Malaria
A patient develops malaria after being bitten by which mosquito?
Female Anopheles
Which parasite most commonly causes greasy, foul-smelling diarrhoea after drinking untreated water?
A. Giardia lamblia
B. Entamoeba histolytica
C. Cryptosporidium
D. Schistosoma
Giardia lamblia
The muscles of mastication are derived from which pharyngeal arch?
First
Can you name Eve's favourite ice cream flavour for one point
Eve is this correct?
A disease where red blood cells become crescent-shaped, especially during low oxygen levels.
Sickle cell disease
A blood smear demonstrates enlarged RBCs containing a single thick ring form. Months after treatment the patient develops another episode without new exposure. Which species is most likely?
P. vivax
Swimming in freshwater lakes in Africa is the greatest risk factor for infection with:
A. Taenia solium
B. Schistosoma haematobium
C. Giardia lamblia
D. Strongyloides
Schistosoma haematobium
Which cranial nerve supplies derivatives of the second pharyngeal arch?
CN VII
What is the rate-limiting enzyme in Heme synthesis called?
ALA synthase
Low levels of this mineral cause a microcytic, hypochromic anemia and are often due to poor diet or blood loss.
Iron deficiency
What is the gold standard for Malaria testing, and what is the purpose of each aspect?
Thick (screening) and thin (species differentiation) smear
A child develops profuse watery diarrhoea one week after visiting a petting zoo. Stool acid-fast stain is positive.
Which organism is responsible?
A. Giardia
B. Cryptosporidium
C. Cyclospora
D. Entamoeba
Cryptosporidium
The stylopharyngeus muscle is the only muscle derived from which pharyngeal arch?
Third
What is a quantitative change in globin chains called?
Thalassaemia
Lack of this vitamin causes megaloblastic anemia and can lead to nerve problems.
Vitamin B12
A patient with P. vivax malaria receives artemether-lumefantrine. Which additional drug is required to prevent relapse?
A. Chloroquine
B. Quinine
C. Primaquine
D. Doxycycline
Primaquine
A patient from India presents with fever, RUQ pain and a liver abscess. Initial treatment with metronidazole resolves symptoms.
Which additional therapy is required?
A. Praziquantel
B. Diloxanide furoate (or paromomycin)
C. Albendazole
D. Nitazoxanide
Diloxanide furoate (or paromomycin)
A thyroid surgery results in injury to the superior laryngeal nerve. Which embryologic structure gave rise to the affected muscle?
Fourth pharyngeal arch
What is the heme protein that catalyses the conversion of arachidonic acid to prostaglandin?
Cyclooxygenase
In this type of anemia, red blood cells are destroyed faster than they can be made.
Hemolytic anemia
A traveller returns from Malaysia with daily fevers and thrombocytopenia. Blood smear confirms malaria. Which organism should be suspected?
A. P. malariae
B. P. vivax
C. P. knowlesi
D. P. ovale
P. knowlesi
A newborn has mandibular hypoplasia, malformed malleus and incus, and paralysis of the muscles of mastication.
Failure of development of which embryologic structure best explains all of these findings?
First pharyngeal arch
Someone has progressively deforming lips, ears and nose
Reddish/ brown teeth that fluoresce in UV
Weakness in wrists and fingers
Hypertichosis
Lowered lvls of heme
Photosensitivity
etc.. what might they have?
Porphyria
This lab value is low in anemia and reflects the number of red blood cells or their oxygen-carrying capacity.
Hemoglobin