without wearing gloves, the patient took the vials from the co-worker and placed them in the freezer. During the next several days, his facial wound increased in size and developed a black, necrotic scab surrounded by redness and significant edema. He developed right cervical lymphadenopathy, a low-grade fever, and swelling and erythema of his right cheek that spread down his neck. Which of the following images most accurately represents the Gram stain morphology of the most likely causative agent?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 8. 
    The biopsy shown in the image was taken from a patient with a pruritic skin rash. What is the most likely microscopic change shown in the image?
    • A. 

      Parakeratosis

    • B. 

      Spongiosus

    • C. 

      Acanthosis

    • D. 

      Hyperkeratosis

    • E. 

      Hypergranulosis

  • 9. 
    Which of the following microscopic findings is seen in this skin biopsy?
    • A. 

      Scales

    • B. 

      Dykeratosis

    • C. 

      Hypergranulosis

    • D. 

      Epidermal hyperplasia

    • E. 

      Pautrier’s abscess

  • 10. 
    Postmortem examination of a stillborn reveals microcephaly, hepatosplenomegaly, pneumonia, and widespread petechiae. The microscopic appearance of the placenta is shown for your evaluation below. Which of the following is the most likely diagnosis?
    • A. 

      Transplacental sepsis caused by Toxoplasma gondii

    • B. 

      Transplacental sepsis caused group B Streptococcus

    • C. 

      Transvaginal sepsis caused by Escherichia coli

    • D. 

      Transplacental CMV infection

    • E. 

      Transplacental HSV infection

  • 11. 
    An 11-month-old female infant is admitted to the pediatric ward for evaluation of repetitive bouts of viral and fungal infections. Physical examination is remarkable only for a cleft palate. A complete blood reveals a low total lymphocyte count. A lymph node biopsy is remarkable for paracortical cell depletion but is otherwise normal. Immunoglobulin levels are normal. Which of the following is the most likely diagnosis?
    • A. 

      Down syndrome

    • B. 

      Velocardiofacial syndrome

    • C. 

      Hurler syndrome

    • D. 

      Hunter syndrome

    • E. 

      Gaucher disease

  • 12. 
    Which of the following disorders accompanies port wine stain in Sturge-Weber syndrome?
    • A. 

      Cavernous hemangiomas in visceral organs

    • B. 

      Renal cell carcinoma

    • C. 

      Capillary hemangioma on the neck

    • D. 

      Leptomeningeal angiomas

    • E. 

      Meningioma

  • 13. 
    A 45-year-old woman complains to her general practitioner of burning and stabbing pains in her back consistent with the T6 and T7 dermatomes that have been occurring for the past 2 months. The patient recently recovered from an acute outbreak of VZV within those body regions. The patient is prescribed a topical agent to help relieve her pain. What is the function of the most likely drug prescribed for this patient?
    • A. 

      Agonist of RARs

    • B. 

      Photoactive chemical in the skin

    • C. 

      Inhibitor of LFA1

    • D. 

      Antagonist of PABA and folic acid synthesis

    • E. 

      Agonist of VR1

  • 14. 
    A 39-year-old woman is seeking a nonsurgical pregnancy termination 37 days after the start of her last menstrual period. She is not in robust health and does not wish to become a parent. She suffers from systemic lupus erythematosus for which she takes immunomodulating drugs and prednisone. Which of the following drugs is most suitable for initiating the pregnancy termination in this patient?
    • A. 

      Mifepristone

    • B. 

      Methotrexate

    • C. 

      Misoprostol

    • D. 

      Dinoprostone

    • E. 

      Indomethacin

  • 15. 
    During which phase of parturition and stage of labor is the placenta delivered?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

    • E. 

      5

  • 16. 
    Which hormone of pregnancy steadily rises throughout pregnancy, only to fall sharply immediately prior to its conclusion?
    • A. 

      Fetal insulin

    • B. 

      Progesterone

    • C. 

      Estriol

    • D. 

      Human chorionic somatomammotropin

    • E. 

      Luteinizing hormone

  • 17. 
    A 9-year-old female has just entered puberty (Tanner stage 1). What neurotransmitter or hormone that stimulates GnRH secretion has increased activity/effects in this girl compared to her pre-pubertal state?
    • A. 

      Neuropeptide Y

    • B. 

      Gamma-amino butyric acid

    • C. 

      Melatonin

    • D. 

      Endorphins

    • E. 

      Leptin